Reproduction in plant 2 (pollination)

Gynoecium consists of a group of carpels.

• True

• False

Flax,petunia & ______ are bisexual.

• Palms

• Wallflower

• Maize

• Pumpkins

Palms are unisexual cause it contain stamen & carpel.

• True

• False

______ are small cells formed in the anther inside the pollen chamber.

• Ovules

• Pollen grains

• Filaments

• Stamens

Types of pollination are _______ & _________.

• Self & auto pollination

• Mixed & cross pollination

• Self & cross pollination

Transfer of pollen grains from the anthers of a flower to the stigmas of another flower in the same plant is called ______ .

• Mixed pollination

• Auto pollination

The flower is bisexual and its anthers and stigmas are not maturated at the same time, such as _________, and the type of pollination occurs is _____.

• Maize , mixed pollination

• Flax plant , auto pollination

• Sunflower, cross pollination

• Barley, self pollination

Methods of cross pollination are ______,_______&______.

• By Mixed, by air & by insects

• By wind,by insects & artificial

• By self, by wind & artificial

Pollination by insects the stigmas must be feathery like and sticky.

• True

• False

In case of pollination by air pollen grains must be _______, while in pollination by insects pollen grains must be _______.

• Sticky or coarse surfaces, huge in number & light in weight

• Huge in number & light in weight , sticky or coarse surfaces

• Hanged , coloured