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 491: Underground stems which grow horizontally through the soil are
Options:
A) Bulbs
B) Rhizomes
C) Runners
D) Corms
E) Stolons
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The correct answer is B .
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Question 492: The type of nutrition exhibited when organism lives on the body surface or inside the body of another type of organism is
Options:
A) Holozoic
B) parasitic
C) saprohytic
D) carnivores
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The correct answer is B .
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Question 493: An association between the root nodule of a leguminous plant and rhizobium sp, is known as
Options:
A) commmensalism
B) mycorrhiza
C) parastism
D) symbiosis
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The correct answer is D .
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Question 494: Insects that goes through adult stage without becoming pupa are except ________
Options:
A) crickets
B) cockroach
C) grasshopper
D) bees
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The correct answer is D .
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Question 495: In the whistling pine, leaves are reduced to brown scales and young stems are green. This is an adaptation for
Options:
A) obtaining food
B) conserving nutrients
C) storing water
D) reducing transpiration
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The correct answer is D .
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Question 496: All the following are digestive enzymes except
Options:
A) bile
B) lipase
C) maltase
D) pepsin
E) ptyalin
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The correct answer is A .
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Question 497: The theory of natural selection was developed by
Options:
A) Lamarck and Darwin
B) Darwin and Wallace
C) Wallace and Mendel
D) Mendel and Larmack
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The correct answer is B .
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Question 498:
Use the diagram above to answer this question.
The structure that controls loss of water vapour during transpiration is labelled
Options:
A) l
B) ll
C) lll
D) lV
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The correct answer is D .
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Question 499: Vegetation propagation is described as asexual reproduction because
Options:
A) reproductive organs are not involved
B) new individuals are not formed
C) many new plants are produced
D) there is no exchange of genetic materials
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The correct answer is D .
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Question 500: In plants which of the following is required in minute quantities for growth?
Options:
A) Copper
B) Potassium
C) Phosphorus
D) Sodium
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The correct answer is A .