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 301: The first step in the process of photosynthesis is the
Options:
A) activation of the chlorophyll
B) photolysis of water
C) reduction of carbondioxide
D) formation of sugar
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The correct answer is A .
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Question 302: Starting from the skull end the vertebrate are arranged in the following order
Options:
A) axis, atlas, cervical, thoracic and lumber
B) atls, cervical, axis, thoracic and lumber
C) atlas, axis, thoracic, cervical and lumber
D) atlas, axis, cervical, thoracic and lumber
E) atlas, thoracic, cervical, axis and lumber
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The correct answer is D .
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Question 303: which of these elements in plants is required in small quantities only
Options:
A) Boron
B) Nitrogen
C) Phosphorus
D) Magnesium
E) Potassium
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The correct answer is A .
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Question 304: The dominant phase in the life cycle of a fern is the?
Options:
A) prothallus
B) sporophyte
C) antheridium
D) gametophyte
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The correct answer is B .
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Question 305: When oil is poured into the breeding site of mosquitoes, it
Options:
A) deprives the larvae of water
B) kills the adults
C) suffocates the pupae
D) slows doen egg development
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The correct answer is C .
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Question 306: The major site of photosynthesis in the leaf is the
Options:
A) palisade parenchyma
B) mesophyll parenchyma
C) upper epidermis
D) lower epidermis
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The correct answer is A .
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Question 307: Coloration of the eye is ______ variation
Options:
A) physiological
B) morphological
C) adaptive
D) recessive
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The correct answer is B .
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Question 308: During excretion of urea there is also a corresponding re-absorption of water into the blood. This re-absorption takes place in the
Options:
A) uriniferous tubules
B) Bowman's capsule
C) glomerulus
D) malpighian capsule
E) renal artery
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The correct answer is A .
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Question 309: In mammals, the function of the sebaceous gland is to
Options:
A) produce sweat
B) secrete sodium choride
C) secrete water
D) produce an oily substance
E) manufacture vitamin D for the skin
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The correct answer is D .
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Question 310: Normally the flow of blood is NEVER from
Options:
A) artery to arterioles
B) arterioles to capillaries
C) capillaries to venules
D) arteerioles to the artery
E) venules to the vein
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The correct answer is D .