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 11: The most common means of transmiting the Acquired Immune Deficiency Syndrome (AIDS) is
Options:
A) from mother to child
B) through blood transfusion
C) through sexual intercourse
D) through the sharing of needles
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The correct answer is C .
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Question 12: Which of the following describes a characteristic of arthropods?
Options:
A) The organism finds it easy to grow freely
B) the organism has a pair of jointed appendages
C) the body is not divided into a number of segments seg
D) the body is covered by chitin
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The correct answer is D .
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Question 13: Which of the following causes pollution?
Options:
A) Consumption of canned drink
B) The addition of fertilizer to farmland
C) Respiration of living organism
D) Burning of refuse
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The correct answer is D .
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Question 14: A biotic factor which affects the distribution and abundance of organisms in a terrestrial habitat is
Options:
A) temperature
B) competition
C) pH
D) light
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The correct answer is B .
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Question 15: Which of these is the terminal portion of the alimentary canal of a mammal?
Options:
A) Oesophagus
B) Stomach
C) Rectum
D) Colon
E) Appendix
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The correct answer is C .
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Question 16: Which of these products obtained from analyzing sweat from skin is not an excretory product?
Options:
A) water
B) Salts
C) Dust
D) Urea
E) Urates
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The correct answer is C .
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Question 17: The mammalian pancreas is involved with the
Options:
A) digestion of food only
B) digestion and absorption of food
C) digestion of food and regulation of blood sugar
D) digestion of food, production of hormone and the regulation of blood
E) digestion of food, and the regulation of blood
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The correct answer is D .
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Question 18:

From the diagram above Birth control by vasectomy is achieved by severing the structure labelled
Options:
A) I
B) II
C) III
D) IV
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The correct answer is C .
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Question 19: Which of the following instruments is NOT used in measuring abiotic factors in any habitat?
Options:
A) Microscopic
B) Thermometer
C) Hygrometer
D) Wind vane
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The correct answer is A .
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Question 20: The mode of nutrition exhibited by a tapeworm is
Options:
A) symbiotic
B) saprophytic
C) parasitic
D) holozoic
Show Answer
The correct answer is C .