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 411: The process of walking is under the control of the part of the brain called
Options:
A) optic lobe
B) olfactory lobe
C) cerebellum
D) medulla oblongata
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The correct answer is C .
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Question 412: The most important adaptation of xerophytes is the ability of the protoplasm to
Options:
A) resist being damaged by loss of water
B) store sugar and minerals in the vacuoles
C) absorbs water and swell
D) shrink from the cell wall
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The correct answer is A .
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Question 413:
The natural place of an organism or community is known as
Options:
A) Niche
B) Habit
C) Biome
D) Habitat
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The correct answer is D .
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Question 414: In the transverse section of the leaf of maize vascular bundles are arranged in
Options:
A) a row
B) one circle
C) alternate position
D) two circles
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The correct answer is B .
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Question 415: Which of the following elements are necessary for the formation of chlorophyll in a plant?
Options:
A) magnesium and iron
B) Calcium and potassium
C) Calcium and sulphur
D) Potasium and sulphur
E) Phosphorus and potassium
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The correct answer is A .
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Question 416:
Trees in Savanna habitats usually have thick bark which mainly.
Options:
A) Reduces the rate of transpiration
B) Protect them from scorching sun
C) Protect them from heavy winds
D) Resist bush fires
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The correct answer is A .
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Question 417: 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 418:

The correct evolutionary sequence of the organisms represented is
Options:
A) IV->II->III->I
B) III->II->I->IV
C) II->III->IV->I
D) I->III=>II->IV
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The correct answer is A .
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Question 419: Which of the following is a characteristics of a bacteria except _______?
Options:
A) they can be seen under microscope
B) they range from 0.5 ยต m in diameter
C) They are grouped accordingly to their cell shape
D) they do not cause disease
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The correct answer is D .
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Question 420: Epigeal germination can be found in
Options:
A) sorghum
B) maize
C) millet
D) groundnut
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The correct answer is D .