In ginger vegetative propagation occurs through:

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

Which of the following pairs is not correctly matched? 

1. a
2. b
3. c
4. d

Flowers are unisexual in?

1. Pea 

2. Cucumber

3. China rose

4. Onion

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

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

1.  Vegetative reproduction

2.  Parthenogenesis

3.  Sexual reproduction

4.  Nucellar polyembryony

Which one of the following statements is not correct?

"All organisms have to reach a certain stage of maturity and growth, before they can reproduce sexually”. How many of the following is true for above statement?

(I)   It is known as juvenile phase.

(II)  It is known as vegetative phase in plants.

(III) It is of different duration in different organisms.

(IV) It is of same duration in different organisms.

Options :

1. 4                                     

2. 3                                     

3. 2                                     

4. 1

Mark the mis-matched pair

1. Polycarpic plants - Recovery phase

2. Offset - Water hyacinth

3. Marchantia - Monoecious plant

4. Bulbil - Agave

Gamete formation always occurs in

(i) Sexual reproduction.
(ii) Asexual reproduction.
(iii) Parthenogenesis.

1. (i) only
2. (i), (ii), (iii)
3. (i) and (iii) only
4. (i) and (ii) only