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 1251:
In which of the following vertebrates does the skin function as a respiratory surface
Options:
A) rat
B) lizard
C) fish
D) frog
Show Answer
The correct answer is D .
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Question 1252: 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 1253: The male toad differs from the female by having
Options:
A) Vocal sacs
B) Shorter hind limbs
C) Longer fore limbs
D) Bulging eyes
E) Nictating membranes
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The correct answer is A .
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Question 1254: The movement of the whole organism to an external stimulus is termed
Options:
A) tropism
B) a taxis
C) a nastic movement
D) a phototropic movement
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The correct answer is B .
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Question 1255:
Which of the following statements is true about sandy soil?
Options:
A) has limited air space
B) is light and easy to dig
C) drains slowly
D) is heavy and poorly aerated
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The correct answer is B .
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Question 1256: A characteristic feature of tropical rainforest is that it
Options:
A) Contains trees with narrow leaves
B) Contains large number of plant species
C) Contains fewer number of plant species
D) Has total annual rainfall of less than 50cm
Show Answer
The correct answer is B .
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Question 1257: The modification in structure, physiology and behaviour of plant and animal is called ______
Options:
A) adaption
B) evolution
C) variation
D) succession
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The correct answer is A .
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Question 1258: Stunted growth and poor root development are a result of a deficiency in
Options:
A) sulpur
B) phosphorus
C) calcium
D) iron
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The correct answer is C .
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Question 1259: The path followed by air as it passes through the lungs in mammals
Options:
A) cochlea
B) pinna
C) perilymph
D) vestibular system
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The correct answer is D .
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Question 1260: The enzyme invertase will hydrolyze sucrose to give
Options:
A) maltose and glucose
B) glycerol and fatty acid
C) glucose and fructose
D) mannose and galactose
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The correct answer is C .