Biology 27
131. Which of the following is not a physical change?
(A) Dissolving sugar in tea.
(B) Buring of wax in a candle
(C) Dehydrating milk to get milk powder.
(D) Sublimation of iodine
(A) Dissolving sugar in tea.
(B) Buring of wax in a candle
(C) Dehydrating milk to get milk powder.
(D) Sublimation of iodine
Correct Answer: [B] Buring of wax in a candle.
132. In respiration, cytosol plays a significant role in
(A) Krebs cycle
(B) Glycolysis
(C) Oxidative phosphorylation
(D) Oxidative decarboxylation of pyruvic acid
(A) Krebs cycle
(B) Glycolysis
(C) Oxidative phosphorylation
(D) Oxidative decarboxylation of pyruvic acid
Correct Answer: [B] Glycolysis.
133. The presence of pneumatophore (breathing root) is found in
(A) Hydrophytic plants
(B) Insectivores
(C) Mangrove plants
(D) Epiphytic plants
(A) Hydrophytic plants
(B) Insectivores
(C) Mangrove plants
(D) Epiphytic plants
Correct Answer: [C] Mangrove plants.
134. The ingredient that assists the clotting of blood is
(A) Vitamin D
(B) Vitamin K
(C) Vitamin A
(D) Folic acid
(A) Vitamin D
(B) Vitamin K
(C) Vitamin A
(D) Folic acid
Correct Answer: [D] Folic acid.
135. The behavior of energy in an ecosystem can be conveniently termed as energy flow because
(A) Energy transformations are the one-way direction.
(B) Energy is the denominator of all kinds of system.
(C) Energy transformations are multidirectional in nature.
(D) None of the above
(A) Energy transformations are the one-way direction.
(B) Energy is the denominator of all kinds of system.
(C) Energy transformations are multidirectional in nature.
(D) None of the above
Correct Answer: [A] Energy transformations are the one-way direction..
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