Cell-Structure and Functions

Cell - Structure and Functions Worksheet-1

1. Some cells of our body can be over a foot long. These are:

(a) Nerve cells                               (b) Muscle cells

(c) Bone cells                                 (d) Gland cells

2. Blood is:

(a) Epithelial tissue                      (b) Muscle tissue

(c) Connective tissue                   (d) Nervous tissue

Cell - Structure and Functions Worksheet-2

1. The largest organelle in the cell is:

(a) Nucleus                                    (b) Mitochondria

(c) Golgi complex                         (d) Lysosomes

2. Arrange the following in the ascending order of the number of nuclei present in each of them. Brain cell, paramoecium, RBC of mammals.

(a) Paramoecium, brain cell, RBC of mammals

(b) RBC of mammals, brain cell, paramoecium

(c) Brain cell, RBC of mammals, paramoecium

(d) All of these have same number of nuclei, i.e., one

Cell - Structure and Functions Worksheet-3

1. Cheek cells are made up of:

(a) Muscle cells                             (b) Epithelial cells

(c) Nerve cells                               (d) Brain cells

2. Cell membrane is:

(a) Selectively permeable           (b) Impermeable

(c) Differentially permeable      (d) All of these