Mycorrhizae

Q.

What is the role of microorganisms in crop production?

Q.

Vesicular Arbuscular Mycorrhiza(VAM) is important for:

1. breaking of dormancy

2. phosphate nutrition

3. water uptake

4. retarding flowering

Q. Mycorrhiza does not help the host plant in

1. enhancing its phosphorus uptake capacity
2. increasing its tolerance to drought
3. enhancing its resistance to root pathogens
4. increasing its resistance to insects

Q.

Fungal partners in mycorrhiza are ______ in nature.

1. parasitic

2. symbiotic

3. saprophytic

4. None of these

Q. Mycorrhiza does not help the host plant in

1. enhancing its phosphorus uptake capacity
2. increasing its tolerance to drought
3. enhancing its resistance to root pathogens
4. increasing its resistance to insects

Q.

Which one of the following microbes forms symbiotic association with plants and helps in their nutrition?

1. Glomus

2. Trichoderma

3. Azotobacter

4. Aspergillus