Biology is the study of life and living things. It can be divided into different areas that look at the structure, function, anatomy, and behavior of organisms.
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Question 101: Which of the following plant hormone is responsible for ripening of fruits?
Options:
A) Gibberellins
B) Abscisic acid
C) Ethylene
D) Cytokinins
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The correct answer is C .
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Question 102: Urea is produced in the
Options:
A) Liver
B) Bladder
C) Spleen
D) Kidneys
E) Gall bladder
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The correct answer is A .
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Question 103:
I. Stomata --> Spirogyra
II. Alveoli --> Earthworm
III. Malpighian tubule -> Mammal
IV. Contractile vacuole -> Protozoa
Which of the above structures is correctly matched with the organisms in which it is found?
Options:
A) II
B) I
C) IV
D) III
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The correct answer is C .
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Question 104: In which of the following crosses will all the female offspring be colour blind?
Options:
A) colour blind mother x colour blind father
B) colour blind mother x normal father
C) carrier mother x colour blind father
D) carrier mother x normal father
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The correct answer is A .
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Question 105: The vitamin which is important in the formation of the retina pigment is
Options:
A) vitamin A
B) vitamin B
C) vitamin C
D) vitamin D
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The correct answer is A .
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Question 106: The type of asexual reproduction that is common to both Paramecium and protists is
Options:
A) budding
B) sporulation
C) fragmentation
D) fission
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The correct answer is D .
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Question 107: Epigeal germination can be found in
Options:
A) sorghum
B) maize
C) millet
D) groundnut
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The correct answer is D .
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Question 108: What is the genetic ratio of a cross between homozygous tall plant and a homozygous dwarf plant?
Options:
A) 0 tall : 4 short
B) 3 tall : 1 short
C) 2 short : 2 tall
D) 1 tall : 1 short
E) 4 tall : o short
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The correct answer is E .
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Question 109:
How many days does it take for incubation of an egg to release chick?
Options:
A) 21
B) 22
C) 20
D) 23
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The correct answer is A .
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Question 110: The hereditary materials of the cell is
Options:
A) the R N A
B) protein
C) the D N A
D) carbohydrate
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The correct answer is C .