Q. No.Nucellar polyembryony is seen in:
1. Citrus and Mango
2. Castor and Pea
3. Grasses and Mustard
4. Orchids and China rose
1. Citrus and Mango
2. Castor and Pea
3. Grasses and Mustard
4. Orchids and China rose
1. Funicle
2. Raphe
3. Hilum
4. Chalaza
Wind-pollinated flowers are characterized by:
| 1. | being heavily scented |
| 2. | highly attractive colours |
| 3. | non-sticky light pollen grains, well-exposed stamen, large feathery stigma |
| 4. | ribbon shaped pollen with mucilaginous covering |
1. Pea and Apple
2. Groundnut and Wheat
3. Beans and Mango
4. Castor and Coconut
| 1. | Moths and butterflies are the most dominant pollinating agents among insects |
| 2. | Pollination by water is quite rare in flowering plants |
| 3. | Pollination by wind is more common amongst abiotic pollination |
| 4. | Flowers produce foul odours to attract flies and beetles to get pollinated |
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:
1. Statement I is incorrect but Statement II is correct.
2. Both Statement I and Statement II are correct.
3. Both Statement I and Statement II are incorrect.
4. Statement I is correct but Statement II is incorrect.
Which part of the fruit, labelled in the given figure makes it a false fruit?
1. D-Seed
2. A-Mesocarp
3. B-Endocarp
4. C-Thalamus
What will be the ploidy of endosperm of a seed produced after crossing tetraploid female plant with tetraploid male plant?
1. Pentaploid
2. Hexaploid
3. Diploid
4. Triploid
Which of the following set represents the correct labeling of A, B, C and D with respect to the given diagram?
| 1. | A- Seed Coat, B- Cotyledon, C- Endosperm, D - Hypocotyle |
| 2. | A -Seed Coat, B- Scutellum, C- Endocarp, D - Mesocarp |
| 3. | A- Seed Coat, B- Scutellum, C- Microphyle, D - Endocarp |
| 4. | A-Pericarp, B - Coleoptile |
1. All cells are diploid
2. All cells are triploid.
3. All cells are polyploidy
4. There are haploid, diploid, and triploid cells
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