Consider the following about Yeasts.

1) They are multi-cellular organisms.

2) They usually respire anaerobically.

3) During aerobic respiration, they yield alcohol.

Select the correct answer using the codes below.

If the root of a land plant remains waterlogged for long, the plant dies because

1) Roots are unable to transport minerals to the plant stem.

2) Roots can no longer store food and nutrients.

Which of the above is/are correct?

Consider the following about Protozoa.

1) They can be either free-living or parasitic.

2) They are not found in moist environments.

3) Their size spans from a minimum of 1 micrometer to a maximum of 1 millimetre

4) They lack mobility.

Select the correct answer using the codes below.

Consider the following statements about In-vitro fertilization.

1) It leads to irreversible genetic changes in the embryo.

2) It is prohibited in India unless accompanied by stringent regulation by district medical authorities.

Which of the above is/are correct?

Which of the following microorganisms can cause diseases in plants?

1) Protozoa

2) Bacteria

3) Fungi

4) Viroids and Viruses

5) Nematodes

Select the correct answer using the codes below.