Reproduction in Plants and Animals

Total number of chromosomes in the gamete of fruit fly is 4.

Asexual reproductive structure found in sponges is called gemmule.

Strobilanthus kunthiana  flowers once in twelve years

The animals which lay eggs are called oviparous.

Production of fruits without fertilisation is called parthanocarpy.

Parthenogenesis is a regular phenomina in honey bee.

Pollination by bat is called chireptorophily.

Tapetum layer in microsporangium nourishes the pollengrains.

The plant which shows anemophily type of pollination is coconut.

Cows show oestrus cycle.

The hard outer layer of pollengrain called exine, is made up of sporopollenin.

Microspore mother cell have callose wall.

Kalanchoe vegitatively propagates by leaf pieces

The process of removal of anther for preventing self pollination is called emasculation.

Pollen tube enters the embryo sac through degenerated synergid.

Mango is a true fruit formed from ovary.

Pea is a non-albuminous seed.

Banana is a parthanocarpic fruit.

Zygote is formed by sexual reproduction and is not associated with asexual reproduction.

Ophioglossum has 1260 chromosomes.

Abscisic acid initiates and maintains dormancy in mature seeds

Polyembryoni is found in citus.

Transfer of pollengrains from the anther to the stigma of another flower of same plant is called geitonogamy.

The role of endosperm portion of seed is to nourish the embryo.