Class 8 Cell Structure And Functions CBSE Questions & Answers

Class 8 · Cell Structure And Functions

This is Science Class 8 Cell Structure and Functions CBSE Questions & Answers. There are 15 questions in this test with each question having around four answer choices.

Questions & Answers

1
In multicellular organisms, the work is :
  • A
    performed by single cells.
  • B
    performed by undifferentiated cells.
  • C
    undivided
  • D
    divided
    Correct
2
Read the following statements :i) Cell wall is made up of living material.ii) Cell wall allows substances to pass freely.
  • A
    statement ii) is correct but i) is wrong
    Correct
  • B
    statement i) is correct but ii) is wrong
  • C
    both are correct
  • D
    both are wrong
3
Hydrolytic enzymes help in breaking down various materials so they are present in :
  • A
    mitochondria
  • B
    lysosomes
    Correct
  • C
    ribosomes
  • D
    chloroplast
4
Read the following statements :i) RBCs are the longest cell in the body.ii) RBCs are red due to the presence of haemoglobin.
  • A
    both are correct
  • B
    statement ii) is correct but i) is wrong
    Correct
  • C
    statement i) is correct but ii) is wrong
  • D
    both are wrong
5
The cell organelle found to be present in both prokaryotic and eukaryotic cells is :
  • A
    ribosome
    Correct
  • B
    lysosome
  • C
    mesosome
  • D
    all of them
6
Read the following statements :i) Muscles facilitate movements.ii) Muscles carry messages from different parts of the body to brain.
  • A
    statement i) is correct but ii) is wrong
    Correct
  • B
    statement ii) is correct but i) is wrong
  • C
    both are correct
  • D
    both are wrong
7
Cell grows in size by :
  • A
    removing foreign particles
  • B
    breaking down digested materials
  • C
    digesting food
    Correct
  • D
    repairing worn out parts
8
Read the following statements :i) Vacuole is filled with cell sap.ii) Vacuole is not bound by any membrane.
  • A
    statement i) is correct but ii) is wrong
    Correct
  • B
    both are correct
  • C
    statement ii) is correct but i) is wrong
  • D
    both are wrong
9
Which of the following group of cells need regular replacement in our body?
  • A
    liver cells
  • B
    nerve cells
  • C
    muscle cells
  • D
    blood cells
    Correct
10
Read the following statements :i) Fertilised egg divides to produce more number of cells.ii) Fertilised egg multiplies to increase the number of cells
  • A
    both are wrong
  • B
    statement ii) is correct but i) is wrong
  • C
    both are correct
    Correct
  • D
    statement i) is correct but ii) is wrong
11
The structure of a living organism is determined by :
  • A
    types of cells in its body
  • B
    size of cells in its body
  • C
    organisation of cells in its body
    Correct
  • D
    property of membrane that bounds cells in its body
12
Read the following statements :i)all life functions take place in the nucleus.ii) Nucleus stores genetic material.
  • A
    statement ii) is correct but i) is wrong
    Correct
  • B
    both are wrong
  • C
    statement i) is correct but ii) is wrong
  • D
    both are correct
13
Energy production in the cell is the responsibility of :
  • A
    mitochondria
    Correct
  • B
    endoplasmic reticulum
  • C
    ribosomes
  • D
    chloroplast
14
Read the following statements :i) skin cells keep dividing to heal injuries.ii) Injury in the nervous system is repaired by division in neurons.
  • A
    statement ii) is correct but i) is wrong
  • B
    both are correct
  • C
    statement i) is correct but ii) is wrong
    Correct
  • D
    both are wrong
15
Cell wall of bacteria contains:
  • A
    peptidoglycan
    Correct
  • B
    ribonucleic acid
  • C
    deoxyribonucleic acid
  • D
    phospholipid