1. What is a Cell?

Question 1

Cellular organisation is a defining feature of all living organisms.
T/F

Answer 1

True

Question 2

An inanimate [non-living] thing does not have ____ which a living thing has.

Answer 2

Presence of the basic unit of life [Cell] in all living organisms.

Question 3

Cell is ____, ____ and ____ unit of organisms.

Answer 3

fundamental; structural; functional

Question 4

Billions of cells in our body are formed from division started in a single-celled called Zygote.
T/F

Answer 4

True

Question 5

All metabolic reactions occur inside the cell.
T/F

Answer 5

True

Question 6

Viruses are not considered ‘Living’ as they lack cellular organisation.
T/F

Answer 6

True

Question 7

Cells can unite & make bodies of multicellular organisms like higher plants and animals.
T/F

Answer 7

True

Question 8

Body containing

a. Single cells are called
b. Many cells are called

Answer 8

a. Unicellular
b. Multicellular

Question 9

Unicellular organisms are capable of:

a. ____ (independent/dependent) existence
b. Perform all ____ (essential/non-essential) functions of life.

Answer 9

(i) independent existence and
(ii) performing the essential functions of life.

Question 10

Anything less than a complete structure of a cell does not ensure independent living.
T/F

Answer 10

True

Question 11

______ discovered the Cell.

Answer 11

Robert Hooke

Question 12

Robert Hooke discovered ______ (live/died) cork cells.

He actually observed the cell wall.
(T/F)

Answer 12

Died Cork cell
True

Question 13

______ first saw and described a live cell.

Answer 13

Anton Von Leeuwenhoek

Question 14

____ discovered the nucleus.

Answer 14

Robert Brown

Question 15

The structural details of a cell were revealed after the discovery of ____ microscope.

Answer 15

Electron Microscope