Assertion (A): | Nocturnal flowers are pollinated by moths. |
Reason (R): | Nocturnal flowers are highly fragrant and dull in colour |
1. | Both (A) and (R) are true and (R) is the correct explanation of (A) |
2. | Both (A) and (R) are true and (R) is not the correct explanation of (A) |
3. | (A) is true, (R) is false |
4. | (A) is false and (R) is false |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyAssertion : Cleistogamy is advantageous to the plants.
Reason : It results in the assured seed formation even in the absence of pollinators.
1. If both Assertion & Reason are true and the Reason is the correct explanation of the Assertion.
2. If both Assertion & Reason are true but the Reason is not the correct explanation of the Assertion
3. If Assertion is a true statement but Reason is false.
4. If both Assertion and Reason are false.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIdentify two correct characteristic features of (P) Autogamy and (Q) Allogamy from the following statements
1. Plant species usually does not depend on external agents
2. Plant species usually depends on external agents
3. Plant species normally produces progeny that are healthier and better adapted in nature
4. Plant species normally produces weaker progeny in several generations
1. P-1,3; Q-2,4
2. P-2,4; Q-1,3
3. P-1,4; Q-2,3
4. P-2,3; Q-1,4
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyA. | Wind pollinated flowers have a single ovule in each ovary |
B. | Both wind and water pollinated flowers do not produce nectar |
C. | Bees are the dominant biotic pollinating agents |
D. | In geitonogamy transfer of pollen grains from anther to the stigma of another flower of different plant takes place |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyPrefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot
NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyPrefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot
NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology