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: Some of the diseases caused by bacteria are
Options:
A) tuberculosis, gonorrhoea and syphilis
B) tuberculosis, gonorrhoea and AIDS
C) Poliomyelitis, syphilis and gonorrhoea
D) AIDS, cholera and tuberculosis
Show Answer
The correct answer is A .
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Question 82: One of the features which adapts Paramecium to its environment is the possession of
Options:
A) a regular shape
B) two nuclei
C) cilia
D) a pellicle
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The correct answer is C .
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Question 83:

The structure labelled I represented the
Options:
A) phloem
B) xylem
C) cortex
D) pericycle
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The correct answer is D .
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Question 84: The short thick break in birds is an adaptation for
Options:
A) crushing seeds
B) sucking nectar
C) tearing flash
D) straining mud
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The correct answer is A .
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Question 85:

The correct figured sequence for the following labeled parts (stigma, ovary wall, embryo sac, integument and micropyle) is
Options:
A) 12453
B) 24135
C) 21435
D) 14325
E) 31425
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The correct answer is C .
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Question 86: A crucible of 5 g m weighed 10 gm after filling with fresh soil. it is then heated in an oven at 100°c for 1 hour. After cooling in a desiccator, the weight was 8 gm. The percentage of water in the soil is
Options:
A) 80%
B) 60%
C) 20%
D) 40%
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The correct answer is D .
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Question 87: 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 88: The vascular tissues in higher plants are responsible for
Options:
A) the movement of food and water
B) suction pressure
C) transpiration pull
D) the transport of gases and water
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The correct answer is A .
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Question 89:

What is the name of the structure labelled 2?
Options:
A) Odontoid process
B) Olecranon process
C) Patella
D) Condyle
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The correct answer is B .
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Question 90: At what stage in the life history of a toad is its mode of breathing similar to that of fish?
Options:
A) Tadpole stage
B) External gill stage
C) Adult stage
D) Internal gill stage
E) Larval stage
Show Answer
The correct answer is A .