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
It is difficult to view cells in a:
  • A
    all of them
  • B
    stained section
  • C
    thick section
    Correct
  • D
    thin section
2
Read the following statements :i) In multicellular organisms cells are different in their shapes.ii) difference in cell shapes is related to their location.
  • A
    both are correct
  • B
    statement i) is correct but ii) is wrong
    Correct
  • C
    both are wrong
  • D
    statement ii) is correct but i) is wrong
3
Projections appear and disappear as Amoeba :
  • A
    respires
  • B
    feeds
  • C
    both moves & feeds
    Correct
  • D
    moves
4
Chromosomes become visible when the cell :
  • A
    respires
  • B
    divides
    Correct
  • C
    digests food
  • D
    captures food
5
Read the following statements :i) Plasma membrane separates one cell from the other.ii) Plasma membrane allows movement of materials both outwards and inwards.
  • A
    both are wrong
  • B
    statement i) is correct but ii) is wrong
  • C
    statement ii) is correct but i) is wrong
  • D
    both are correct
    Correct
6
Each cell is :
  • A
    self maintaining
  • B
    self contained
  • C
    both self-contained & self-maintaining
    Correct
  • D
    non specialised
7
Read the following statements :i) Nucleus controls all functions of a cell.ii) Nucleus is present inside nucleolus.
  • A
    statement i) is correct but ii) is wrong
    Correct
  • B
    both are wrong
  • C
    both are correct
  • D
    statement ii) is correct but i) is wrong
8
Plasmid can provide:
  • A
    resistance to antibiotics
    Correct
  • B
    resistance to antidotes
  • C
    resistance to viruses
  • D
    resistance to antiserum
9
Read the following statements :i) Cell extracts energy from inorganic molecules.ii) Cell extracts energy from organic molecules.
  • A
    statement i) is correct but ii) is wrong
  • B
    statement ii) is correct but i) is wrong
    Correct
  • C
    both are correct
  • D
    both are wrong
10
Division of labour is a characteristic feature of :
  • A
    unicellular organisms
  • B
    all of them
  • C
    viruses
  • D
    multicellular organisms
    Correct
11
Read the following statements :i) Hydrophobic fat molecules are present in plasma membrane.ii) plasma membrane allows movement of only selective materials.
  • A
    both are correct
    Correct
  • B
    statement i) is correct but ii) is wrong
  • C
    statement ii) is correct but i) is wrong
  • D
    both are wrong
12
Chromosomes float freely in the cytoplasm of a/an :
  • A
    yeast cell
  • B
    plant cell
  • C
    animal cell
  • D
    bacterial cell
    Correct
13
Read the following statements :i) Protoplasm is the living substance of cell.ii) Protoplasm includes cytoplasm and blood plasma.
  • A
    statement i) is correct but ii) is wrong
    Correct
  • B
    both are wrong
  • C
    both are correct
  • D
    statement ii) is correct but i) is wrong
14
Large vacuoles can be seen within :
  • A
    prokaryotic cell
  • B
    plant cell
    Correct
  • C
    animal cell
  • D
    both plant cell & prokaryotic cell
15
Read the following statements :i) Chloroplasts are found in non green parts of plant. ii)Chloroplasts help the plant in preparing lipids.
  • A
    both are correct
  • B
    statement i) is correct but ii) is wrong
  • C
    both are wrong
    Correct
  • D
    statement ii) is correct but i) is wrong