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 1551: The companion cells are part of the
Options:
A) pericycle
B) phloem
C) pith
D) xylem
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The correct answer is B .
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Question 1552: Which of these animals is NOT metamerically segmented?
Options:
A) Tapeworm
B) Earthworm
C) Centipede
D) Crayfish
E) Shark
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The correct answer is E .
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Question 1553:

In the figure above the structure which prevents friction between the bones is
Options:
A) 1
B) 2
C) 3
D) 4
E) 5
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The correct answer is B .
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Question 1554: The ability of living organism to detect and respond to changes in the environment is referred to as
Options:
A) locomotion
B) irritability
C) growth
D) taxis
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The correct answer is B .
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Question 1555: The hepatic portal vein is characterized by
Options:
A) Beginning and ending with capillaries
B) Connecting the liver and the kidney
C) Carrying deoxygenated blood
D) Ending with large capillaries
E) Having no capillaries
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The correct answer is A .
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Question 1556: In a bakery, yeast is added to flour to make bread rise. This is possible because yeast produces
Options:
A) alcohol
B) oxygen
C) carbon dioxide
D) energy
E) ethanol
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The correct answer is C .
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Question 1557: In which of the following groups of vertebrates is parental care mostly exhibited?
Options:
A) Aves
B) Reptilia
C) Amphibia
D) Mammalia
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The correct answer is D .
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Question 1558: The main function of the choroid is
Options:
A) protection of the eye ball
B) transmission of light
C) supply of nutrient to tissue of the eye
D) converging light
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The correct answer is C .
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Question 1559: An example of a filter -feeding animal is
Options:
A) shark
B) butterfly
C) whale
D) mosquito
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The correct answer is C .
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Question 1560: Gregor Mendel is regarded as the father of ______
Options:
A) variation
B) genetics
C) mycology
D) natural selection
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The correct answer is B .