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The Fundamental Unit of Life Science - The Fundamental Unit of Life

MP Board (MPBSE) - STD 9 - Science (Madhya Pradesh - English Medium). 619 questions in this chapter.

Question types

The Fundamental Unit of Life question types

619 questions across 8 question groups — pick any mix to generate a Science paper with step-by-step answer keys.

619
Questions
8
Question groups
5
Question types
Sample Questions

The Fundamental Unit of Life questions

One sample from each question group in this chapter. Select any group above to see the full set with answer keys.

Q 1M.C.Q. [1 M]1 Mark
The structure that are involved in the manufacture and supply of energy to the cell are:
  • A
    Centroies.
  • B
    Nucleoius.
  • C
    Pestide.
  • ✓
    Mitochondria.

Answer: D.

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Q 3M.C.Q. [1 M]1 Mark
$1 A^0$ is:
  • A
    $10^{-6} \mathrm{\sim m}$
  • B
    $10^{-9} \mathrm{\sim m}$
  • ✓
    $10^{-10} \mathrm{\sim m}$
  • D
    $10^{-3} \mathrm{\sim m}$

Answer: C.

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Q 6Assertion (A) & Reason (B) MCQ1 Mark
Assertion: Eduard $A$. Strasburger is a famous cytologist.
Reason: He related it to discovery of cell division and used the term nucleoplasm and cytoplasm.
  • ✓
    Both Assertion and Reason are correct and Reason is the correct explanation for Assertion.
  • B
    Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion.
  • C
    Assertion is correct but Reason is incorrect.
  • D
    Both Assertion and Reason are incorrect.

Answer: A.

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Q 7Assertion (A) & Reason (B) MCQ1 Mark
Assertion: The number of cells in a multicellular organism is inversely proportional to the size of the body.
Reason: All the cells in the biological world are of the same size.
  • A
    Both Assertion and Reason are correct and Reason is the correct explanation for Assertion.
  • B
    Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion.
  • C
    Assertion is correct but Reason is incorrect.
  • ✓
    Both Assertion and Reason are incorrect.

Answer: D.

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Q 8Assertion (A) & Reason (B) MCQ1 Mark
In each of the following questions, a statement of Assertion is given by the corresponding statement of Reason. Of the statements, mark the correct answer as:
Assertion: Robert Brown discovered nucleus.
Reason: Nucleoplasm and cytoplasm of a living cell together form the protoplasm.
  • A
    If both Assertion and Reason are true and Reason is the correct explanation of Assertion.
  • ✓
    If both Assertion and Reason are true but Reason is not the correct explanation of Assertion.
  • C
    If Assertion is true, but Reason is false.
  • D
    If Assertion is false, but Reason is true.

Answer: B.

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Q 9Assertion (A) & Reason (B) MCQ1 Mark
In each of the following questions, a statement of Assertion is given by the corresponding statement of Reason. Of the statements, mark the correct answer as:
Assertion: Lysosomes are often called as 'suicidal bags' of a cell.
Reason: Lysosomes contain hydrolytic enzymes capable of digesting cellular waste.
  • ✓
    If both Assertion and Reason are true and Reason is the correct explanation of Assertion.
  • B
    If both Assertion and Reason are true but Reason is not the correct explanation of Assertion.
  • C
    If Assertion is true, but Reason is false.
  • D
    If Assertion is false, but Reason is true.

Answer: A.

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Q 10Assertion (A) & Reason (B) MCQ1 Mark
In the following Questions, the Assertion and Reason have been put forward. Read the statements carefully and choose the correct alternative from the following:
Assertion: Cell is the structural and functional unit of all living organisms.
Reason: Anything less than the complete structure of a cell does not ensure independent living.
  • ✓
    Both the Assertion and the Reason are correct and the Reason is the correct explanation of the Assertion.
  • B
    The Assertion and the Reason are correct but the Reason is not the correct explanation of the Assertion.
  • C
    Assertion is true but the Reason is false.
  • D
    The statement of the Assertion is false but the Reason is true.

Answer: A.

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Q 32Que-Ans (Each of 3 Mark )3 Marks
If you are provided with some vegetables to cook. You generally add salt into the vegetables during cooking process. After adding salt, vegetables release water. What mechanism is responsible for this?
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