State whether the following statements are true (T) or false (F):

(a) All animal cells contain a cell wall.

(b) The cell wall is made of protein.

(c) Centrosome occurs in animal cells.

(d) Plant cells contain large vacuoles.

(e) Protoplasm is the part of the cell which surrounds the nucleus.

(f) Genes are located in chromosomes.

(g) Anthocyanin are the pigments of flowers, which are dissolved in cell-sap.

How many chromosome pairs are found in human cells?

Match the items in column ‘A’ with those in column ‘B’

Fill in the blanks

1. …………… consists of membranous sacs and secretes 40 types of digestive enzymes.
2. …………… is surrounded by microtubules, located near the nucleus.
3. Very thin flexible, living membrane which is differently permeable, is called …………… .
4. More than 1000 chromosomes are found in the nucleus of certain ……………
5. …………… are heredity units.
6. …………… is a plastid which stores starch.