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Sexual Reproduction in Flowering Plants NEET PYQs
Class XII Biology
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NCERT Based
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NEET Practice
📘 Concept Based
📝 Exam Level
🤖 AI Explanations
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24 questions in this chapter
Large, colourful, fragrant flowers with nectar are seen in:
A wind pollinated plants
B insect pollinated plants
C bird pollinated plants
D bat pollinated plants
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In angiosperm, the haploid, diploid and triploid structures of a fertilized embryo sac sequentially are:
A Synergids, antipodals and Polar nuclei
B Synergids, Primary endosperm nucleus and zygote
C Antipodals, synergids, and primary endosperm nucleus
D Synergids, Zygote and Primary endosperm nucleus
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What is the function of tassels in the corn cob?
A To protect seeds
B To attract insects
C To trap pollen grains
D To disperse pollen grains
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Given below are two statements:
Statement I: Cleistogamous flowers are invariably autogamous.
Statement II: Cleistogamy is disadvantageous as there is no chance for cross pollination.
In the light of the above statements, choose the correct answer from the options given below :
A Both Statement I and Statement II are correct
B Both Statement I and Statement II are incorrect
C Statement I is correct but Statement II is incorrect
D Statement I is incorrect but Statement II is correct
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Identify the incorrect statement related to Pollination:
A Pollination by water is quite rare in flowering plants
B Pollination by wind is more common amongst abiotic pollination
C Flowers produce foul odours to attract flies and beetles to get pollinated
D Moths and butterflies are the most dominant pollinating agents among insects
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Which part of the fruit, labelled in the given figure makes it a false fruit?
A A → Mesocarp
B B → Endocarp
C C → Thalamus
D D → Seed
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A typical angiosperm embryo sac at maturity is:
A 8-nucleate and 7-celled
B 7-nucleate and 8-celled
C 7-nucleate and 7-celled
D 8-nucleate and 8-celled
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The term used for transfer of pollen grains from
anthers of one plant to stigma of a different plant
which, during pollination, brings genetically different types of pollen grains to stigma, is :
A Xenogamy
B Geitonogamy
C Chasmogamy
D Cleistogamy
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In some members of which of the following pairs of
families, pollen grains retain their viability for months after release?
A Poaceae ; Rosaceae
B Poaceae; Leguminosae
C Poaceae; Solanaceae
D Rosaceae ; Leguminosae
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Which of the following is incorrect for wind-pollinated plants?
A Well exposed stamens and stigma
B Many ovules in each ovary
C Flowers are small and not brightly coloured
D Pollen grains are light and non-sticky
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