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 51:
A boy who is fond of swimming in a pond finds himself passing urine with traces of blood. He is likely to have contracted
Options:
A) schistosomiasis
B) onchocerciasis
C) poliomyelitis
D) salmonellosis
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The correct answer is A .
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Question 52:
Accessory material in a chicken egg include the following except
Options:
A) Albumen
B) Shell membrane
C) Shell
D) Germinal disc
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The correct answer is D .
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Question 53: Plants that have special devices for trapping and digesting insects are
Options:
A) carnivorous
B) symbiotic
C) parasitic
D) saprophytic
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The correct answer is A .
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Question 54:
During mitosis, the stage at which chromosomes lines up around the equator is?
Options:
A) telophase
B) metasphase
C) anaphase
D) prophase
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The correct answer is B .
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Question 55: The group of insects that have mouth parts adapted for both piercing and sucking is
Options:
A) cockroach, aphids and mosquitoes
B) aphids, houseflies and moths
C) mosquitoes, tse-tse flies and aphids
D) aphids, beetles and grasshoppers
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The correct answer is C .
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Question 56: The leech and the earthworm belong to the
Options:
A) mollusces
B) crustaceans
C) arachnides
D) annelides
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The correct answer is D .
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Question 57: Bacteria inhabiting legume root nodules and which add atmospheric nitrogen to the soil are referred to as
Options:
A) Denitrifying bacteria
B) Nitrifying bacteria
C) Nitrogen fixing bacteria
D) Nitrogen freeing bacteria
E) Nitrogen putrefying bacteria
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The correct answer is C .
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Question 58: During mammalian embryo development, large amounts of oestrogen and progesterone are produced in the
Options:
A) umbilical cord
B) amnion
C) placenta
D) amniotic fluid
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The correct answer is C .
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Question 59: The process in which complex substances are broken down into simpler ones is referred to as
Options:
A) anabolism
B) catabolism
C) metabolism
D) tropism
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The correct answer is B .
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Question 60: The mammalian vein which starts with and ends in a capillary network is the
Options:
A) pulmonary vein
B) mesenteric vein
C) renal vein
D) hepatic potal vein
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The correct answer is D .