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 701: In typical predator food chain involving secondary and tertiary consumers, the organism become progressively
Options:
A) smaller and more numerous along the food chain
B) equal in number and size along the food chain
C) larger and fewer along the food chain
D) parasitized along the food chain as consumers get bigger
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The correct answer is C .
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Question 702: A phenomenon by which an animal goes into a state of dormancy during the dry season is called
Options:
A) hibernation
B) aestivation
C) incubation
D) deactivation
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The correct answer is B .
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Question 703: Which of the following food substances is digested in the stomach?
Options:
A) Carbohydrate
B) Fats and oil
C) Fats and proteins
D) Proteins
E) Carbohydrates and fats
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The correct answer is D .
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Question 704: A characteristic that best exemplifies the evolutionary advancement of mammals over other vertebrates is the
Options:
A) vivparous mode of reproduction
B) possession of paired limbs
C) terrestrial mode of life
D) possession of a heart
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The correct answer is A .
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Question 705: Evidence that a tooth is a living part of the mammalian can be found within the
Options:
A) gum
B) pulp cavity
C) cement
D) enarmel
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The correct answer is B .
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Question 706: In a positive phototropic response of a coleoptile, the region of greatest curvature is brought about by the
Options:
A) movement of auxins away from the region of curvature
B) even distribution of auxins in all parts of the coleoptile
C) inhibition of growth by auxins in the region f smaller curvature
D) concentration of auxins in the region of curvature
E) absence of auxins in the coleoptile
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The correct answer is D .
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Question 707:
Total salt content in blood is about
Options:
A) 1.85 to 1.9%
B) 11.85 to 11.9%
C) 2.85 to 2.9%
D) 0.85 to 0.9%
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The correct answer is D .
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Question 708: The breakdown of fats and oils into simpler absorbable compounds is catalyzed by the group of enzymes called
Options:
A) lipases
B) hydrolases
C) amylases
D) peptidases
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The correct answer is A .
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Question 709:
Which of the following is the effect of using artificial pollination in plant breeding?
Options:
A) Production of healthy crops
B) Lengthening the maturity time of crops
C) Making crops susceptible to disease
D) Improvement of the variety of crops
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The correct answer is D .
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Question 710: The depth of illumination in a water body can be measured with a
Options:
A) photometer
B) secchi disc
C) hydrometer
D) anemometer
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The correct answer is B .