Flowers are unisexual in:
1. Cucumber
2. China rose
3. Onion
4. Pea

Filiform apparatus is characteristic feature of:
1. Nucellar embryo
2. Aleurone cell
3. Synergids
4. Generative cell

The coconut water from tender coconut represents:
1. Free nuclear endosperm
2. Endocarp
3. Fleshy mesocarp
4. Free nuclear proembryo

Seed formation without fertilization in flowering plants involves the process of:
1. Apomixis
2. Sporulation
3. Budding
4. Somatic hybridization

Which one of the following in & generates new genetic combinations leading to variation?
1. Nucellar polyembryony
2. Vegetative reproduction
3. Parthenogenesis
4. Sexual reproduction

Match Column-I with Column-II and select the correct option using the codes given bel
Column-I Column-II
a. Pistils fused together (i) Gametogenesis
b. Formation of gametes (ii) Pistillate
c. Hyphae of higher Ascomycetes (iii) Syncarpous
d. Unisexual female flower (iv) Dikaryotic
Codes:
      a   b   c    d
1. (iii) (i) (iv) (ii)
2. (iv) (iii) (i) (ii)
3. (ii) (i) (iv) (iii)
4. (i) (ii) (iv) (iii)

Pollination in water hyacinth and water lily is brought about by the agency of
1. bats
2. water
3. insects or wind
4. birds

Which of the following is not a character of anemophilous flowers?
1. Pollens are light and non sticky
2. Stamens are well exposed
3. Have large, often feathery stigma
4. Have multiple ovules in each ovary

Which is the most common type of embryo sac in angiosperms?

1. Tetrasporic with one mitotic stage of division

2. Monosporic with three sequential mitotic divisions

3. Monosporic with two sequential mitotic divisions

4. Bisporic with two sequential mitotic divisions

Coconut water from a tender coconut is:
1. Free nuclear endosperm
2. Innermost layers of the seed coat
3. Degenerated nucellus
4. Immature embryo