Class 9 science ch 5 the fundamental Unit of life

The inner membrane of mitochondria is folded because

• It has no space inside

• It helps in transportation of material

• It increases the surface area

• It stores more food

Tags

NGSS.MS-LS1-2

Proteins are formed in

• Goli bodies

• Nucleus

• Plastids

• Ribosomes

Tags

NGSS.HS-LS1-1

The organelle that helps in the membrane biogenesis is

• Lysosome

• Golgi bodies

• Endoplasmic reticulum

• Ribosomes

The solution in which a cell will gain water by Osmosis is termed as as

• Isotonic solution

• Hypertonic

• Hypotonic solution

• Both a and b

The root hair observe water by the process called

• Diffusion

• Osmosis

• Endocytosis

• Plasmolysis

The animal cell which does not possess nucleus is

• egg of hen

• White blood cell

• Red blood cell

• Nerves cell

The nucleus of the cell was discovered by

• Robert Hooke

• Leeuwenhork

• Robert brown

• Purkinje

The plant cells are more rigid than the animal cell

• Cell wall

• Vacuoles

• Plastids

• Both a and b

The opening and closing of stomata is due to

• Sunlight

• Osmosis

• Plasmolysis

• Endocytosis

Tags

NGSS.MS-LS1-6

The cells with no membrane bound organelles,and the chromosomes are composed of only nucleus acids are

• Plant cell

• Animal cell

• Prokaryotic cell

• Eukaryotic cell