BIOLOGY
THEORY
(Series A)
Time Allowed: 3 hour
March, 2014
Maximum Marks:60
Candidates are required to answer the questions in their own words as far as practicable .
Marks allotted to each question are indicated against it.
Special Instructions:
i.
ii.
iii.
iv.
v.
vi.
vii.
viii.
ix.
x.
xi.
xii.
You must write Question Paper Series in circle at top left side of title page of your Answer
book
While answering your question, you must indicate on your Answer book the same question
No. as appears in your Question Paper
Do not leave blank page/pages in your Answer-book
All question are compulsory and are divided into four sections.
Answer should be to the point
Question Nos. 1 to 5 (Section A) are of one mark each and are MCQ
Question N os. 6 to 15 (Section B) are of 1.5 marks each. Answer each of them in about 30
to 40 words
Question N os. 16 to 23 (Section C) are of 2.5 marks each. Answer each of them in about 30
to 80 words
Question N os. 24 to 25 (Section C) are of 3marks each. Answer each of them in about 30
to 120 words
Question N os. 26 (Section D) is of 4 marks. Anser in about 140 words. are of 3marks each.
Answer each of them in about 30 to 120 words
Question Nos. 27 and 28 are of 5 marks each. Answer them in about 150-170 words
Draw Diagram wherever necessary.
Section-A
Q.1. Filiform Apparatus is found in
a)
b)
c)
d)
Antipodals
Synergids
Egg
Central Cell
(1)
Q.2. Newly transcribed RNA is called
a) Primary transcribed
b) hnRNA
c) Pollypeptide
d) Primer
Q.3 L.S.D. is obtained from
a) Cannabis
b) Bacteria
c) Fungus
d) Virus
Q.4 Model conducted experiment on plant
a) Rose
b) Mirabilis
c) Brinjal
d) Pea
Q.5 The concept of 10% law was given by
a) Lindeman
b) Weisman
c) Stanley
d) Tranley
(1)
(1)
(1)
(1)
Section-B
Q. 6 Expand the following terms: HIV, AIH, STD
or
Write a short note on tubectomy
Q. 7 Is the following cross possible? If not, then why ?
Xhy h Xh Xh
Q.8 Give three differences between Prokaryotic and Eukaryotic DNA
Or
Draw a labeled diagram of clover leaf structure of tRNA
Q.9 Define the following terms
a) Diurnal Animals b)Hibernation c)Halophyte
Q.10. Define Atavism. Give one suitable example.
Or
(1.5)
(1.5)
(1.5)
(1.5)
Give three Avian features of Archaeopteryx
Q. 11 Draw a well labeled diagram of Pollen Grain.
Q.12 Differentiate Antibodies and Antigens
Q. 13 Define the following terms:
a) Callus
b) Apiculture
c) Biofortification
(1.5)
(1.5)
(1.5)
(1.5)
Q.14 Differentiate between Autotrophs and Heterotrophs
Q.15 a) what are nonoclonal antibodies b) Define Biotechnology
(1.5)
(1.5)
Section C
Q.16 What are various method of Artificial vegetative propagation ?
Q.17 Describe various factors of Darwin’s theory
Q.18
a) what are Tranquillizers? Give one example
b) Enlist various drugs obtained from opium
Q.19 Define ecosystem: Draw upright pyramid of biomass
Or
What is air pollution ? How it affects man?
(2.5)
(2.5)
(2.5)
Q.20 What are transgenic animals? What is their importance
(2.5)
(2.5)
Q.21 What are Lethal Genes? Describe its two types
Or
Differentiate between complete and incomplete linkage
Q.22
a) Draw a well lebelled diagram of Grafffian follicle of ovary.
b) Define Implantation
Q.23 a) Write a short note on Biomagnifications b) Expand CFC
Q.24 Describe the process of Recombinant DNA technoloty
(1, 1.5)
(1, 1.5)
(3)
Q.25 What are Sanctuaries? Give example in India
(3)
(2.5)
Section D
Q.26 What are fossils? How these are formed? Suggest the method of their age determination.
Or
Describe the Repressible system.
(4)
Q. 27 a) write a short note on Single Cell Protein (SCP)
b)Give the name of causative agent, symptoms and preventive measures of Ascariasis
Q.28 The function of RNA Primer is:i) to join the DNA fragment ii) to start DNA replication
iii)to halt DNA relication
iv) to cleave DNA
(2.5,2.5)
BIOLOGY
THEORY
(Series B)
Time Allowed: 3 hour
March, 2014
Maximum Marks:60
Candidates are required to answer the questions in their own words as far as practicable .
Marks allotted to each question are indicated against it.
Special Instructions:
xiii.
xiv.
xv.
xvi.
xvii.
xviii.
xix.
xx.
xxi.
xxii.
xxiii.
xxiv.
You must write Question Paper Series in circle at top left side of title page of your Answer
book
While answering your question, you must indicate on your Answer book the same question
No. as appears in your Question Paper
Do not leave blank page/pages in your Answer-book
All question are compulsory and are divided into four sections.
Answer should be to the point
Question Nos. 1 to 5 (Section A) are of one mark each and are MCQ
Question Nos. 6 to 15 (Section B) are of 1.5 marks each. Answer each of them in about 30
to 40 words
Question Nos. 16 to 23 (Section C) are of 2.5 marks each. Answer each of them in about 30
to 80 words
Question Nos. 24 to 25 (Section C) are of 3marks each. Answer each of them in about 30 to
120 words
Question Nos. 26 (Section D) is of 4 marks. Answer in about 140 words. are of 3marks each.
Answer each of them in about 30 to 120 words
Question Nos. 27 and 28 are of 5 marks each. Answer them in about 150-170 words
Draw Diagram wherever necessary.
Time Allowed :3 Hours
Maximum Marks 60
Section-A
Q.1. Polar Nuclei are suspended in
a) Egg
b) Central Cell
c) Suspensor
d) Nucellus
Q.2. Transcription start from
(1)
(1)
a)
b)
c)
d)
Terminator region
Ori (origin of replication)
Promoter region
None of these
Q.3. Unripe fruits of poppy plant when given cuts yield
a) Opium
b) LSD
c) Cocaine
d) MDMA
Q.4 Any two forms of a gene is called
a) Pseudogenes
b) Gene locus
c) Allele
d) Phenotype
Q.5 what is the %age of energy transfer from one trophic level to another
a) 20%
b) 100%
c) 85%
d) 10%
(1)
(1)
(1)
Section-B
Q.6 Expand the following terms: WHO, ZIFT,MTF
(1.5)
Or
Write a short note on Vasectomy
Q.7 What will be the phenotype of F1 generation when a Haemophiliac man (X4Y) marries a
normal woman(XX) ?
(1.5)
Q.8 Write a short note on Okazaki fragments.
Or
Enlist three types of RNAs
Q.N.9 Define the following terms:
a) Epiphyte
b)Benthos
C) Aestivation
Q.10 What is molecular homology? Cite on example
Or
What are homologous organs? Give at least two examples.
Q.11 Write a short note on Egg Apparatus
(1.5)
(1.5)
Q.12 Differentiate between Active and Passive immunity.
Q.13 Define the following terms:
a) Emasculation
b) Pisciculture C) Heterosis
Q.14 Differentiate between Predator and Parasite
Q.15 What is the function of Restriction endonuclease?
(1.5)
(1.5)
(1.5)
Section-C
Q.16 Describe the process of Spermatogenesis.
(2.5)
Q.17 Describe the various factors of Lamarck’s theory.
(2.5)
Q.18 a) Use of drugs is social stigma. Justify
b) Give the botanical name of plant that yield cocaine and suggest its family (1.5,1)
Q.19 Define food web. Draw the pyramid of energy.
Or
Define soil pollution. How it effects plants ?
Q.20 What is Biopiracy? What biological resources are facing biopiracy?
(2.5)
Q.21 Describe Mendel’s law segregation.
Or
Why Mendel selected pea plant for genetic research?
Q.22 a) Draw a well labelled diagram of Human ovum.
b) What are identical twins ?
(2.5)
(1.5,1)
Q.23 a) Differentiate between Primary and Secondary pollutants.
b) Expand PAN
(1.5,1)
Q.24 Prove that DNA mode of replication is semiconservative type.
(3)
Q.25 What is Biosphere Reserve? Give example in India
(3)
Section -D
Q.26 Define Recapitulation theory. Who proposed it ?
Explain the theory by citing one example from animals and one form plants
Or
Describe Griffith experiment to prove DNA as genetic material
(4)
Q.27 a) How antibiotics kill the micro-organisms ?
b) Give the name of causative organism, symptoms and preventive measures of typhoid (2.5, 2.5)
Q.28 a) The shape of replication fork is
i) B-shaped ii)Z-shaped
iii) Y-shaped
b) How endosperm is formed? What is it role?
c) What are transgenic plant? Give two examples
Iv) A-shaped
(1,2,2)
BIOLOGY
THEORY
(Series C)
Time Allowed: 3 hour
March, 2014
Maximum Marks:60
Candidates are required to answer the questions in their own words as far as practicable .
Marks allotted to each question are indicated against it.
Special Instructions:
xxv.
xxvi.
xxvii.
xxviii.
xxix.
xxx.
xxxi.
xxxii.
xxxiii.
xxxiv.
xxxv.
xxxvi.
You must write Question Paper Series in circle at top left side of title page of your Answer
book
While answering your question, you must indicate on your Answer book the same question
No. as appears in your Question Paper
Do not leave blank page/pages in your Answer-book
All question are compulsory and are divided into four sections.
Answer should be to the point
Question Nos. 1 to 5 (Section A) are of one mark each and are MCQ
Question N os. 6 to 15 (Section B) are of 1.5 marks each. Answer each of them in about 30
to 40 words
Question N os. 16 to 23 (Section C) are of 2.5 marks each. Answer each of them in about 30
to 80 words
Question N os. 24 to 25 (Section C) are of 3marks each. Answer each of them in about 30
to 120 words
Question N os. 26 (Section D) is of 4 marks. Anser in about 140 words. are of 3marks each.
Answer each of them in about 30 to 120 words
Question Nos. 27 and 28 are of 5 marks each. Answer them in about 150-170 words
Draw Diagram wherever necessary.
Time Allowed :3 Hours
Maximum Marks 60
Section-A
Q.1. Egg apparatus is situated toward
a) Micropylar end
b) Outside the Nucellus
c) Lateral side of embryo sac
(1)
d) Chalazal end
Q.2. The DNA strand that transcribes RNA
a) Non-coding strand
b) Sense strand
c) Cistron
d) Antisense strand
Q.3. Nicotine is tobacco plant is synthesized in
a) Stem
b) Flower
c) Leaves
d) Roots
(1)
(1)
Q.4 Number of characters selected/considered by Mendel in pea plant
a) 7
b) 12
c) 8
d) 14
Q.5 Niche of a species is
a)
b)
c)
d)
(1)
(1)
Specific function
Living in burrow
Habitat and specific function
None of these
Section-B
Q.6 Expand the following terms: STD,AIDS, NACO
Or
Enlist any three methods of birth control
Q.7 Why Haemophilia occurs only in males only ?
Q.8 Give at least three function of DNA
Or
(1.5)
(1.5)
During origin of life what came first RNA or DNA and why ?
Q.9 Define the following terms:
a) Nocturnal b) Mimicry c) Amensalism
Q.10 What is genetic drift ?
or
Give three Reptilian characters of Archaeopteryx.
Q.11 Describe in brief Double fertilization in plants.
Q.12 Differentiate between Interferons and Antibodies
Q.13 Define the following terms:
a) Hybridisation
b)Polyploidy
C)Gene bank
Q.14 Differentiate between Natality rate and Mortality rate
Q.15
a) what are hybridoma cells ?
b) Define Biopiracy
Section C
Q.16 Describe the process of Oogenesis ?
Q.17 Write various factors of Modern concept of Evolution
Q.18
a) How drug addiction begins?
b) Give the botanical name of the plant that yields opium. Suggest its family.
Q.19 Define the food chain. Draw upright pyramid of number
Or
What is noise pollution? How it affects man ?
Q.20 What are the advantages of transgenic plants ?
(1.5)
(1.5)
(1.5)
(1.5)
(1.5)
(1.5)
(1,0.5)
(2.5)
(2.5)
(1.5,1)
(2.5)
(2.5)
Q.21 Give the genotypic and phenotypic ratios, when a red eyed female drosophila (Xr Xt ) is
crossed with white eyed male drosophila (X T Y)
Or
What is incomplete dominance ? Explain with citing an example.
(2.5)
Q.22 a) Write a short note on Eutrophication
b) Expand the BOD
(1.5,1)
Q.23 a) Draw a well labeled diagram of Mammalian sperm
b) Define fertilization
(1.5,1)
Q.24 Define Genetic Code. What are its characteristics?
(3)
Q.25 What are National Parks? Give example in India
(3)
Section C
Q.26 a)Define Palaceobotany. Name the famous Indian Palaeobotanist who founded
Palaeobotabny Institute in India
b) Why fossils or earlier era are simpler?
or
Describe Inducible System
(2,2)
(4)
Q.27 a) What are the properties of good antibiotics ?
b) Give the name of causative organism, symptoms and preventive measures of Amoebic
dysentery
(2.5, 2.5)
Q.28 a) The enzymes that rectify the mismatched bases :
a)Primase
b)Gyrases
c)Topoisomerases
d) DNA Polymerase-I
(1, 2 ,2)
BIOLOGY
THEORY
(Series A)
Time Allowed: 3 hour
March, 2013
Maximum Marks:60
Candidates are required to answer the questions in their own words as far as practicable .
Marks allotted to each question are indicated against it.
Special Instructions:
xxxvii.
xxxviii.
xxxix.
xl.
xli.
xlii.
xliii.
xliv.
xlv.
xlvi.
xlvii.
xlviii.
You must write Question Paper Series in circle at top left side of title page of your Answer
book
While answering your question, you must indicate on your Answer book the same question
No. as appears in your Question Paper
Do not leave blank page/pages in your Answer-book
All question are compulsory and are divided into four sections.
Answer should be to the point
Question Nos. 1 to 5 (Section A) are of one mark each and are MCQ
Question Nos.6 to 15 (Section B) are of 1.5 marks each. Answer each of them in about 30
to 40 words
Question Nos.16 to 23 (Section C) are of 2.5 marks each. Answer each of them in about 30
to 80 words
Question Nos.24 to 25 (Section C) are of 3marks each. Answer each of them in about 30 to
120 words
Question Nos.26 (Section D) is of 4 marks. Answer in about 140 words. are of 3marks each.
Answer each of them in about 30 to 120 words
Question Nos. 27 and 28 are of 5 marks each. Answer them in about 150-170 words
Draw Diagram wherever necessary.
Time Allowed :3 Hours
Maximum Marks 60
Section-A
Q.1. Syngamy means ?
a) Fusion of Gametes
b) Fusion of similar spores
c) Fusion of dissimilar spores
(1)
d) Fusion of cytoplasm
Q.2. DNA elements with ability to change position is
a) Cistron
b) Introns
c) Recon
d) Transposons
Q.3. Vaccination against smallpox was developed by
a) Robert Koch
b) Edward Jenner
c) Louis Pasteur
d) Alexander Fleming
Q.4. Bt-cotton is resistant to
a) Insects
b) Herbicides
c) Salt
d) Draught
Q.5. Maximum water holding capacity is possessed by
a) Sandy Soil
b) Clayey soil
c) Loamy Soil
d) None of these
(1)
(1)
(1)
(1)
Section-B
Q.6 List three characteristics of cleavage
Or
What is the difference between Morula and Blastula ?
Q.7 What are Coacervates? List its two life like properties
Q.8 Write three objectives of plant breeding ?
Or
What are the advantages of high-yielding varieties of crop-plants ?
Q.9 Define the following terms ?
a) Ecological Niche b) Parasitism c) Diurnal animals
Q.10 Define crossing-over. In which stage of cell division it takes plase?
Or
Discuss the mechanism of sex-determination in honey bee.
Q.11 Write short note on test-tube baby technique
(1.5)
(1.5)
(1.5)
(1.5)
(1.5)
(1.5)
Q.12 What are Biopesticides? Mention their two advantages
Q.13 Differentiate between Benign Tumour and Malignant Tumour
Q.14 Explain the phenomenon Stratification in tropical forest ecosystem
Q.15 Write short note on Flavr-Savr tomato.
Section - C
Q.16 What is the difference between Asexual and Sexual reproduction
Q.17 What is DNA finger printing ? Give its four application
Q.18 Write the pathogen, symptoms and control of Filariasis
Q.19 List fine methods to control Air pollution
Or
Write five main characteristics of Tundra Biome.
Q.20 What are the Shuttle-vectors ?
Q.21 Explain the inheritance pattern of Haemophilia
Or
State the inheritance pattern of Haemophilia
(1.5)
(1.5)
(1.5)
(1.5)
(2.5)
(2.5)
(2.5)
(2.5)
(2.5)
(2.5)
Q.22 a) Draw well labelled diagram of human ovum
(1.5,1)
b) Write two function of ovary
Q.23 Enlist various adaptations in plants for thermal regulation
(2.5)
Q.24 Discuss the various steps in the life cycle of Lysogenic Bacteria
(3)
Q.25 What is the importance of sacred forest and sacred lakes? Give one example of each
(2,1)
Section –D
Q.26 What are the main postulates of Neo-Darwinism
Or
Explain the various types of morphological modification of chromosomes
(4)
Q.27 a) Define Antibiotics, Give four properties of antibiotics for medicinal use
b)Write brief account of genetically engineered Insulin
(2.5, 2.5)
Q.28 a) Transcription involves
i) Protein synthesis over ribosomes ii) Removal of worn out organelles iii)
Synthesis of RNA over DNA. Iv) Synthesis of DNA over DNA
b) Draw well labeled diagram of L.S. monocot seed
c) Write short note on rDNA
(1,2,3)
BIOLOGY
THEORY
(Series B)
Time Allowed: 3 hour
March, 2013
Maximum Marks:60
Candidates are required to answer the questions in their own words as far as practicable .
Marks allotted to each question are indicated against it.
Special Instructions:
xlix.
l.
li.
lii.
liii.
liv.
lv.
lvi.
lvii.
lviii.
lix.
lx.
You must write Question Paper Series in circle at top left side of title page of your Answer
book
While answering your question, you must indicate on your Answer book the same question
No. as appears in your Question Paper
Do not leave blank page/pages in your Answer-book
All question are compulsory and are divided into four sections.
Answer should be to the point
Question Nos. 1 to 5 (Section A) are of one mark each and are MCQ
Question N os. 6 to 15 (Section B) are of 1.5 marks each. Answer each of them in about 30
to 40 words
Question N os. 16 to 23 (Section C) are of 2.5 marks each. Answer each of them in about 30
to 80 words
Question N os. 24 to 25 (Section C) are of 3marks each. Answer each of them in about 30
to 120 words
Question N os. 26 (Section D) is of 4 marks. Anser in about 140 words. are of 3marks each.
Answer each of them in about 30 to 120 words
Question Nos. 27 and 28 are of 5 marks each. Answer them in about 150-170 words
Draw Diagram wherever necessary.
Time Allowed :3 Hours
Section A
Q.1. Borphyllum can be propagated by
a) Stem
b) Root
c) Leaf
Maximum Marks 60
(1)
d) Flower
Q.2. Removal of introns in a transcription unit is (
a) Transformation
b) Splicing
c) Tailing
d) Capping
Q.3. LSD is
a) Narcotic
b) Stimulant
c) Antidepressant
d) Hallucinogen
Q.4. The PCR technique was developed by
a) Karry Mullis
b) Kohen
c) Boyer
d) Sanger
Q.5. Which of the following is an abiotic component of an ecosystem ?
a) Bacteria
b) Humus
c) Plants
d) Fungi
Section B
Q.6 What is the significance of Fertilization ?
Or
What is the difference between Blastulation and Gastrulation ?
(1)
(1)
(1)
(1)
(1.5)
Q.7 Define Vestigeal organs. Give two example.
(1.5)
Q.8 Write the advantages of bee-keeping.
Or
Differentiate between Milch breed and Draught breeds of cattle
(1.5)
Q.9 Define the following terms:
a) Microhabitat
b) Symbiosis
c) Sciopphytes
Q.10 Define linkage. How many linkage groups are there in Drosophila?
Or
(1.5)
(1.5)
Discuss the mechanism of sec-determination in human beings
Q.11 Give three methods of Birth Control
(1.5)
Q.12 What are Biofertilizers ? Write their two advantages
Q.13 Differentiate between B and T-lymphocytes.
Q.14 Explain 10% law of energy flow.
Q.15 How is ‘Rose’ considered different from a normal cow?
(1.5)
(1.5)
(1.5)
(1.5)
Section -C
Q.16 Differentiate between binary fission and multiple fission
(2.5)
Q.17 Briefly explain the following terms:
(2.5)
a) Genetic Polymorphism
b) Transcription
c) Translation
Q.18 Wright the pathogen, symptoms and control of Typhoid
(2.5)
Q.19 What are the effects of Noise pollution on human health?
(2.5)
Or
Write five main characteristics of Tropical rain forest biome
Q.20 What is a Plasmid ? What is the role of ‘Ori’ geneand ‘Selectable marker’ gene on a
plasmid.
(2.5)
Q.21 What is a Pleotropic gene? Explain with suitable example
Or
State and explain Mendel’s law of Segregation
Q.22 a) Draw a well labeled diagram of Mammalian sperm.
b) Write two functions of testis
Q.23 Illustrate the examples of behavioural adaptations in animals.
Q.24 What is the Retrovirus? Explain their life-cycle.
Q.25 Write short note on Hot-Spots of Biodiversity.
Section –D
Q.26 What are the main postulates of De Vries mutation theory ?
Or
Define Crossing-over . explain the mechanism of crossing over.
Q.27 a) Define biogas. What are the advantages of biogas ?
b) Explain the procedure of ELISA technique
(2.5)
(1.5,1)
(2.5)
(3)
(3)
(4)
(2.5,2.5)
Q.28
a) Okazaki fragments give rise to
(1)
i) Master Strand ii) Sense Strand iii)Lagging strand iv) Leading strand
b) Draw well labeled diagram of L.S. of Ovule
c) Explain the Gene-Gun method of DNA introduction into the host cell
(1,2,2)
BIOLOGY
Series C
Time Allowed : 3 Hours
March, 2013
Maximum Marks 60
Section –A
Q.1. Development of Fruit without fertilization is called
a) Cell division
b) Cell culture
c) Parthenocarpy
d) Parthenogenesis
Q.2. Nucleosome contain:
a) Cell division
b) Cell culture
c) Parthenocarpy
d) Parthenogenesis
Q.3. Ringworm in human is caused by:
a) Bacteria
b) fungi
c) Nematode
d) Virus
Q.4. Ti plasmid used for making transgenic plants is found in:
a) Rhizobium
b) Agrobacterium
c) Yeast
d) Agrobacter
Q.5. The term Ecosystem was given :a) Odum
b) Hacckel
c) Tansley
d) Reiter
Section B
Q.6 List three functions of placenta.
Or
Give difference between Spermatogenesis and Oogenesis
Q.7 How did DDT become ineffective against mosquitoes ?
(1)
(1)
(1)
(1)
(1)
(1.5)
(1.5)
Q.8 Discuss the advantages of SCP (Single Cell Protein)
Q.9 Define the following terms:
a) Habitat
b) Mimicry
(1.5)
(1.5)
c) Heliophytes
Q.10 Define Karyotyping. How many groups are found in human karyotype ?
Or
Discuss the mechanism of sex determination in Drosophilla
(1.5)
Q.11 Explain briefly Amniocentesis.
(1.5)
Q.12 What are Biofertilisers ? Give two example of biofertilizers along with one use of each (1.5)
Q.13 Differentiate between Antibodies and Interferons.
(1.5)
Q.14 What is decomposition ? What is its significance ?
Q.15 Write short note on Golden rice.
(1.5)
Section C
Q.16 Differentiate between binary fission and budding.
(2.5)
Q.17 Why human genome project is called a megaproject ?
Q.18 Write the pathogen, symptoms and control of Malaria
Q.19 What are the ill-effects of Biomagnifications ?
Or
Write fine main characteristics of desert biome
(2.5)
(2.5)
(2.5)
Q.20 What are restriction endonucleases? Give one example
(2.5)
Q.21 Explain the inheritance pattern of ABO blood group in human beings
(2.5)
Or
Explain the phenomenon of Incomplete Dominance with suitable example
Q.22 a) Draw a well labeled diagram of L.S. of human ovary
(2, 0.5)
b)Give one function of Corpus Luteum
Q.23 List few adaptations of desert plants and animals.
(2.5)
Q.24 Explain various steps in life cycle of virulent phage (Lytic-Cycle)
Q.25 What are the effects of habitat destruction on biodiversity
(3)
?
Section D
Q.26 What are the main postulates of theory of Natural Selection
Or
Explain Test cross and Back cross.
Q.27 a) Define Sewage. Write various steps for sewage treatment
b) How transgenic animals are useful in study human diseases?
Q.28 A) in proof reading during DNA replication:
i) Wrong nucleotides are inserted .
ii) Wrong nucleotides are taken out.
iii) Wrong nucleotides are taken out and correct ones inserted.
iv) Mutation are prevented.
b) Draw well labeled diagram of an Ovule
c) Discuss the various steps involved in PCR (Polymerase Chain reaction)
(4)
(2.5,2.5)
(1,2,2)
BIOLOGY
THEORY
(Series A)
Time Allowed: 3 hour
March, 2012
Q.1. Process of differentiation os spermatid into a sperm is known as
a) spermatogenesis
b) gametogenesis
c) spermeogenesis
d) oogenesis
Maximum Marks:60
(1)
Q.2. When dominant and recessive alleles express themselves together it is called
a) Co-dominance
b) Dominance
c) Amphidominance
d) None of the above
Q.3. BGA (Blue green algae) is used as fertilizer in
a) wheat
b) paddy
c) Mustard
d) Gram
Q.4. The process by which we can add or delete certain genes is:
a) Gene therapy
b) Biotechnology
c) Genetic engineering
d) Cytogenetics
Q.5. a community is defined as aggregation of :
a) Individuals of same kind
b) Individuals of different kind
c) Individuals of a population
d) Population of different species
(1)
(1)
(1)
(1)
Section B
Q.6 write short notes on test tube baby
Or
What are main reasons of population explosion
(1.5)
Q.7 What is incomplete dominane? Cite one example
(1.5)
Q.8 What are cry proteins ? Name an organism that produce it
Or
What are Bioreactors ? Explain
(1.5)
Q.9 Define
i) Natality rate ii) Commensalism iii)Parasitism
Q.10 What are homologous organs? Give at least two example.
Or
Define: i) Dominant trait ii)Heterozygous iii) Eobiont
(1.5)
Q.11 What do you mean by ornithopily ? Enlist characteristics of ornithophilous flowers. (1.5)
Q.12 Differentiate between antigen and antibody.
(1.5)
Q.13 Write note on Bt Cotton.
(1.5)
Q.14 Outline salient feature of carbon cycle in nature
Q.15 Define:
i) Biopatent
ii) Genetically modified food iii) Humulin
(1.5)
(1.5)
Section-C
Q.16 Differentiate between self pollination and cross pollination
(2.5)
Q.17. Describe Evolution of horse in brief
(2.5)
Q.18 What are Narcotics ? Give example and their effects
(2.5)
Q.19 What is ozone hole? Write note on it
(2.5)
Or
What is food chain ? Give one example of Grazing food chain and one example of detritus food
chain.
Q.20 Enlist advantages of genetically modified crops
(2.5)
Q.21 State Mendel’s Law of Dominance. Explain it with suitable example. (2.5)
Or
Differentiate between prokaryotic DNA and eukaryotic DNA
(2.5)
Q.22 i) Draw well labeled diagram of internal structure of human testis.
ii) What are the functions of sertoli Cells ?
(1.5, 1)
Q.23 What are sources and harmful effects of air pollution ?
(2.5)
Q.24 Explain Hershey and chase experiment to prove that DNA is genetic material
(3)
Q.25 What are the National Parks? Give examples in India
(3)
Section –D
Q.26 What are main postulates of Lanmarck’s theory of use and disuse?
Or
Describe Lac operon
Q.27
(4)
i) Enlist al least six danger signals of cancer.
ii) Give name of the causative agent, symptoms and preventive measures of Amoebiasis
(2.5,2.5)
Q.28 i) Process of translation is
a) Ribosome Syntheses
c) R.N.A Synthesis
b) D.N.A Synthesis
d)Protein Synthesis
BIOLOGY
THEORY
(Series B)
Time Allowed: 3 hour
March, 2012
Maximum Marks:60
Q.1. Aleurone layer in maize grain is specially rich in :
a) Starch
b) Lipids
c) Auxins
d) Proteins
Q.2. What is correct genotype for blood group O :
a) No antigen but both a and b antigens
b) No antibody but both A and B antigens
c) a antibody and B antigens
d) b antibody and a antigen
(1)
(1)
Q.3. Which organism serves as biofertilizer :
a) Azolla
b) E. coli
c) Spirogyra
d) None of these
(1)
Q.4. D.N.A. fragments are joined by :
a) Ligases
b) Endonuclease
c) Polymerase
d) Exnuclease
(1)
Q.5. Physical part of biosphere is made up of :
a) Hydrosphere
b) Lithosphere
c) Atmosphere
d) All of the above
(1)
Section B
Q.6 Suggest various method of population control
Or
Enlist main methods of birth control
(1.5)
Q.7 What is co-dominance? Cite one example
(1.5)
Q.8 What is gene therapy ? Illustrate using one example
Or
Draw double Helix structure of DNA
(1.5)
Q.9 Define:
(1.5)
a) Mortality rate
b) Proto Cooperation
(1.5)
C) Scavenging
Q.10 What are analogous organs? Give at least two examples.
Or
Define: a) Recessive trait
b) Genotype
c) Coacervate
(1.5)
Q.11 What do you mean by anemophily? What are the characteristics of anemophilious
flowers
(1.5)
Q.12 Differentiate between T-Cell and B-Cell
(1.5)
Q.13 Write note on polyploidy in plants
Q.14 Outline salient features of oxygen cycle
(1.5)
(1.5)
Q.15 Define:
a) Bioethics b) Gene library
c) Bio fortified food
(1.5)
Section C
Q.16 Differentiate between asexual reproduction and secual reproduction
(2.5)
Q.17 Describe evolution of man in brief
(2.5)
Q.18 What are stimulants? Give examples and their effects
(2.5)
Q.19 What is acid rain ? What are its harmful effects on plants and animals?
(2.5)
Or
Explain pyramids of energy with examples
Q.20 Enlist advantages of genetically modified animal
(2.5)
Q.21 State Mendel’s law of independent Assortment. Explain with suitable example
Or
Differentiate between induction and repression
Q.22 i) Draw well labelled diagram of human ovary
ii) What are the functions of corpus luteum ?
(1.5,1)
Q.23 What are the source and harmful effects of water pollution ?
(2.5)
Q.24 Explain Griffith’s experiment to prove that DNA is genetic material (3)
Q.25 What are Sanctuaries? Give one example in India
(3)
Section D
Q.26 What are main postulates of Oparin and Haldane’s theory of orgin of life (4)
Or
Describe tryptophan operon
Q.27 i) Describe any three kinds of cancer.
(2.5, 2.5)
ii) Give name of causative agent symptoms and preventive measures of typhoid
Q.28 i) Initiating codon is
a) UAA
c)UAG
b) AUG
d) None of these
(2.5)
BIOLOGY
THEORY
(Series C)
Time Allowed: 3 hour
March, 2012
Section A
Maximum Marks:60
Question-1
Q.1 Development of ovum into new individual without entry of the sperm is called
a) fertilization
b) Parthenogenesis
c) Asexual reproduction
d) Oogenesis
Q.2 Dihybrid test cross ratio is:
a) 9:3:3:1
b) 1:1:1:1
c) 3:1
d) 1:1
Q.3 MOET (Multiple Ovulation Embryo Transfer) is a method of:
a) fish cultivation
b) Hybridization
c) Birth control
d) None of the above
Q.4 D.N.A. finger printing is based on:
a) Clones of DNA
b) DNA segments formed by R.E. enzymes
c) Human efforts
d) Gene library
Q.5 Incomplete combustion of fuel produces :
a) CO2
b) CO
c) N2
d) SO2
Section B
Q.6 Write short note on amniocentesis
Or
(1)
(1)
(1)
(1)
(1)
(1.5)
Briefly give an account of various intra uterine contraceptive measures
Q.7 What is pleiotropy ? Give one example.
Q.8 What are transgenic bacteria ? Give one example
Or
Write note on PCR(Polymerase chain reaction)
(1.5)
(1.5)
Q.9 Define:
i) Sex ratio
ii) Symbiosis
iii) Predation
Q.10 What are vestigial organs ? Give at least two example
(1.5)
(1.5)
Q.11 What do you mean by entomophily ? Enlist characteristics of entomophillous flower. (1.5)
Q.12 Differentiate between active immunity and passive immunity
(1.5)
Q.13 Write note on golden rice
(1.5)
Q.14 Outline salient features of Nitrogen Cycle in nature.
(1.5)
Q.15 Define:
(1.5)
i) Biopiracy
ii) Genetically modified organism iii) Super weed
Q.16 Differentiate between spermatogenesis and oogenesis
(2.5)
Q.17 What is missing link? Give one example. How it differs from connecting link?
Q.18 what are Hallucinogens ? Give example and their effects.
(2.5)
(2.5)
Q.19. What is global warming? What are the reason and negative impacts of global warming ? (2.5)
Q.20 Enlist distinct steps common to genetic engineering technology
Q.21 State Mendel’s law of purity of gametes. Explain with suitable example.
Or
Differentiate between replication and transcription.
(2.5)
(2.5)
Q.22 i) Draw well labeled diagram of human sperm
ii) What are the functions of acrosome?
(1.5,1)
Q.23 What are sources and harmful effects of noise pollution ?
(2.5)
Q.24 Describe semi conservative nature of DNA replication
Q.25 What are biosphere reserves?
Section D
Q.26 What are main posulates of Darwin’s Theory of Natural selection ?
Of
Summarise Miller’s experiment for organic synthesis
(3)
(3)
(4)
Q.27 i) What is AIDS ? How this disease is transmitted ? Give at least for modes.
ii) Give name of the causative agents, symptoms and preventive measures of pneumonia
(2.5,2.5)
Q.28 Terminating codon is
a) UAA b) AUG
c) AAU
d) all of these