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 1541: Which of the following describes a characteristic of arthropods?
Options:
A) The organism finds it easy to grow freely
B) the organism has a pair of jointed appendages
C) the body is not divided into a number of segments seg
D) the body is covered by chitin
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The correct answer is D .
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Question 1542:

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 1543: 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 1544: An onion bulb stores its food in the
Options:
A) Stem
B) Leaves
C) Roots
D) Cotyledon
E) Branches
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The correct answer is B .
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Question 1545: A fruit formed from a single flower having several free carpels is
Options:
A) a multiple fruit
B) a dry dehiscent fruit
C) a dry indehiscent fruit
D) a simple fruit
E) an aggregate fruit
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The correct answer is E .
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Question 1546:

The structure labelled 1 is the
Options:
A) plumule
B) radicle
C) cell membrane
D) seed coat
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The correct answer is D .
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Question 1547: To select and retain the desirable trait of large body size which a farmer has observed in his herd, the farmer needs to
Options:
A) feed the animals in the herd with more food
B) cross-breed his animals with a different herd
C) inbreed the animals in his herd
D) prevent disease in herd
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The correct answer is C .
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Question 1548: Unlike auxins, gibberellins
Options:
A) induces the formation of adventitious roots
B) do not affect leaf and fruit abscission
C) cannot stimulate stem elongation
D) are quite effective as herbicides
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The correct answer is B .
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Question 1549: The association in which one member benefits and the other is relatively unaffected by the interaction is termed
Options:
A) symbiosis
B) parasitism
C) commensalism
D) mutualism
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The correct answer is C .
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Question 1550:
A pollutant that is mostly associated with acid rain is
Options:
A) Nitrogen (IV) oxide
B) Ozone
C) Flourine
D) Carbony (IV) oxide
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The correct answer is A .