Reproduction in Organisms

Which one of the following generates new genetic combinations leading to variation?

1. Vegetative reproduction
2. Parthenogenesis
3. Sexual reproduction
4. Nucellar polyembryony

Match column I with column II and select the correct option using the codes given below.

1. (a)-(iv), (b)-(iii), (c)-(i), (d)-(ii)
2. (a)-(ii), (b)-(i), (c)-(iv), (d)-(iii)
3. (a)-(i), (b)-(ii), (c)-(iv), (d)-(iii)
4. (a)-(iii), (b)-(i), (c)-(iv), (d)-(ii)

Which of the following pairs is not correctly matched?

1. [figure]
2. [figure]
3. [figure]
4. [figure]

In ginger, vegetative propagation occurs through

1. bulbils
2. runners
3. rhizome
4. offsets.

Meiosis takes place in

1. gemmule
2. megaspore
3. meiocyte
4. conidia.

Product of sexual reproduction generally generates

1. new genetic combination leading to variation
2. large biomass
3. longer viability of seeds
4. prolonged dormancy.

Which one of the following is correctly matched?

1. Onion – Bulb
2. Ginger – Sucker
3. Chlamydomonas – Conidia
4. Yeast – Zoospores

Which one of the following pairs is wrongly matched while the remaining three are correct?

1. Penicillium – conidia
2. Water hyacinth – runner
3. Bryophyllum – leaf buds
4. Agave – bulbils

Which one of the following is monoecious?

1. Marchantia
2. Cycas
3. Pinus
4. Date palm

In oogamy, fertilization involves

1. a small non-motile female gamete and a large motile male gamete
2. a large non-motile female gamete and a small motile male gamete
3. a large non-motile female gamete and a small non-motile male gamete
4. a large motile female gamete and a small non-motile male gamete.