Mark the correct statement ( with respect to reproduction)

1. A biological process to produce new offsprings

2. Enables the continuity of the species, generation after generation

3. Incorporates genetic variations and makes the basis of evolution

4. More than one option is correct

Match column I with column II and select the correct option

  Column I                  Column II

a. Offest                    (i)

b. Tuber                    (ii) 

c. Rhizome               (iii) 

d. Bulbil                    (iv) 

1. a(i), b(iv), c(iii), d(ii)

2. a(i), b(iv), c(ii), d(iii)

3. a(iv), b(i), c(iii), d(ii)

4. a(i), b(ii), c(iii), d(iv)

Consider the following statements (a-d) about "terror Bengal"

a. An aquatic plant which can propagate vegetatively at a phenomenal rate

b. One of the most invasive weeds growing in standing water

c. It drains oxygen from water which leads to the death of fishes

d. It was introduced in Bengal because of its beautiful flowers and shape of fruits

Which of the above statements are correct?

1. b & d

2. a & d

3. a & b only

4. a, b & c

In angiosperms plants, embryogenesis

1. Refers to the process of development of zygote from embryo

2. Involves cell division and cell differentiation

3. Refers to the process of development of embryo from zygophore

4. Involves meiotic as well as mitotic divisions

Which of the following structure represents vital link between two successive generations?

1. Spore mother cell

2. Zygote

3. Antheridium

4. Zygophore

Term 'vegetative reproduction'  is frequently used in

1. Plants

2. Monerans

3. Animals

4. Both plants and animals

Select the odd one with respect to asexual reproduction

1. Need of both male and female parents

2. Produces a number of individuals

3. Rapid method

4. Absence of haploid - diploid alternation

Most vital event of sexual reproduction is

1. Embryogenesis

2. Essential for the fusion of gametes

3. Pollination

4. Development of fruits

Which of the following statement is correct?

1. Strobilanthus Kunthinan flowers once in 12 years

2. Formation of the diploid embryo is universal in all sexually reproducing organisms

3. In the majority of organisms, both male and female gametes are stationary

4. Sexual reproduction is an elaborate, complex and rapid process as compared to asexual reproduction

Match correctly with respect to mode of propagation

1. Adventitious bud      -  Potato tuber

2. Offset                       -  Lotus

3. Seed                        -  Cereal

4. Rhizome                  -  Terror of Bengal