Fundamental Unit Of Life Test

Fundamental Unit Of Life

This is Fundamental Unit Of Life Test-02 for CBSE class 09 Science.. There are 15 questions in this test with each question having around four answer choices.

Questions & Answers

1
Eukaryotic cells have A Distinct nucleus B Nucleolus C nuclear membrane D Nucleoid
  • A
    (b) and (c) are correct
  • B
    All of these
  • C
    (a), (b) and (c) are correct
    Correct
  • D
    (a) and (b) are correct
2
The passage of water from a region of higher water concentration through a semi – permeable membrane to region of low water concentration is
  • A
    Diffusion
  • B
    osmosis
    Correct
  • C
    None of these.
  • D
    Both a and b
3
Which of the following is the largest cell organelle in plants
  • A
    Mitochondria
  • B
    Nucleus
  • C
    Golgi bodies
  • D
    plastid
    Correct
4
Which organelle is called the suicide bag of the cell
  • A
    Lysosome
    Correct
  • B
    Centrosome
  • C
    Golgi bodies
  • D
    Chloroplast
5
Which of the following acts as garbage disposal system of the cell?
  • A
    Lysosome
    Correct
  • B
    Golgi body
  • C
    Peroxisome
  • D
    Vacuole
6
Lysosomes are reservoirs of
  • A
    Hydrolytic enzymes
    Correct
  • B
    Secretory glycoprotein’s
  • C
    RNA
  • D
    Fat
7
Which is called the digestive bag?
  • A
    Lysosome
    Correct
  • B
    Centrome
  • C
    Mesosome
  • D
    Chromosome
8
A cell place in hypotonic solution will- .
  • A
    Shrink
  • B
    Swell up
    Correct
  • C
    Plasmolysis occurs
  • D
    No change
9
A solution having higher concentration than the cell is called-
  • A
    None of the above
  • B
    Isotonic
  • C
    Hypertonic
    Correct
  • D
    Hypotonic
10
Plasmolysis means- Breakdown of plasma membrane Shrinkage of cytoplasm (Ans) Shrinkage of nucleoplasm None of the above Plasmolysis is the shrinkage of cytoplasm due to movement of water from cell to surrounding medium having less water concentration.
  • A
    None of the above
  • B
    Shrinkage of cytoplasm
    Correct
  • C
    Shrinkage of nucleoplasm
  • D
    Breakdown of plasma membrane
11
In plant cells the ___________ perform the function of centrioles.
  • A
    Polar cap
    Correct
  • B
    Leucoplast
  • C
    Spindle fibres
  • D
    Stroma
12
Match the following with correct response. (1) Self-replicating organelle (2) Longest cell of human body (3) Coloured Plastid (4) Thread like structure inside nucleus (A) Neuron (B) Chromatin (C) Chromoplast (D) Mitochondria
  • A
    1-A, 2-C, 3-B, 4-D
  • B
    1-C, 2-B, 3-D, 4-A
  • C
    1-B, 2-D, 3-A, 4-C
  • D
    1-D, 2-A, 3-C, 4-B
    Correct
13
Plasma membrane is called semi-permeable A It allows entry of selective substance B It does not allow entry of any substance C It allows exit of selective substances D It allows entry only
  • A
    (b) and (c) are correct
  • B
    All of these
  • C
    (a), (b) and (c) are correct
  • D
    (a) and (c) are correct
    Correct
14
Which of the following is not the function of Golgi bodies?
  • A
    Protection to cell
    Correct
  • B
    Synthesis of lysosmes
  • C
    Formation of cell plate
  • D
    None of these
15
Chlorophyll is present in
  • A
    Struma
  • B
    Thylakoid
    Correct
  • C
    Cristae
  • D
    Matrix