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 461: The process of shedding the exoskeleton of an arthropod is known as
Options:
A) metamorphosis
B) instar formation
C) ecdysis
D) tagmosis
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The correct answer is C .
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Question 462:
Use the diagram above to answer this question. Arrows represent directional movement materials.
The arrow labelled ll represents the
Options:
A) release of oxygen
B) intake of carbon (IV) oxide
C) movement of photosynthates
D) movement of nutrients
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The correct answer is A .
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Question 463: The ability of the cockroach to live in cracks and crevices is enhanced by the possession of
Options:
A) wings and segmented body
B) compound eyes
C) claws on the leg
D) dorso-ventrally flattened body
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The correct answer is D .
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Question 464: Atmospheric nitrogen is converted to soil nitrogen for plant use by
Options:
A) nitrification and combustion
B) putrefaction and lightning
C) lightning and nitrification
D) combustion and putrefaction
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The correct answer is B .
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Question 465: Which of the following is the function of lymph?
Options:
A) Carries hormones round the body
B) Transports nutrients and oxygen from blood capil
C) Distributes heat uniformly round the body
D) conveys amino acids and glucose fromthe small intestine to the liver
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The correct answer is B .
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Question 466:
Use the diagram above to answer this question.
The structure labelled l is the
Options:
A) sporangium
B) hypha
C) zygospore
D) conidiospore
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The correct answer is C .
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Question 467: Which of following is NOT involved in the transport of substance in the body?
Options:
A) Lymph
B) Plasma
C) Leucocytes
D) Erythrocytes
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The correct answer is C .
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Question 468: Oestrogen is a hormone that is synthesized in the
Options:
A) ovaries
B) testes
C) anterior pituitary
D) adrenal cortex
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The correct answer is A .
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Question 469: Which of these is a trace element?
Options:
A) Iron
B) Copper
C) Calcium
D) Sulphur
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The correct answer is B .
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Question 470: The increasing order of the particle size in following soil type is
Options:
A) clay → sand → silt →gravel
B) silt → sand → clay → gravel
C) clay → silt → sand → gravel
D) silt → clay → sand → gravel
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The correct answer is C .