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 151: In a bean seed, absorption of water at the beginning of germination is through the
Options:
A) hilium
B) micropyle
C) testa
D) plumule
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The correct answer is B .
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Question 152: Which of the following plant structures lacks a waterproof cuticle?
Options:
A) leaf
B) stem
C) root
D) shoot
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The correct answer is C .
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Question 153: The speed of wind can be measured with an instrument called
Options:
A) hygrometer
B) secchi disc
C) anemometer
D) wind vane
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The correct answer is C .
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Question 154:
Which of the following is the correct classification of carbohydrates?
Options:
A) Lipid
B) Phytonutrient
C) Macronutrient
D) Micronutrient
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The correct answer is C .
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Question 155: The inner ear contains two main organs, namely, the
Options:
A) eardrum and eustachian tube
B) cochlea and semi-circular canals
C) oval window and ossicles
D) pinna and cochlea
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The correct answer is B .
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Question 156: The natural tendency of organisms as they evolve is to
Options:
A) decrease in size
B) increase in number
C) develop specialize structure
D) feed indiscriminately
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The correct answer is C .
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Question 157: The removal of remnant particles of digestion from the body is called
Options:
A) assimilation
B) egestion
C) elimination
D) excretion
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The correct answer is B .
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Question 158: Organisms living in an estuarine habitat are adapted to
Options:
A) withstand wide fluctuations in temperature
B) survive only in water with low salinity
C) withstand wide fluctuations in salinity
D) feed only on phytoplankton and dead organic matter
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The correct answer is C .
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Question 159: The function of the fluid - filled pericadium is to
Options:
A) reduce the friction caused by the pumping movements of the heart
B) supply the heart with organisms from attacking the heart
C) prevent disease organism from attacking the heart
D) reduce the intensity of the pumping
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The correct answer is A .
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Question 160: Which of the following choices correctly describes the composition of the cell membrane?
Options:
A) contains only lipids
B) contains lipids and protein
C) contains lipids and cytosol
D) contains only proteins
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The correct answer is B .