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Cell structure and functions

Total questions: 24

Worksheet time: 13mins

Name
Class
Date
1.

Who observed slices of cork under a simple magnifying device?

a)

Robert hooke.

b)

William Nicholson

2.

Organisms made of more than one cell are called as ________

a)

Multicellular

b)

Single cell

c)

Unicellular

3.

The projections of varying lengths protruding out of its body. These are called _______

a)

Tissues

b)

Pesudopodia

4.

A white blood cell is an example of _______

a)

Single cell

b)

Unicellular

c)

Multicellular

5.

________celled organisms perform all the necessary functions that_____________ organisms perform.

a)

Multicellular, single

b)

Tissues, single

c)

Single, multicellular

6.

The smallest cell is ___to ___micrometer

a)

00.1,00.13

b)

0.1,0.5

7.

Each organ is further made up of smaller parts called_____

a)

Human cheek cells

b)

Cell wall

c)

Tissues

8.

The boundary of the onion cell is the ________.

a)

Cell membrane

b)

Nucleus

9.

The central dense round body in the centre is called the _______.

a)

Nucleus

b)

Gene

10.

The jelly like substance between the nucleus and the membrane is called_______.

a)

Cytoplasm

b)

Cell wall

11.

The outer thick layer in cells of plants are called _______

a)

Cell wall

b)

Organelles

12.

Nucleus is separated from the cytoplasm by a membrane called the ______

a)

Chromosome

b)

Nucleolus

c)

Nuclear membrane

13.

A smaller spherical body in the nucleus .it is called the_____

a)

Nucleolus

b)

Gene

14.

The cell having nuclear material without nuclear membrane are termed as (a)  

15.

Genes are located in

a)

Chromosomes

b)

Cytoplasm

16.

Cell walls is found in

a)

Only human cells

b)

Only plant cells

c)

Only Animal cells

17.

Other name for cell membrane

a)

Plasma membrane

b)

Cell wall

c)

Nuclear membrane

18.

Cells having well organised nucleus with a nuclear membrane are designated as

a)

Eukaryotic cells

b)

Prokaryotic cells

19.

Muscle cells are branched

a)

True

b)

False

20.

While observing the onion cells under microscope,what is the blank looking structure called______

a)

Vacuole

b)

Plastids

21.

_______ is called the living substance of the cell.

a)

Protoplasm

b)

Nucleus

22.

Cell wall have plant cell ____ and animal cell _____

a)

Absent , present

b)

Present, present

c)

Present, absent

23.

Nuclear membrane and nucleus are having both animal cell and plant cell

a)

True

b)

False

24.

Green coloured plastids are called______

a)

Chloroplasts

b)

Plastids

c)

Vacuole