ABHYAS | Self Learning | Testing Platform

Q.1

The cells were discovered by ____________________________, English scientist in 1665 .

A.

Robert hooke

B.

Peter

C.

Schwann and schleiden

D.

All of these .

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Q.2

Which cell organelle is known as the control centre of the cell?

A.

Nucleus

B.

Chloroplast

C.

mitochondria

D.

Endoplasmic retichlum

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Q.3

Which of the following are correct in the given options :

A.

Repair of an injury or regeneration of a lost part is due to cell divisions.

B.

Movement of the body is due to contractility of the cells or the cellular parts.

C.

Light is trapped by the leaf cells containing chloroplasts to produce food.

D.

All of these.

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Q.4

Plant cells have an additional protective wall outside the plasma membrane called ______________________ .

A.

Cell wall

B.

Cell membrane

C.

Cell

D.

None of these .

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Q.5

Who discovered Nucleus?

A.

Robert Hooke

B.

Robert Brown

C.

Robert Cook

D.

Purkinje

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Q.6

Mitosis is the process of cell division in which a cell divides to form _________________ daughter cells.

A.

Two

B.

Three

C.

Four

D.

None of these.

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Q.7

Bacterial cell wall is composed of _________________ .

A.

Cellulose

B.

Chitin

C.

Peptidoglycan

D.

Fructose

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Q.8

Identify the false sentences

A.

Golgi apparatus is involved with the formation of lysosomes.

B.

Nucleus, mitochondria and plastid have DNA; hence they are able to make their own structural proteins.

C.

Mitochondria is said to be the power house of the cell as ATP is generated in them.

D.

Cytoplasm is called as protoplasm

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Q.9

_____________ is/are the genetic material(s) in the humans beings

A.

RNA

B.

DNA

C.

Proteins

D.

All of these

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Q.10

The tips of the chromosomes are called __________________

A.

Centromere

B.

Genome

C.

Telomere

D.

Karyotype

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Attention !!!!!