There are…….principal types of mycorrhizae.
a) two
b) three
c) four
d) five
Explanation: 1. Endomycorrhizae and 2. ectomycorrhizae
In which of the following type/s of mycorrhizae, the fungal hyphae penetrate the outer cells of the plant root?
a) endomycorrhizae
b) ectomycorrhizae
c) both a and b
d) none of them
In which of the following type/s of mycorrhizae, the fungal hyphae don’t penetrate the outer cells of the plant root?
a) endomycorrhizae
b) ectomycorrhizae
c) both a and b
d) none of them
Which of the following are the principal decomposers in biosphere?
a) bacteria
b) fungi
c) algae
d) both a and b
Explanation: saprophytes exceed in number than parasites in ecosystem
Which of the following are the scavengers of the earth?
a) fungi
b) algae
c) lichens
d) all of these
Which of the following food/s is/are spoiled by fungi?
a) bread
b) jams
c) cooked food
d) all of these
