The Cell — Unit Of Life Mock Tests

34 questions available

The Cell — Unit Of Life Mock Test 1

Questions: 30

The Cell — Unit Of Life Mock Test 2

Questions: 4

Sample Questions

Class 9 Science

The cell membrane is:

A Semi-permeable

B Fully permeable

C Impermeable

D Non-selective

Class 11 Biology

Mitochondria are considered the "powerhouse of the cell" because they are the site of:

A Protein synthesis

B ATP synthesis by oxidative phosphorylation

C DNA replication

D Lipid degradation

Class 11 Biology

Which of the following structures is unique to plant cells and absent in animal cells?

A Cell wall, chloroplasts, and large central vacuole

B Nucleus and mitochondria

C Endoplasmic reticulum and Golgi apparatus

D Plasma membrane and ribosomes

Class 11 Biology

Which of the following statements about the cell membrane is consistent with the Fluid Mosaic Model proposed by Singer and Nicolson (1972)?

A The membrane is a rigid structure with fixed positions for proteins and lipids

B Proteins are embedded in a fluid lipid bilayer and can move laterally within the membrane

C Lipids are immobile while proteins form a continuous layer on both surfaces

D The membrane consists of a protein-lipid-protein trilayer that is rigid and stable

Class 11 Biology

Which of the following statements about the plasma membrane is correct?

A It is composed of a phospholipid bilayer with embedded proteins in a fluid mosaic arrangement

B It consists of a single layer of phospholipids with cholesterol on the outer surface

C It is made of cellulose and provides rigid structural support to the cell

D It is a protein layer surrounded by a carbohydrate monolayer

Class 11 Biology

Which cell organelle contains enzymes responsible for oxidative reactions that produce hydrogen peroxide (H₂O₂) as a byproduct, and subsequently breaks down H₂O₂ into water and oxygen?

A Lysosome

B Peroxisome

C Golgi apparatus

D Mitochondrion

Class 11 Biology

Which of the following lipids is the most abundant component of the plasma membrane?

A Glycolipids

B Phospholipids

C Cholesterol

D Triglycerides

Class 9 Science

Which of the following is responsible for the transmission of hereditary characteristics?

A Proteins

B DNA

C Lipids

D Carbohydrates

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