Reproduction in Plants

Reproduction through spore formation takes place in

• Algae

• Fern

• Yeast

• Fungi

The plants which have unisexual flowers are

• Pumpkin

• Ridged Guard

• Bottle Guard

• All of the above

Select the statements that is true

• Pollen grains forms seeds ; Anther forms fruit

• Ovary forms seeds ; Ovules form fruit

• Ovary forms fruit ; Ovules form seeds

• Pollen grains forms fruit ; Anther forms seeds

What is the upper part known as in the process of grafting?

• Root stock

• Scion

• Wrap

• Bud

The cell which results after fusion of the gametes is called

• Embryo

• Spores

• Zygote

• Pistil

The transfer of pollen from the anther to the stigma of a flower is called

• Fragmentation

• Fertilization

• Pollination

• Reproduction

Vegetative part involved in reproduction of dahlia

• Stem

• Roots

• Flowers

• None of these

In onion and garlic, new plants are produced from

• Subaerial stems

• Leaf bud

• Tubes

• Bulbs

Which of the following statements is/are true for sexual reproduction in plants?

(i) Plants are obtained from seeds

(ii) Two plants are always essential

(iii) Fertilisation can occur only after pollination

(iv) Only insects are agents of pollination

• ALL

• (i), (ii) and (iii)

• (i) and (iii)

• Only (i)

When the pollen grain of a flower lands on the stigma of a flower of a different plant of the same kind, it is called _____ pollination.

• Self

• Cross

• Flower

• None of the above