Sexual Reproduction in Flowering Plants · Question 15

Pollen grains remain preserved as fossils due to the presence of :

1. Epidermal layer
2. Tapetum
3. Exine layer
4. Intine layer

The part marked as ‘x’ in the given figure is [Figure]

1. Endosperm
2. Thalamus
3. Endocarp
4. Mesocarp

What is the function of tassels in the corn cob?

1. To trap pollen grains
2. To disperse pollen grains
3. To protect seeds
4. To attract insects

Large, colourful, fragrant flowers with nectar are seen in

1. Bird pollinated plants
2. Bat pollinated plants
3. Wind pollinated plants
4. Insect pollinated plants

In angiosperm, the haploid, diploid and triploid structures of a fertilized embryo sac sequentially are :

1. Antipodals, synergids, and primary endosperm nucleus
2. Synergids, Zygote and Primary endosperm nucleus
3. Synergids, antipodals and Polar nuclei
4. Synergids, Primary endosperm nucleus and zygote

Given below are two statements: In the light of the above statements, choose the correct answer from the options given below :

1. Both Statement I and Statement II are correct
2. Both Statement I and Statement II are incorrect
3. Statement I is correct but Statement II is incorrect
4. Statement I is incorrect but Statement II is correct

Identify the incorrect statement related to Pollination:

1. Pollination by water is quite rare in flowering plants
2. Pollination by wind is more common amongst abiotic pollination
3. Flowers produce foul odours to attract flies and beetles to get pollinated
4. Moths and butterflies are the most dominant pollinating agents among insects

Which part of the fruit, labelled in the given figure makes it a false fruit? [Figure]

1. A Mesocarp
2. B Endocarp
3. C Thalamus
4. D Seed

The residual persistent part which forms the perisperm in the seeds of beet is

1. Integument
2. Calyx
3. Endosperm
4. Nucellus

To ensure that only the desired pollens fall on the stigma in artificial hybridization process Choose the correct answer from the options given below

1. A, D and E only
2. A, B and C only
3. B, C and D only
4. B, C and E only