[" Mechunicul properties of sclerenchyma is duc "],[" to "],[" 4.Cellulose "],[" b.Lignin "],[" c.Pectin "],[" d.Cutin "]

The cell wall of Spirogyra is made up of (a) Cellulose (b) Suberin (c) Lignin (d) Chitin

The cell wall of Spirogyra is made up of (a) Cellulose (b) Suberin (c) Lignin (d) Chitin

Which of the following polymers of glucose is stored by animals? a. Cellulose b. Amylose c. Amylopectin d. Glycogen

State the component of fungal cellulose. (A) Chitin (B) Cellulose (C) Chitin + Polysaccharides (D) Chitin + Cutin

This section contains Assertion (A) and Reason (R ) type questions. Each questions has (1), (2), (3), and (4) out of which only one is correct. Assertion (A) Green algae are ancestore of land plants. Reason (R ) This is because of similar chlorophyll – a and b, carotenoids, cellulose and pectin in cell wall, flagella in motile forms.

Endothecial cells of anther has fibrous thickenings of (a) Suberin (b) Cellulose (c) Cutin (d) Lignin

Walls of sclerenchyma are (a) Rigid (b) Lignified (c) Pectinized (d) Suberized

Using properties of determinants prove the following. abs[[b+c,a,a],[b,c+a,b],[c,c,a+b]]=4abc

Collenchyma differs from parenchyma in having (a) Living protoplasm (b) Cellulose walls (c) Vaculoes (d) Pectin and cellulose deposites at corners

Consider the following statements with respect to pollen grains (a) Exine is thin, continuous layer made up of cellulose and pectin (b) Hard outer layer called exine is made of sporopollenin (c) Sporopollenin is present in germ pores (d) Exine exhibits a fascinating array of patterns and designs. Of the above statements