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 131: Below are some group of diseases. Which group of diseases is caused by bacteria?
Options:
A) Tuberculosis, smallpox
B) Gonorrhoea, measles
C) Tuberculosis, polio
D) Sleeping sickness, measles
E) Syphilis, gonorrhoea
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The correct answer is E .
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Question 132: The organisms with the least number of individuals in a pyramid of numbers are the
Options:
A) secondary consumers
B) tertiary consumers
C) primary producers
D) primary consumers
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The correct answer is B .
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Question 133: The insects in which the maxillae are modified into a long coiled proboscis is
Options:
A) housefly
B) butterfly
C) mosquito
D) grasshopper
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The correct answer is B .
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Question 134: A student trying to find out the order in which organisms appear on a cleared plot is studying one of the following
Options:
A) Ecosystem
B) Food chain
C) Food web
D) Succession
E) Community
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The correct answer is D .
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Question 135: Which enzymes are contained in the pancreatic juice?
Options:
A) Ptayalin, lipase and pepsin
B) Maltase, erepsin and trypsin
C) Renin, sucrase and lipase
D) Amylase, lipase and trypsin
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The correct answer is D .
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Question 136: The crown of the mammalian tooth is covered with
Options:
A) cement
B) dentine
C) caries
D) enamel
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The correct answer is D .
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Question 137: In the Burret test, some protein was mixed with sodium hydroxide solution. Which of the following chemicals should be added to the mixture for a positive results?
Options:
A) Mercurous nitrates
B) Copper sulphate
C) Mercuric nitrate
D) Sodium carbonate
E) Ammonium hydroxide
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The correct answer is B .
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Question 138: Movement of minerals and chemical compounds with a plant occurs during
Options:
A) osmosis
B) translocation
C) transpiration
D) diffusion
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The correct answer is B .
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Question 139: Plants survive hot dry conditions by
Options:
A) storing water in large parenchyma cells
B) producing numerous leaves
C) having numerous stomata
D) having evergreen leaves
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The correct answer is A .
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Question 140: A food chain always begins with a
Options:
A) consumer
B) decomposer
C) producer
D) primary consumer
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The correct answer is C .