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 111: One reason for the success of Mendel's work is that the
Options:
A) was the first to carry out research work on modern genetics
B) introduced quantitative and qualitative elements into his work
C) selected two characteristics only at a time for study
D) drew up his laws of inheritance based on his knowledge of chromosomes
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The correct answer is D .
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Question 112: A flower that has both stamens and pistils is said to be
Options:
A) staminate
B) pistillate
C) perfect
D) imperfect
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The correct answer is C .
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Question 113: Which of the following is the end product of the digestion of oil
Options:
A) glucose
B) Glycerol
C) amino acid
D) glycogen
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The correct answer is B .
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Question 114: Insects are considered the most successful among the invertebrates because they
Options:
A) possession of exoskeletons
B) survive in various environmental conditions
C) have wings for flight
D) possess the ability to change their forms
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The correct answer is C .
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Question 115: Which of these statement below is not a characteristic of wind pollinated flower?
Options:
A) Stigmas are usually large and feathery
B) Nectar is usually absent
C) The pollen grains have rough spiny surfaces
D) The flowers are not scented
E) The pollen is light and smooth
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The correct answer is C .
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Question 116: Low annual rainfall, sparse vegetation , high diurnal temperatures and cold nights are characteristic features of the
Options:
A) tropical rainforest
B) desert
C) montane forest
D) guinea savanna
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The correct answer is B .
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Question 117: Roots of plants are normally
Options:
A) Positively phototropic
B) Negatively geotropic
C) Negatively hydrotropic
D) Positively hydrotropic
E) Negatively chemotropic
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The correct answer is D .
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Question 118: The mineral nutrient that is most bound to the soil is
Options:
A) phosphorus
B) calcium
C) iron
D) potassium
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The correct answer is C .
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Question 119: Parental care is exhibited by
Options:
A) snails
B) earthworms
C) birds
D) toads
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The correct answer is C .
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Question 120: A germinating seed requires oxygen which is essential for
Options:
A) Converting carbohydrate into glucose
B) Transporting energy from one part of the plant to another
C) The production of energy by oxidising essential carbohydrate
D) Hydrolysis of proteins
E) The formation of water molecules within the germinating seed
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The correct answer is C .