Cell organelle found only in plants is:

Tonoplast is a differentially permeable membrane surrounding the:

A. Mitochondria

B. Cytoplasm

C. Vacuole

D. Nucleus

Chlorophyll contains:

A. Mn

B. Fe

C. K

D. Mg

Organisms, which fix atmospheric nitrogen in the soil, are found among:

A. Mosses

B. Green algae

C. Soil fungi

D. Bacteria

Which of the following is a weed killer?

A. N.A.A.

B. 2,4-D

C. ABA

D. GA

In the nodules of roots in leguminous plants we find:

A. N2 producer bacteria

B. Denitrifying Bacteria

C. N2 fixing bacteria

D. Nitrifying bacteria