Question types

PART - 1 - Unit III : CH - 8 Cell: The Unit of Life question types

151 questions across 9 question groups — pick any mix to generate a BIOLOGY paper with step-by-step answer keys.

151
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9
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5
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Sample Questions

PART - 1 - Unit III : CH - 8 Cell: The 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.

Which of the following is correct:
  • Cells of all living organisms have a nucleus.
  • B
    Both animal and plant cells have a well defined cell wall.
  • C
    In prokaryotes, there are no membrane bound organelles.
  • D
    Cells are formed de novo from abiotic materials.

Answer: A.

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Which of the following is not correct?
  • Robert Brown discovered the cell
  • B
    Schleiden and Schwann formulated the cell theory.
  • C
    Virchow explained that cells are formed from pre-existing cells.
  • D
    A unicellular organism carries out its life activities within a single cell.

Answer: A.

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Hydrolytic enzymes of lysosome are capable of digesting which of the following:
  • A
    Carbohydrate
  • B
    Protein and lipid
  • C
    Nucleic acid
  • All of these

Answer: D.

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How do neutral solutes move across the plasma membrane? Can the polar molecules also move across it in the same way? If not, then how are these transported across the membrane?
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What is a centromere? How does the position of centromere form the basis of classification of chromosomes. Support your answer with a diagram showing the position of centromere on different types of chromosomes.
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Column-IColumn-II
A. Contractile vacuole(i) Lipid synthesis and storage
B. Food vacuole(ii) Stored oils and fats
C. Leucoplast(iii) Osmotic regulation
D. Spherosomes(iv)Contains digestive enzymes
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Column-IColumn-II
A. Ribosome(i) Hydrolytic enzyme
B. Mitochondria(ii) In the formation of
C. Lysosomeme(iii) Engine of the cell
D. Golgi body(iv) Power house of the cell
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Column-IColumn-II
A. Metacentric(i) At the top
B. Submetacentric(ii) Near the very top
C. Acrocentric(iii) In the middle
D. Telocentric(iv) Slightly away from the centre
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Name two cell-organelles that are double membrane bound. What are the characteristics of these two organelles? State their functions and draw labelled diagrams of both.
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