Symbiosis

Q.

What is Mycorrhiza?

Q.

Which type of nutrition is shown by lichen?

Q. Lichens and mycorrhiza are examples of mutualism.
In lichens and mycorrhiza, the organism that provides mineral nutrients to their partner

A. is heterotrophic
B. is eukaryotic
C. has cell wall made up of proteins
D. is autotrophic
E. is prokaryotic

Select the correct option.

1. C, D and E
2. A, B and C
3. D and E
4. A and B

Q. Assertion :- Mycorrhizal association is useful for plants.
Reason :- All fungi do not show mycorrhizal association.

1. Both assertion and reason are true and the reason is a correct explanation of the assertion
2. Both assertion and reason are true but the reason is not the correct explanation of the assertion
3. The assertion is true but the reason is false
4. Both assertion and reason are false

Q.

Does Rhizobium prevent the plant from getting pesticide resistant?

Q. Mycorrhiza is an example of:

1. Symbiotic relationship of algae and fungi
2. Symbiotic relationship of fungi in roots of higher plant
3. Symbiosis of fungi and animals
4. Symbiosis of algae and sloth bear

Q.

Which one of the following is an algae?

1. Mucor

2. Lichen

3. Mushroom

4. Spirogyra

Q. Frankia fixes nitrogen symbiotically in:

1. Alnus
2. Sweet pea
3. Sweet clover
4. Lentils

Q. Mycorrhiza is an example of:

1. Symbiotic relationship of algae and fungi
2. Symbiotic relationship of fungi in roots of higher plant
3. Symbiosis of fungi and animals
4. Symbiosis of algae and sloth bear