Biology (School & UG)
Q. Which pigment is primarily responsible for capturing light energy during the light reactions?
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A.
Chlorophyll a
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B.
Carotenoids
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C.
Xanthophylls
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D.
Chlorophyll b
Solution
Chlorophyll a is the main pigment that captures light energy for photosynthesis.
Correct Answer: A — Chlorophyll a
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Q. Which pigment is primarily responsible for capturing light energy in plants?
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A.
Chlorophyll a
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B.
Carotenoids
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C.
Xanthophylls
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D.
Chlorophyll b
Solution
Chlorophyll a is the primary pigment that captures light energy for photosynthesis.
Correct Answer: A — Chlorophyll a
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Q. Which plant compound is known for its anti-inflammatory properties and is often used in herbal medicine?
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A.
Curcumin
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B.
Caffeine
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C.
Chlorophyll
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D.
Tannins
Solution
Curcumin, found in turmeric, is well-known for its anti-inflammatory effects.
Correct Answer: A — Curcumin
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Q. Which plant group is considered the most evolutionarily advanced?
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A.
Bryophytes
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B.
Pteridophytes
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C.
Gymnosperms
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D.
Angiosperms
Solution
Angiosperms, or flowering plants, are considered the most evolutionarily advanced due to their complex reproductive structures.
Correct Answer: D — Angiosperms
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Q. Which plant group is known for having a dominant sporophyte generation?
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A.
Mosses
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B.
Ferns
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C.
Liverworts
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D.
Algae
Solution
Ferns are known for having a dominant sporophyte generation, which is the diploid phase that produces spores.
Correct Answer: B — Ferns
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Q. Which plant group is known for having a life cycle that includes both a gametophyte and a sporophyte stage?
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A.
Angiosperms
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B.
Gymnosperms
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C.
Bryophytes
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D.
Pteridophytes
Solution
Bryophytes exhibit a life cycle that includes both gametophyte and sporophyte stages.
Correct Answer: C — Bryophytes
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Q. Which plant group is primarily known for producing flowers and fruits?
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A.
Gymnosperms
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B.
Angiosperms
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C.
Ferns
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D.
Mosses
Solution
Angiosperms are known for producing flowers and fruits, which are key features of this group.
Correct Answer: B — Angiosperms
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Q. Which plant hormone is involved in fruit ripening?
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A.
Auxins
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B.
Gibberellins
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C.
Ethylene
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D.
Cytokinins
Solution
Ethylene is the hormone that regulates the ripening of fruits.
Correct Answer: C — Ethylene
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Q. Which plant hormone is involved in the regulation of fruit ripening?
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A.
Auxins
-
B.
Gibberellins
-
C.
Ethylene
-
D.
Cytokinins
Solution
Ethylene is the hormone that regulates the ripening of fruits, promoting changes in color and texture.
Correct Answer: C — Ethylene
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Q. Which plant hormone is involved in the response to stress conditions, such as drought?
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A.
Gibberellins
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B.
Auxins
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C.
Abscisic Acid
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D.
Cytokinins
Solution
Abscisic Acid is the hormone that helps plants respond to stress conditions, including drought.
Correct Answer: C — Abscisic Acid
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Q. Which plant hormone is involved in the ripening of fruits?
-
A.
Auxins
-
B.
Gibberellins
-
C.
Ethylene
-
D.
Cytokinins
Solution
Ethylene is the hormone that regulates the ripening process in fruits, influencing color and texture changes.
Correct Answer: C — Ethylene
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Q. Which plant hormone is often manipulated in biotechnology to promote growth?
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A.
Ethylene
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B.
Auxin
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C.
Gibberellin
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D.
Abscisic acid
Solution
Auxin is a key hormone that regulates plant growth and is often manipulated in biotechnological applications.
Correct Answer: B — Auxin
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Q. Which plant hormone is primarily involved in fruit ripening?
-
A.
Auxins
-
B.
Gibberellins
-
C.
Ethylene
-
D.
Cytokinins
Solution
Ethylene is the hormone that plays a key role in the ripening of fruits.
Correct Answer: C — Ethylene
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Q. Which plant hormone is primarily involved in regulating plant responses to stress, which can also affect human health?
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A.
Auxin
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B.
Gibberellin
-
C.
Ethylene
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D.
Abscisic acid
Solution
Abscisic acid helps plants respond to stress, and its effects can influence human health indirectly.
Correct Answer: D — Abscisic acid
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Q. Which plant hormone is primarily involved in the regulation of fruit ripening?
-
A.
Auxin
-
B.
Gibberellin
-
C.
Ethylene
-
D.
Cytokinin
Solution
Ethylene is the plant hormone that regulates the process of fruit ripening.
Correct Answer: C — Ethylene
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Q. Which plant hormone is primarily responsible for promoting cell elongation?
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A.
Auxin
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B.
Gibberellin
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C.
Cytokinin
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D.
Ethylene
Solution
Auxin is the hormone that promotes cell elongation and growth in plants.
Correct Answer: A — Auxin
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Q. Which plant hormone is primarily responsible for promoting fruit development after fertilization?
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A.
Auxin
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B.
Gibberellin
-
C.
Cytokinin
-
D.
Ethylene
Solution
Auxin is a key hormone that promotes fruit development following fertilization.
Correct Answer: A — Auxin
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Q. Which plant hormone is primarily responsible for promoting fruit development?
-
A.
Auxin
-
B.
Gibberellin
-
C.
Cytokinin
-
D.
Ethylene
Solution
Ethylene is the hormone that promotes fruit ripening and development.
Correct Answer: D — Ethylene
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Q. Which plant is a common source of omega-3 fatty acids beneficial for heart health?
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A.
Flaxseed
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B.
Corn
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C.
Wheat
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D.
Rice
Solution
Flaxseed is a rich source of omega-3 fatty acids, which are known to support heart health.
Correct Answer: A — Flaxseed
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Q. Which plant is a rich source of omega-3 fatty acids beneficial for heart health?
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A.
Flaxseed
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B.
Wheat
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C.
Rice
-
D.
Corn
Solution
Flaxseed is an excellent source of omega-3 fatty acids.
Correct Answer: A — Flaxseed
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Q. Which plant is a source of the anti-cancer compound paclitaxel?
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A.
Yew tree
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B.
Oak tree
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C.
Maple tree
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D.
Pine tree
Solution
Paclitaxel, an anti-cancer drug, is derived from the bark of the yew tree.
Correct Answer: A — Yew tree
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Q. Which plant is commonly associated with lowering blood sugar levels in diabetic patients?
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A.
Aloe Vera
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B.
Ginseng
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C.
Bitter Melon
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D.
Lavender
Solution
Bitter Melon has been shown to have properties that can help lower blood sugar levels in diabetic patients.
Correct Answer: C — Bitter Melon
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Q. Which plant is commonly associated with lowering cholesterol levels?
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A.
Garlic
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B.
Ginger
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C.
Mint
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D.
Basil
Solution
Garlic has been shown to help lower cholesterol levels in various studies.
Correct Answer: A — Garlic
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Q. Which plant is commonly associated with reducing anxiety and improving sleep quality?
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A.
Lavender
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B.
Bamboo
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C.
Cactus
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D.
Fern
Solution
Lavender is well-known for its calming effects and is often used in aromatherapy.
Correct Answer: A — Lavender
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Q. Which plant is commonly used to alleviate symptoms of anxiety and stress?
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A.
Lavender
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B.
Cactus
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C.
Fern
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D.
Moss
Solution
Lavender is well-known for its calming effects and is often used in aromatherapy.
Correct Answer: A — Lavender
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Q. Which plant is commonly used to treat digestive issues and is known for its soothing properties?
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A.
Aloe Vera
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B.
Mint
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C.
Basil
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D.
Rosemary
Solution
Aloe Vera is widely recognized for its soothing effects on the digestive system.
Correct Answer: A — Aloe Vera
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Q. Which plant is commonly used to treat digestive issues due to its high fiber content?
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A.
Aloe Vera
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B.
Psyllium
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C.
Lavender
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D.
Mint
Solution
Psyllium is known for its high soluble fiber content, aiding in digestion.
Correct Answer: B — Psyllium
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Q. Which plant is commonly used to treat digestive issues due to its soothing properties?
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A.
Aloe Vera
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B.
Mint
-
C.
Ginger
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D.
Chamomile
Solution
Chamomile is well-known for its calming effects on the digestive system.
Correct Answer: D — Chamomile
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Q. Which plant is known for its ability to improve gut health due to its high fiber content?
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A.
Broccoli
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B.
Potato
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C.
Banana
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D.
Spinach
Solution
Bananas are high in fiber, which is beneficial for gut health and digestion.
Correct Answer: C — Banana
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Q. Which plant is known for its ability to improve mood and reduce anxiety?
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A.
Lavender
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B.
Cactus
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C.
Fern
-
D.
Moss
Solution
Lavender is widely recognized for its calming effects and ability to reduce anxiety.
Correct Answer: A — Lavender
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