Mention whether the following statements are True (T) or False (F)

1. Plumule is the future root and radicle is the future shoot of the plant.
2. Micropyle serves for the emergence of the radicle.
3. Cotyledons in castor are a big store of food for the embryo.
4. Maize grain has a large endosperm.
5. Tegmen is the outermost layer of the seed.

Fill in the blanks by choosing the correct alternative

1. In a dry seed, the embryo is in …………… state. (active/quiescent)
2. Water is absorbed by the seed mainly through …………… . (entire surface/micropyle)
3. Very low temperature …………… the growth of embryo. (inhibits/destroys)
4. Germination in Pea is …………… . (epigeal/hypogeal)
5. Coleoptile is a part found in the germinating …………… . (castor/maize)
6. Alkaline pyrogallic acid is used for absorbing …………… during experiments on germination. (oxygen/carbon dioxide)

Seeds sown very deep in the soil fail to germinate because they

1. cannot exert enough force to push the soil upward.
2. do not get enough sunlight.
3. get too much water.
4. do not get enough oxygen.

Fruit is a ripened :

1. Ovary
2. Embryo
3. Ovule
4. Zygote