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 681: The evidence that supports the advancement of ferns over mosses is derive from
Options:
A) comparative anatomy
B) molecular records
C) biochemical similarities
D) physiological records
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The correct answer is A .
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Question 682: The main structure in vertebrates that supports and protects the body is the
Options:
A) skeleton
B) ligament
C) muscle
D) joint
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The correct answer is A .
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Question 683:
An adaptive feature of camel to the desert is?
Options:
A) ability to increase sweat production
B) ability to pass high amount of urine
C) ability to tolerate low degree of dehydration
D) ability to tolerate high degree of dehydration
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The correct answer is D .
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Question 684:
A seed of a flowering plant can best be described as
Options:
A) radicle and plumule
B) the developed ovule
C) the embryo and endosperm
D) developed ovary
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The correct answer is B .
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Question 685:

In mammals, reabsorption of salt takes place in
Options:
A) IV
B) III
C) II
D) I
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The correct answer is B .
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Question 686: The carrier of the hereditary character in plants and animal is the
Options:
A) Cell
B) Nucleus
C) Chromosome
D) Chloroplast
E) Gene
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The correct answer is C .
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Question 687:

The main function of 6 is to
Options:
A) separate 5 from 7
B) produce more of 5 and 7
C) produce cork
D) translocate water and mineral salt
E) conduct carbondioxide to the other plant
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The correct answer is B .
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Question 688:
The function of pith in plant is
Options:
A) absorb mineral salt and nutrient from the soil
B) store and transport nutrients throughout the plant
C) trap chlorophyll from the sunlight
D) Removal of waste product from the plant
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The correct answer is B .
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Question 689: The nitrogenous substance that is excreted by birds in order to conserve water is
Options:
A) ammonia
B) urea
C) uric acid
D) nitric acid
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The correct answer is C .
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Question 690:
Blood circulation in a mammal is said to be double because
Options:
A) It passes twice through the heart in a complete circuit
B) It moves in both arteries and veins
C) It circulates in both the hands and other organs
D) The heart contains auricles and ventricles
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The correct answer is A .