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61) Quinine, used for the treatment of malaria is obtained from
Correct Answer - Option
(A)
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62) The richest source of carbohydrates is
Correct Answer - Option
(C)
Explanation:
Rice is the richest source of carbohydrates among the given options. It primarily contains starch, which is a complex carbohydrate. White rice has about 80% carbohydrates, making it a staple energy source in many diets worldwide.
Carbohydrate content in 100g of these grains:
- Rice → ~80g
- Maize (Corn) → ~74g
- Wheat → ~71g
- Jowar (Sorghum) → ~72g
Since rice has the highest carbohydrate content, the correct answer is (C) Rice.
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63) The main commercial sugar used worldwide for sweetening various food products is
Correct Answer - Option
(B)
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64) The scientific name for ‘Programmed Cell Death’ is
Correct Answer - Option
(D)
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65) After child birth, the first milk that comes out from the mother’s mammary gland is
Correct Answer - Option
(A)
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66) In a food chain, the maximum amount of energy is stored in
Correct Answer - Option
(A)
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67) The flow of energy in an ecosystem is
Correct Answer - Option
(C)
Explanation:
The flow of energy in an ecosystem is unidirectional, meaning energy flows in one direction – from producers (like plants) to consumers (like herbivores and carnivores) and eventually to decomposers. Energy is not recycled; it is lost as heat at each trophic level.
Why other options are incorrect:
- (A) Bidirectional – Energy does not flow back and forth in an ecosystem.
- (B) Circular – While nutrients cycle in an ecosystem, energy flows in a one-way direction.
- (D) Multidirectional – Energy flows in a single direction, not multiple directions.
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68) The technique used for detecting specific proteins is
Correct Answer - Option
(B)
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69) A flower is said to be complete when it has
Correct Answer - Option
(C)
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70) Mycology is the study of
Correct Answer - Option
(A)
No Explanation found. Add Explanation and get +2 points.
You are learning MCQ Questions of Biology Department : 22 | Page : 7
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