Cell mcqs

Question 1

who invented the compound microscope?

Answer 1

Z.Janssen

Question 2

Who developed the electron microscope?

Answer 2

Knoll and Ruska

Question 3

The smallest cell in the living world is?

Answer 3

Mycoplasma

Question 4

“All living cells arise from pre existing cells” this theory was given by?

Answer 4

Rudolf virchow

Question 5

Cells are sometimes interconnected with?

Answer 5

Cell junctions

Question 6

What happens in hypotonic solutions?

Answer 6

ENDOosmosis

Question 7

What happens in hpertonic solutions?

Answer 7

EXOosmosis

Question 8

Bursting of a plant cell due to endosmosis is also called?

Answer 8

Haemolysation

Question 9

The shrinkage of the plasma membrane away from the cell wall is also called?

Answer 9

Plasmolysis

Question 10

Bursting of an animal cell due to endosmosis is also called?

Answer 10

Crenation

Question 11

Give one example of an isotonic solution

Answer 11

Ringers solution

Question 12

plant cell wall is made of ______, bacterial cell wall is made up of ______ and fungal cell wall is made up of ________.

Answer 12

cellulose, peptidoglycan (Murein), chitin (fungal cellulose).

Question 13

what is the functional unit of dna?

Answer 13

Genes

Question 14

______ is the fluid part of the cytoplasm

Answer 14

Cytosol

Question 15

Chromatin material is made up of _________.

Answer 15

DNA+Histone proteins

Question 16

Name double membrane bound organelles

Answer 16

Nuclues, Mitochondria, Plastids

Question 17

Name single membrane bound organelles

Answer 17

ER, Golgi apparatus, lysosomes and vacuoles

Question 18

Name some membraneless organelles

Answer 18

Ribosomes and centrosomes

Question 19

Er was discovered by?

Answer 19

Porter

Question 20

Where is ER absent?

Answer 20

Erythrocytes and prokaryotes

Question 21

What does the SER synthesise?

Answer 21

Lipds, Fats and Glocogen

Question 22

which organelle synthesises steroid hormones?

Answer 22

Smooth Endoplasmic reticulum

Question 23

In plant cells, golgi apparatus is present as single unit organelles called ________>

Answer 23

Dictyosomes

Question 24

Lysomes were discovered by?

Answer 24

Christian D duve

Question 25

Mitochondria was discovered by?

Answer 25

Koliker and Benda

Question 26

The inner membrane is deeply folded and forms ______.

Answer 26

Cristae

Question 27

Cristae is studded with rounded boundies known as _____. Also known as _________.

Answer 27

Oxysomes, F0,F1 particles

Question 28

What are the two semi autonomous organelles?

Answer 28

Mitochondria and Plastids

Question 29

Mitochondria is absent in ______.

Answer 29

Matyre mammalian RBCs, Prokaryotes and anaerobic eukaryotes