The placenta is attached to the developing seed near the
1. testa
2. hilum
3. micropyle
4. chalaza
Endosperm, a product of double fertilisation in angiosperms is absent in the seeds of
1. | Coconut | 2. | Orchids |
3. | Maize | 4. | Castor |
The hilum is a scar on the:
The aleurone layer in maize grain is especially rich in:
1. | Proteins | 2. | Starch |
3. | Lipids | 4. | Auxins |
The scutellum observed in a grain of wheat or maize is comparable to which part of the seed in other monocotyledons?
1. Cotyledon
2. Endosperm
3. Aleurone layer
4. Plumule
The wheat grain has an embryo with one large, shield-shaped cotyledon known as?
1. epiblast
2. coleorrhiza
3. scutellum
4. coleoptile
Which one of the following statements is correct?
1. | The seed in grasses is not endospermic |
2. | Mango is a parthenocarpic fruit |
3. | A proteinaceous aleurone layer is present in maize grain. |
4. | A sterile pistil is called a staminode. |