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 521: The transect method can be used in ecology to show the
Options:
A) Number of plants and animals in a habitat
B) Population of a particular plant species
C) Distribution of organisms along a line
D) Heights of trees in section of a forest
E) Number of young plants across a forest
Show Answer
The correct answer is A .
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Question 522:
When the original king and queen of termites die, they are replaced by
Options:
A) the king and queen of another colony
B) some adult reproductives from the same colony
C) some adult workers which are specially fed to breed
D) developing nymphs nurtured as secondary reproductives
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The correct answer is D .
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Question 523:
The order of passage of food in the digestive system is
Options:
A) ileum --> caecum ->large intestine -> rectum
B) ileum --> colon --> caecum -> rectum
C) large intestine --> ileum -> caecum -> rectum
D) colon -> caecum -> ileum -> rectum
Show Answer
The correct answer is A .
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Question 524: Which of the following is the simplest living organism?
Options:
A) Paramecium
B) Virus
C) Amoeba
D) Chlamydomonas
Show Answer
The correct answer is B .
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Question 525: Another name for a fertilized egg is a
Options:
A) placenta
B) zygote
C) foetus
D) ovum
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The correct answer is B .
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Question 526: In which of these association is much harm done to one of the partners?
Options:
A) Symbiosis
B) Epiphytism
C) Commensalism
D) Parasitism
E) Mutualism
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The correct answer is D .
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Question 527:
In the experiment, the layer of oil serves to prevent water loss
Options:
A) transpiration
B) evaporation
C) osmosis
D) guttation
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The correct answer is B .
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Question 528: The oily substance that lubricates the mammalian hair to keep it flexible and water repellent is secreted by the
Options:
A) sweet glands
B) sebaceous glands
C) fatty cells
D) granular layer
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The correct answer is B .
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Question 529: If a woman's genotype is Tt Qq Rr, what would be the gene content of her eggs?
Options:
A) TQr, tqr
B) TQR, tqr
C) TqR, tQr
D) tQr, TQR
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The correct answer is B .
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Question 530: Which group of plants would be the first colonizers in an ecological succession changing rocks to soil?
Options:
A) Mosses
B) Ferns
C) Lichens
D) Grasses
Show Answer
The correct answer is C .