Available Answers

1. 1.

   Tick mark (√) the correct answers in the following

   1. Seeds are produced from:
      1. Anthers
      2. Pollen grains
      3. Ovules
      4. Ovary
   2. A plant embryo consists of:
      1. Plumule and cotyledons
      2. Plumule and radicle
      3. Cotyledons and embryonal axis
      4. Radical, embryonal axis and cotyledons
   3. Which one condition is not necessary for germination?
      1. Temperature
      2. Water
      3. Carbon dioxide
      4. Oxygen
   4. Epigeal germination is found in:
      1. Bean seed
      2. Pea seed
      3. Maize grain
      4. Rhizophora plant.
2. 2.

   Define seed.

3. 3.

   Name the two categories of seeds with examples.

4. 4.

   What is the biological importance of seeds to a plant?

5. 5.

   Name the following

   1. A seed in which cotyledons are thin and membranous and endosperm persists.
   2. A distinct whitish oval scar on the concave side of the seed.
   3. The region of the embryo below the cotyledons.
   4. A stage of the growth of a plant from the seed before it has become wholly independent of the food stored in it.
   5. The type of germination in which seed germinates inside the fruit while it is still attached to the parent plant.
6. 6.

   1. When an ovule is fertilized, the resulting cells divide and glow into a
      1. carpel
      2. zygote
      3. fruit
      4. fruit containing seeds
      5. seed
   2. In a seed, food is generally stored in
      1. the radicle
      2. the cotyledons or endosperm
      3. the plumule
      4. the cotyledons and testa
      5. the micropyle and seed coat