Plant Kingdom — BIO BOTANY STD 11 — Question

Indicate the correct statements:
(i) Root pressure is absent in gymnosperms.
(ii) Root pressure in totally absent in angiosperms.
(iii) There is a relationship between the ascent of sap and root pressure.
(iv) There is no relationship between the ascent of sap and root pressure.

Which of the following statements are correct?
(i) Cell membranes allow water and non polar molecules to permeate by simple diffusion.
(ii) Polar molecules like amino acids can also diffuse through membrane.
(iii) Smaller molecules diffuse faster than larger molecules.
(iv) Larger molecules diffuse faster than smaller molecules.

Lamina of leaf is called as …………… .

Which is not a monocotyledon character?

Ribose – 5 – phosphate and its derivatives are used in the synthesis of:

The size of TMV is …………… .

Indole Acetic Acid (IAA) is a:

Collateral bud is a …………… bud.

The discovery of ATP was made by:

Which is not a function of stem?