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 791:
The flippers of a whale and the fins of a fish are examples of
Options:
A) divergent evolution
B) co-evolution
C) continuous variation
D) convergent evolution
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The correct answer is D .
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Question 792: During blood transfusion, agglutination may occur when
Options:
A) contrasting antigens reacts with contrasting antibodies
B) similar antigens react with similar antibodies
C) two different antigens react with each other
D) two different antibodies react with each other
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The correct answer is B .
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Question 793: The main function of blood in mammals is to transport
Options:
A) excretory materials from tissues
B) carbondioxide from lungs to tissues
C) digested food from all the body tissues
D) oxygen to the lungs
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The correct answer is A .
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Question 794: The mode of feeding in Amoeba and Hydra is
Options:
A) heterotrophic
B) holophytic
C) autotrophic
D) symbiotic
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The correct answer is A .
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Question 795: Which of the following instruments is used for determining turbidity of water?
Options:
A) Thermometer
B) secchi disc
C) rain guage
D) Hydrometer
E) Wind vane
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The correct answer is B .
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Question 796: The clumping together of red blood cells is
Options:
A) agglutination
B) fussion
C) transfusion
D) compatibility
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The correct answer is A .
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Question 797: A spirogyra cell placed was placed in solution X after 1 minute the cell has been plasmolysed, solution X was
Options:
A) Tap water
B) a very strong sugar solution
C) a weak sugar solution
D) a very weak salt solution
E) distilled water
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The correct answer is B .
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Question 798: The prothallus of fern is equivalent to the gametophyte generation of moss because it
Options:
A) is inconspicuous
B) has rhizoids
C) bears sexual organ
D) is multicellular
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The correct answer is C .
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Question 799:
The glomerular filtrate contains the following except
Options:
A) Water
B) Urea
C) Blood Corpuscles
D) Glucose
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The correct answer is C .
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Question 800: Urea formation occurs in the
Options:
A) heart
B) liver
C) lung
D) kidney
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The correct answer is B .