Cell Class IX

The infoldings of the inner membrane of mitochondria are known as

• Stroma

• Grana

• Cristae

• Oxysome

The site of aerobic respiration, in an animal cell, is

• Ribosome

• Mitochondria

• Chloroplast

• Nucleus

Plasmolysis occurs due to

• Diffusion

• Endosmosis

• Exosmosis

• Absorption

The site of aerobic respiration, in an animal cell, is

• Ribosome

• Mitochondria

• Chloroplast

• Nucleus

Old organelles, viruses and bacteria that a cell can ingest are broken down in

• Ribosomes

• Lysosomes

• SER

• RER

A slide of human cheek cell is stained with methylene blue and mounted in glycerine. Which of the following cellular organelle would you be able to see under a microscope?

• Plasma membrane

• Cell wall

• Mitochondria

• Lysosome

What will happen, a when a human RBC is a placed in a hypotonic environment?

• It undergoes plasmolysis.

• It undergoes turgidity

• It is at equilibrium

• None of these

A cell “X” contains a cell wall, large central vacuole and a nucleus at the periphery. The cell “X” is _______.

• Plant cell

• Animal cell

• Bacterial cell

• Prokaryotic cell

The process of food intake by amoeba shown in the image is...

• Diffusion

• Exocytosis

• Endocytosis

• Osmosis

Mitosis produces two identical cells, while meiosis produces ……… unidentical cells.

• 2

• 4

• 6

• 8