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 1041:
In natural selection, Darwin proposed that evolution occurred because of the following conditions except
Options:
A) that nature selects those that will survive to reproduce their kind
B) there is a fierce competition among the offspring
C) that the weaker offspring are eliminated
D) food and other needs are abundant
Show Answer
The correct answer is D .
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Question 1042: Nervous control differs from hormonal control in that the former
Options:
A) involves only chemical transmision
B) is a lower process
C) produces short-term changes
D) has no specific pathway
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The correct answer is C .
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Question 1043: The theory of natural selection was developed by
Options:
A) Lamarck and Darwin
B) Darwin and Wallace
C) Wallace and Mendel
D) Mendel and Larmack
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The correct answer is B .
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Question 1044: The correct base pairing for DNA is
Options:
A) adenine → thymine and guanine → cytosine
B) adenine → guanine and thymine → cytosine
C) adenine → cytosine and guanine → thymine
D) adenine → adenine and cytosine → cytosine
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The correct answer is A .
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Question 1045:
A population is best described as
Options:
A) A group of the same species of organisms living together
B) A group of animals and plants living together
C) A group of insects and grasses
D) Different species of wild animals
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The correct answer is A .
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Question 1046: One of the function of xylem is
Options:
A) strengthening the stem
B) manufacturing food
C) reducing loss of water
D) conducting manufactured food
E) storing unused sugar
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The correct answer is A .
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Question 1047: The dark reaction of photosynthesis involves the
Options:
A) reduction of carbon(IV)oxide to organic
B) release of oxygen and the splitting of water
C) photolysis of water and the production of starch
D) splitting of water into hydrogen
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The correct answer is A .
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Question 1048:

Use the diagram above to answer this question.
During photosynthesis, the arrow labelled ll represents the
Options:
A) escape of mineral salts
B) absorption of energy from the sun
C) release of carbon (IV) oxide
D) release of oxygen as a by-product
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The correct answer is D .
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Question 1049: The adaptive importance of the nuptial flight from termite colonies is to
Options:
A) ensure cross-breeding between members of one colony and another
B) disperse the reproductives in order to establish new colonies
C) provide abundant food for birds and other animals during the early rains
D) expel the reproductives so as to provide enough food for other members
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The correct answer is B .
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Question 1050: One of the following exist as colony
Options:
A) euglena
B) paramecium
C) spirogyra
D) volvox
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The correct answer is D .