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 61:
Which of the following structures controls the activities of the living cell?
Options:
A) Nucleus
B) Centrosome
C) Mitochondrion
D) Golgi body
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The correct answer is A .
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Question 62: One example of fossil fuels is
Options:
A) Limestone
B) Coral
C) Coal
D) Firewood
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The correct answer is C .
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Question 63: The surest way to combine the best qualities of both parents in the offspring is by
Options:
A) cross-breeding
B) inbreeding
C) selective breeding
D) pure breeding
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The correct answer is A .
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Question 64:
What is the function of 3?
Options:
A) cutting of large piece of food
B) seizure and tearing of prey
C) Grinding of food
D) Tearing of flesh only
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The correct answer is B .
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Question 65:
The energy released by 1 gram of glucose is
Options:
A) 6 kcal
B) 4 kcal
C) 5 kcal
D) 3 kcal
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The correct answer is B .
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Question 66:
Viviparity refers to the reproductive strategy in which
Options:
A) Offspring are produced by internal fertilization
B) Offspring are produced by external fertilization
C) Offspring develop and are nourished inside the female's body
D) Offspring develop and are nourished outside the female's body
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The correct answer is C .
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Question 67: If the anthers of a flower mature before the stigma, the condition is termed
Options:
A) epigyny
B) hypogyny
C) protogyny
D) protandry
E) perigyny
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The correct answer is D .
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Question 68: Which of the following is NOT a function of mammalian blood?
Options:
A) Engulfing bacteria
B) Production of hormones
C) Transporting ureas
D) Distribution of heat
E) Transporting glucose
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The correct answer is B .
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Question 69: Free nitrogen is released to the atmosphere by
Options:
A) Nitrogen-fixing bacteria
B) nitrifying bacteria
C) denitrifying bacteria
D) saprophytic bacteria
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The correct answer is C .
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Question 70: The vector of the malaria parasite is the
Options:
A) female anopheles mosquito
B) female culex mosquito
C) male anopheles mosquito
D) male culex mosquito
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The correct answer is A .