Biology Question Capsule 4
1.
Which of the following is the largest part of the human brain?
(1) Cerebellum
(2) Cerebrum
(3) Midbrain
(4) Medulla oblongata
2.
The word 'ecosystem' was first joined by
(1) AG. Tansley
(2) R. Misra
(3) F.P. Odum
(4) Weaver and Clements
3.
Which one of the following actors is Biotic?
(1) Texture of soil
(2) Carbon dioxide content of the soil
(3) Rainfall
(4) Photoperiod
4.
In an ecosystem, big fishes eat mall fishes which eat water-fleas supported by Phytoplankton.
The water-fieas in this system are
(1) Primary Consumers
(2) Secondary Consumers
(3) Producer
(4) Decomposers
5.
In a polluted lake the index of pollution is
(1) Frog
(2) Algae
(3) Daphnia
(4) Aquatic weeds
6.
The scientist who decoded the language of bees was
(1) William Harvey
(2) R. Kock
(3) Synodgrass
(4) Karl Von Frisch
7.
The insects which are highly destructive to buildings and wooden structures are
(1) Weevils
(2) Cockroach and ants
(3) Corn borer
(4) Termites
8.
From which pan of the plant is cotton fibre derived?
(1) Bark of stem
(2) Phloem
(3) Epidermal hairs of seed
(4) Xylem
Biology Question Capsule 4
9.
Some plants are carnivorous. Which of the following is of that type ?
(1) Begonia
(2) Pitcher plant
(3) Sundew
(4) Water lily
10.
Which of the following is correctly matched?
(1) Apple-Drupe
(2) Banana-Berry
(3) Mango-Berry
(4) Tomato-Pome
11.
Which of the following is an epiphytic plant?
(1) Bacteria
(2) Mushroom
(3) Mould
(4) Orchid
12.
The name of the plant from which castor oil is obtained is
(1) Brassica
(2) Linumusitatissmum
(3) Ricinus communist
(4) Seasanum indices
13.
Protein synthesis takes place in
(1) Ribosomes
(2) Plastids
(3) Mitochondrte
(4) Lysosomes
14.
Which of the following is the first phase of mitotic division?
(1) Anaphase
(2) Metaphase
(3) Prophase
(4) Telophase
15.
Which of the following branches of science is concerned with the classification of organisms?
(1) Agronomy
(2) Genealogy
(3) Histology
(4) Taxonomy
16.
For his studies on hybridization, Gregory Mendel made use of
(1) Cowpeas
(2) Garden peas
(3) Sweet peas
(4) Winged beans
Biology Question Capsule 4
17.
In many plants the tap root becomes swollen and assumes various forms. This happens due to
(1) Deficiency of mineral nutrients
(2) Inadequate sunlight for photosynthesis
(3) The storage of food in the root
(4) A disease
18.
Metabolic process yield substances which are harmful to the body. These are rendered
harmless in the
(1) Small intestine
(2) Liver
(3) Pancreas
(4) Stomach
19.
Of how many distinct layers of epithelial cells is epidermis made up of ?
(1) 2
(2) 3
(3) 4
(4) 5
20.
The lowermost layer of epithelial cells of the epidermis is called
(1) Corneum
(2) Granulosum
(3) Lucidum
(4) Malpighian
21.
The dermis has skin pigment cells called
(1) Dendrites
(2) Erythrocytes
(3) Melanocytes
(4) Monocytes
22.
The skin has various types of epidermal and dermal modifications, in different vertebrates. In
this regard, which of the following statements is not correct?
(1) Birds have feathers
(2) The skin of reptiles and fishes is naked but is kept moist with mucus secretion
(3) Nails, hooves, antlers, horns, clawsare examples of skin derivates
(4) Mammals have hair.
23.
The nerve endings in the skin carry the sensations of
(1) Cold and heat only
(2) Touch only
(3) Pain and pressure only
(4) All of these
Biology Question Capsule 4
24.
The subcutaneous fat layer in the body is located
(1) Above the epidermis
(2) Below the epidermis
(3) Above the dermis
(4) Below the dermis
25.
When plants are grown in darkness, they are elongated because they
(1) Do not contain auxin
(2) Contain more auxin
(3) Require minerals
(4) None of these
26.
Which tissue is responsible for the passage of water in plants?
(1) Collenchymatous
(2) Phloem
(3) Sclerenchyma
(4) Xylem
27.
Fixation of nitrogen is the process by which
(1) Atmospheric nitrogen gets converted into useful compounds
(2) Nitrogen gets converted into nitric acid
(3) Liquefaction of nitrogen takes place
(4) Both (2) and (3) above
28.
Magnesium is essential for plants because it helps in
(1) Flowering
(2) The formation of chlorophy II
(3) The development of roots
(4) The ripening of fruits
29.
The effect of the length of the on the flowering of plants is known as
(1) Photophosphorylation
(2) Photoperiodic
(3) Photosynthesis
(4) Phototropism
30.
By weight, calcium and sodium in the animal cells range between
(1) 0.15% to 2%
(2) 0.50% to 2.50%
(3) 1.00% to 3.00%
(4) None of these
31.
Why is chemical energy the most suitable form of energy for living stems?
(1) It can be easily transferred
(2) It can be easily transformed
(3) It can be easily stored
(4) All of these
Biology Question Capsule 4
32.
Who, amongst the following, is regarded as the ‘father of genetics’?
(1) Gregor Johann Mendel
(2) Charles Darwin
(3) Robert Hooke
(4) None of these
33.
Aestivation may be defined as
(1) Arrangement of floral leaves in the bud condition
(2) Arrangement of ovules in the ovary
(3) Attachment of filaments to the anthers
(4) Union of floral parts
34.
Placentation means
(1) Fixation of anthers to the filament
(2) Fusion of stamens with the petals
(3) Union of sepals and petals
(4) The mode of arrangement of ovules in the ovary
35.
Which of the following pairing is not correct?
(1) Brinjal-Berry
(2) Coconut-Drupe
(3) Lemon-Pome
(4) All these pairs are correct
36.
Which of the following acts as an insulator against heat, cold and as a shock absorber in the
body?
(1) Dermis
(2) Epidermis
(3) Sub-cutaneous fat layer
(4) None of these
37.
Which of the following cell layers of the skin in made up of dead, flattened cells?
(1) Corneum
(2) Granulosum
(3) Lucidum
(4) All the layers have live cells
38.
For the formation of bones and teeth, which of the following vitamins is essential?
(1) Vitamin A
(2) Vitamin B
(3) Vitamin D
(4) All of these
39.
Which of the following produces Vitamin D for the body?
(1) Liver
(2) Lungs
(3) Stomach
(4) Skin
Biology Question Capsule 4
40.
What role is played by the layers of the dead cells of stratum corneum in the body?
(1) Eliminate water, salts and other products
(2) Protect the layers to the living cells underneath from injury
(3) Help the skin to perceive sensation of cold, heat, touch, etc.
(4) None of these
41.
The skin of which of the following functions as a site of cutaneous respiration?
(1) Amphibia
(2) Birds
(3) Mammals
(4) Reptiles and fishes
42.
The cardiac or heart muscle functions
(1) Voluntarily (under control of free will)
(2) Involuntarily (hot under control of free will)
(3) Voluntarily in the working phase and involuntarily during sleep
(4) None of these
43.
Who amongst the following introduced the term Chromatin and described the splitting of
chromosomes tore the first time?
(1) W Flemming
(2) C.E. McClung
(3) T.H. Morgan
(4) None of these
44.
Which of the following Vitamins promotes healthy functioning of eyes?
(1) Vitamin D
(2) Vitamin E
(3) Vitamin A
(4) Vitamin K
45.
Who amongst the following described that protoplasm is the physical basis of life?
(1) Purkinje
(2) Leeuvvenhoek
(3) R.Virchow
(4) T.N. Huxley
46.
Which of the following is the latest advancement in Genetic Engineering?
(1) DMA synthesis
(2) Gene splicing
(3) Plasmids
(4) None of these
Biology Question Capsule 4
47.
High intake of which of the following is regarded as the main cause of heart diseases?
(1) Cholesterol
(2) Proteins
(3) Starch
(4) Sugar
48.
The process by which sun rays get converted into chemical, energy is called
(1) Solar absorption
(2) Bio-conversion
(3) Bio-synthesis
(4) Solar radiation
49.
Which one of the following is hermaphrodite?
(1) Bedbug
(2) Hookworm
(3) Mosquito
(4) Earthworm
50.
Through which of the following are hereditary characters transmitted from
(1) Endoplasmic reticulum
(2) Chromosomes
(3) Mitochondria
(4) None of these
1. (1)
11. (4)
21. (3)
31. (4)
41. (1)
2. (1)
12. (2)
1. (2)
32. (3)
42. (2)
3. (1)
13. (1)
2. (4)
33. (1)
43. (4)
4. (1)
14. (3)
24. (4)
34. (4)
44. (3)
5. (2)
15. (4)
25. (2)
35. (3)
45. (4)
6. (4)
16. (2)
26. (4)
36. (3)
46. (2)
7. (4)
17. (3)
27. (1)
37. (1)
47. (1)
8. (3)
18. (2)
28. (2)
38. (3)
48. (2)
9. (2)
19. (3)
29. (2)
39. (4)
49. (4)
10. (1)
20. (4)
30. (1)
40. (2)
50. (2)