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 2151:
The hygrometer is used for measuring
Options:
A) Relative Humidity
B) Specific Gravity
C) Rainfall
D) Salinity
Show Answer
The correct answer is A .
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Question 2152:
Which of the following is a behavioural adaptation that protects prey from predators?
Options:
A) Hibernation
B) Shedding of leaves
C) Secreting irritating fluid
D) Dormancy
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The correct answer is C .
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Question 2153: If a ring of bark and phloem is removed from a stem, the
Options:
A) plant dies immediately
B) plant dies after two days
C) movement of food is not affected
D) movement of minerals is hardly affected
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The correct answer is D .
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Question 2154: One basic similarity between nervous and endocrine system is that they both
Options:
A) produce widespread effects
B) transmit very fast impulses
C) involve the use of chemical substances
D) produce precise and short-lived effect
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The correct answer is C .
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Question 2155: One primitive feature of the coelenterates is the possession of
Options:
A) a dorsal mouth
B) radial symmetry
C) bilateral symmetry
D) a false foot
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The correct answer is B .
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Question 2156: Deoxygenation blood flows into the right and left lungs through the
Options:
A) pulmonary vein
B) vena cava
C) pulmonary artery
D) subclavian vein
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The correct answer is C .
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Question 2157:

Use the table below to answer the question.
High relative humidity will be expected in Zones
Options:
A) ii and iv
B) ii and iii
C) i and iii
D) i and iv
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The correct answer is B .
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Question 2158: The Rhesus factor of blood was first identified in a category of
Options:
A) monkeys
B) human females
C) human males
D) chimpanzees
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The correct answer is A .
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Question 2159: In a photo-tropic experiment, young seedlings in a box were subjected to light from one direction. The seedling continue to grow erect. Which of the following statement is correct
Options:
A) Only the tip of the seedling received the light
B) The light was not strong enough
C) The seedlings were rather too young
D) The tip of the seedling may have been covered
E) The box containing the seedling should have been placed on a laboratory bench
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The correct answer is A .
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Question 2160:
Competition among individuals of a population increases the
Options:
A) Number of organisms
B) Availability of nutrient supplied
C) Survival of the fittest
D) Enlargement of the territory
Show Answer
The correct answer is C .