Introduction to Reproduction

Q.

How does reproduction help in providing stability?

Q.

Recognise the type of reproduction depicted in the following images.

1. Fragmentation, Binary fission, Gametes, Budding

2. Budding, Binary fission, Gametes, Fragmentation

3. Fragmentation, Gametes, Binary fission, Budding

4. Binary fission, Fragmentation, Gametes, Budding

Q. Study the following figures and select the correct statements regarding them.


i. A shows mode of asexual reproduction in sponges through internal buds.
ii. B shows sexual reproduction through zoospores in Chlamydomonas.
iii. C shows vegetative reproduction through conidiospores in Chara.
iv. D shows external budding in Sycon.

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

Q.

During sexual reproduction, new gene combinations are introduced into the population through genetic recombination.

1. True

2. False

Q. Which of the following processes cannot introduce variations in the population?

Q.

In most non-mammalian vertebrates, the reproductive products (i.e. sperm, eggs, embryos) leave the body by way of_________

1. reproductive pore

2. genital duct

3. cloaca

4. ejaculatory duct