STD 11 - 2. Biology classification — NEET STD 11 Science — Question

Growth is a

Statement I: Two hydrogen bonds are present between A and T while three hydrogen bonds are present between G and C.
Statement II: In B DNA rise per base pair would be 34A°.

They are chemically identical.

Deposition of new materials inside the cell wall of cells starts in

Which one possess characters of both plants and animals

Which pigment is present universally in all green plants

Match the following cell structure with its characteristic feature:

(a) Tight junctions	(i) Cement neighbouring cells together to form sheet
(b) Adhering junctions	(ii) Transmit information through chemical to another cells
(c) Gap junctions	(iii) Establish a barrier to prevent leakage of fluid across epithelial cells
(d) Synaptic junctions	(iv) Cytoplasmic channels to facilitate communication between adjacent cells

Select correct option from the following:

Statement I: Spread of living pteridophytes is unlimited and found in all geographical regions.
Statement II: Prothallus require cool, damp, shady places to grow and the need for water for fertilization.