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 81: The theory of survival of the fittest was propounded by …..
Options:
A) Darwin
B) Hooke
C) Lamarck
D) Linnaeus
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The correct answer is A .
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Question 82:
In an ecosystem, the organism which changes light energy into stored chemical energy is the
Options:
A) Consumer
B) Producer
C) Decomposer
D) Carnivore
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The correct answer is B .
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Question 83: The organelle common to both plant and animal cells is the
Options:
A) centrioles
B) plasmalemma
C) cell wall
D) chloroplast
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The correct answer is B .
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Question 84:
As the tadpole develops, the structure labelled 5
Options:
A) grows longer
B) becomes shorter
C) becomes the hind legs
D) remains unchanged
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The correct answer is B .
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Question 85: The character-producing factors in living organisms are
Options:
A) Chromomeres
B) Alleles
C) Chromatids
D) Chromosomes
E) Genes
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The correct answer is E .
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Question 86: If you cross breed a tall variety (Tt) of maize with a short variety (tt), the ratio of tall to short plants in the offspring will be
Options:
A) 2:1
B) 1:2
C) 1:1
D) 1:3
E) 3:1
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The correct answer is C .
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Question 87:
One of the following is an effect of clay soil on vegetation
Options:
A) Supports luxuriant vegetation such as forest
B) Supports scanty vegetation
C) Does not support light vegetation
D) Support arid vegetation
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The correct answer is A .
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Question 88: A band of connective tissue linking two bones in a joint is known as
Options:
A) tendon
B) cartillage
C) synovial membrane
D) ligament
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The correct answer is D .
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Question 89:
What type of vertebrate assists in breathing alongside with the ribs?
Options:
A) Sacral
B) Caudal
C) Thoracic
D) Lumber
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The correct answer is C .
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Question 90: Each of the following is an anthropod EXCEPT the
Options:
A) crab
B) spider
C) snail
D) milipede
E) cockroach
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The correct answer is C .