biology study material

BIOLOGY STUDY MATERIAL
The secretory product pectin of cell wall is chemically a
Answer: carbohydrate
Coagulation of blood in the vessel is prevented during normal condition by
Answer: heparin
Which of the following imparts yellow colour to urine in humans?
Answer: Urochrome
"Which of the following are characteristics of diabetes mellitus, a common disease of human beings?
I. Increase of blood sugar.
II. Appearance of sugar in urine.
III. Loss of hunger.
IV. Lack of energy.
Which of the statements given above is/are correct?"
Answer: I, II and IV
Which among the following areas in conducive for well irrigation?
Answer: Dry tracts of Rajasthan and Gujarat
Which one among the following animals is without the bone-marrow?
Answer: Birds
Which gland is associated with the production of lymphocytes and antibodies?
Answer: Thymus
To study the evolutionary kingdoms, which one of the following will be very useful
Answer: All of the above
The heart sound murmurs are heard during
Answer: generated by trubulent flow of blood, either inside or outside the most.
Removal of thymus gland in the early life of an experimental mammal will cause
Answer: Both 'a' and ‘b’
The receptors for bitter taste are located at which part of tongue?
Answer: Posterior median part of the tongue
How do marine animals survive in water without air contact?
Answer: They do not require any oxygen
During meiosis, the disjunction of chromosomes can be seen in stage
Answer: anaphase I
Pituitiary has been described as the master gland and its hormones govern other endocrine glands. But which of the following
glands does not come under its influence?
Answer: Pancreas
The largest amount of physical and chemical molecules present in the cells is
Answer: proteins
Which of the following is the cause of suffering of aged people from joint pains?
Answer: Drying up of synovial fluids
The vitamin which is generally excreted by humans in urine is
Answer: vitamin C
Which of the following hormones is involved in the formation and maturation of RBCs?
Answer: Erythropoietin
"Consider the following statements
I. The cervical ribs in the Giraffe are seven only
II. All mammals have only seven cervical ribs.
III. The long neck of the Camel is due to elongation of cervical ribs.
IV. The long neck of the Giraffe is due to increase in the number of cervical ribs.
Which of the statements given above are correct?"
Answer: I, II and III
The ribosomal sub-units of prokaryote cell is
Answer: 30 S + 50 S
Which one among the following micro orgainisms can be used in "Microbial fuel cells"?
Answer: Shewanella putrefaciens
Which of the following animals have the biconvex and non-nucfeated RBCs?
Answer: Mammals
In which of the following groups would you place a plant, which produces spores, has vascular tissues and bear seeds without
fruits?
Answer: Gymnosperm
The excretion of insoluble calcium phosphate present in our body is done by
Answer: intestine
The phragmoplast, a cell plate formed in plant cells originates from
Answer: Golgi bodies
You meet a person who has protruding eyes, tachycardia and higher body temperature. He/ She suffers from
Answer: hypothyroidism
The golgi bodies very common in the secretory cells are originate from
Answer: endoplasmic reticulum
Which of the following metal ion is needed to form poly-ribosomes from ribosomes?
Answer: Mg2 +
Which one among the following is activated in stress conditions?
Answer: Sympathetic nervous system
"Assertion Achlorophylous multicellular eukaryotic decomposers are plants.
Reason (R) Fungi have cell wall rich in cellulose and specialised chitin."
Answer: Both A and R are true and R is the correct explanation of A
The fruit after ripening becomes soft. It is due to
Answer: dissolution of middle lamella
Which of the following should a man consume if he lacks rhodopsin in his eyes?
Answer: Papaya and mango
"Assertion All food chain will come to standstill if the bacteria disappears from the earth.
Reason (R) Bacteria are only associated with soil fertility and play hardly any role for food chain."
Answer: A is true but R is false
Which one of the following is the connecting link between phylum annelida and arthropoda?
Answer: Peiipatus
Which one among the following affects the flowering in plants?
Answer: Florigen
Which one among the following tissues can be used for the extraction of fibres?
Answer: xylem, phloem, epidermis and sclerenchyma
" Assertion Algae and Green fuels are third generation biofuels.
Reason (R) The third generation biofuels are environment friendly and also known as advanced fuels"
Answer: Both A and R are true but R is not the correct explanation of A
Among the plants, pheromones secreted by the cells. For Which of the following is/are the function of a know more function?
Answer: All Fungi for Sekual reproduction
RNA differs from DNA in having
Answer: adenine
Father of the Indian Systematic Botany is
Answer: H Santapau
The placoid scales are found only in
Answer: elasmobranchi
The monocot plants lack the process of grafting. It is mainly due to lack of
Answer: cambium tissue
"Assertion Heart pacemaker is a life saving device when the normal heart rate of 72-80 drops to 30-40 due to a disease or any
other cause.
Reason (R) Heart pace-maker electrically stimulates the contractile heart walls."
Answer: Both A and R are true and R is the correct explanation of A
Magnetic Resonance Imaging (MRI) is used in medical diagnosis to obtain images our internal body organs. This is primarily
possible because
Answer: MRI uses an external magnet to generate a magnetic field in our body
In which one among the following cell walls, the silica is abundantly found?
Answer: cell wall of grass and horsetail
Which among the following gland is known as " Clockwork gland" of human beings?
Answer: Pineal gland
"Which of the following is the honey bee queen substance? "
Answer: A type of wax used in cell construction
Which of the following vector spreads the ksala- azar in human beings?
Answer: Sand fly
Ilmas, a species of Camel family are found in
Answer: South America
The mad-cow disease in cattles is caused by
Answer: prions
The Human cell contain how many Chromosomes ?
Answer: 46
……………….. number of bones in the Human Body
Answer: 206
The range of Hb content in the human body is …………….
Answer: 500-700gm
How many number of cells present in the human body ?
Answer: 75trillion
Total number of muscles in the human body is …………………………
Answer: 639
The largest part of the human body is ……………
Answer: Skin
Weight of the human brain is ………………………..
Answer: 1424g
How many bones are there in a newly born infant ?
Answer: 300
The Scientific name of Human is ………………….
Answer: Homo sapiens
Human body consist of more than ……………. of water
Answer: 60%
Rickets is a disease caused due to deficiency of …………………………
Vitamin D
Calcium
Vitamin A
Vitamin B
Both 1 and 2
Answer: Both 1 and 2
…………..are made up of DNA and proteins
Answer: Chromosomes
……………………… percentage of whole blood is blood plasma and is straw yellow in colour
Answer: 55%
Which of the following is longest bone in the Human Body ?
Answer: Femur
Which of the following is smallest bone in the Human Body ?
Answer: Both 2 and 3
Which of the following contains Haemoglobin ?
Answer: Red Blood cells
Which of the following disease is caused by deficiency of Vitamin B1 ?
Answer: Beriberi
Which of the following animal has long Gestation period ?
Answer: Elephant
The human eye can distinguish about …………….. colours
Answer: 10 million
……………blood group is a universal recipient
Answer: AB
………………… is the basic structural and functional unit of all known living organisms
Answer: The Cell
The first living cell was discovered by ……………….
Answer: Leeuwenhoek
Who is known as “Father of Botany” ?
Answer: Theophrastus
The scientists who gave the his thought for the first time about the life of plants and animal was ……………
Answer: Aristotle
The study of cell is called ……………..
Answer: Cytology
…………. is called as power house of the cell
Answer: Mitochondria
Bead like structure found on chromosome are called ………….
Answer: Genes
What is the Chemical name of fats ?
Answer: Lipids
……………. is a process in which the respired oxygen is used in the oxidation of food resulting in the release of energy
Answer: Respiration
A new born baby’s heart weight is about …………
Answer: 20g
Which of the following is the richest source of Vitamin C ?
Answer: Amla
………… is due to either the pancreas not producing enough insulin or the cells of the body not responding properly to the
insulin produced.
Answer: Diabetes
Normal blood pressure of human body is approximately
Answer: 120/80 mm Hg.
Trachoma is a disease of the ………………..
Answer: Eye
The richest source of vitamin D is ……………
Answer: Cod liver oil
During sleep a man’s blood pressure is …………..
Answer: Fluctuate
…………..is provided by sunlight to the body
Answer: Vitamin D
Psoriasis is a disease connected with
Answer: Skin
Malaria is a disease which affect the ………………………..
Answer: Spleen
Tuberculosis is an infectious ………………..disease
Answer: Bacteria
Humans are …………
Answer – Heterotrophs
In seed plants, the immature male gametophyte is also known as ………………
Answer – Pollen
Red blood cells and white blood cells are produced in …………….
Answer – Red bone marrow
Fats and Oils are …………………….
Answer – Lipids
Viruses are not responsible for which disease ?
Answer – Malaria
Which is the largest gland in the human body ?
Answer – Liver
Food is normally digested in the ……………
Answer – Small intestines
Ricketts is a disease of ……………….
Answer – Bones
Fats are stored within specialised cells called …………..
Answer – Adipocytes
………….of the Endocrine glands is known as master gland?
Answer – Pituitary
What is the approximate time required for a heartbeat ?
Answer: 0.8s
The metal present in insulin is ………………………….
Answer: Zinc
Which is used to prevent infections from the human body ?
Answer: Vitamin C
What is the name of first clones sheep ?
Answer: Dolly
Xerophthalmia is a disease caused by lack of …………………..
Answer: Vitamin A
Which animal uses sounds as its eyes ?
Answer: Bat
Which organ of the body never rest ?
Answer: Heart
Angiotensinogen is a protein produced by ………………………….
Answer: Liver cells
The major energy currency molecule of the cell, is ……………………………
Answer: ATP
…………. is considered the biological clock of the body
Answer: Pineal gland
………………. is a gaseous plant harmone
Answer – Etylene
Capsule of Tenon is associated with
Answer – Eyeball
A healthy man needs ………………….. calories per day
Answer – 2500
Which of the following is not a part of the balanced diet ?
Answer – Alcohol
Jalpriya is a variety of ………………………….
Answer – Paddy
How many laminae are present in the grey matter of spinal cord ?
Answer – 10
Reserpine is used to …………………………..
Answer – reduce high blood pressure
Broca’s area in the left hemisphere of the brain is related with …………………….
Answer – Speech
………………… is also known as Christmas disease
Answer – Haemophilia B
‘Bundle of His’ is a part of ………………………
Answer – Heart
Pneumoconiosis is a disease of ……………..
Answer: Lungs
Which one of the following is a good source of nutritional Calcium ?
Answer: Ragi
In human beings, normally which one of the following parts does the sperm fertilize the ovum ?
Answer: Fallopian Tube
Which of the following belong to the genus Dalbergia ?
Answer: Rosewood
…………………… is another name of RDX
Answer: Dextran
Which types of light colours are strongly absorbed by plants ?
Answer: Blue and Red
Which of the following is not an ape ?
Answer: Langur
Which of the following is/are plant products ?
Vanilla
Chicory
Camphor
All of these
Answer: All of these
…………… has the highest energy
Answer: Blue light
Ethanol as a viable bio-fuel can be obtained from …………….
Corn
Sugercane
Maize
Both 1 and 2
Answer: Both 1 and 2
Ames Test is used to diagnosis
Answer: Carcinogenecity
……………. Test is used to identify plague
Answer: Wayson stain test
ELISA test is associated with
Answer: AIDS
The disease Syphilis is identified by …………………….
Answer: Wassermann test
Tourniquet test is used to diagnosis which of the following disease ?
Answer: Dengue
………………. for diagnosis of typhoid fevers
Answer: Widal test
Dick test is used to identify which type of fever ?
Answer: Scarlet fever
The disease Tuberculosis is identified by which test ?
Answer: Montoux test
Rose waller test is associated with
Answer: Rheumatoid fever.
Bilirubin blood test is used to diagnose ………….
Answer: Jaundice
MRI mean
Answer – Magnetic Resonance Imaging
Insects Responsible for transmitting disease are called ………………..
Answer – Vector
Tamiflu is front line drug against ……………
Answer – Bird Flu
…………….. scientific name is Columba livia
Answer – Pigeon
The First successful heart transplantation was done by …………………..
Answer – CN Barnard
…………………. helps to prevent infections in the human body
Answer – Vitamin C
An ECG show the functioning of the …………………
Answer – Heart
Cell or tissue death within a living body is referred as ……………..
Answer – Necrosis
………………… is an insufficient blood supply in human body
Answer – Ischema
Thalassemia is a hereditary disease. It affects …………
Answer – Blood