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Cell: The Unit of Life (Class - XI)

Cell The Unit of Life

15 Questions Published
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Questions

Question 1 Multiple Choice (Single Answer)

Match the following:

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Type of bacterium Shape
a. Bacillus 1. Comma-shaped
b. Coccus 2. Rod-shaped
c. Vibrio 3. Spherical-shaped
  1. a - 1, b - 3, c - 2
  2. a - 3, b - 2, c - 1
  3. a - 2, b - 3, c - 1
  4. a - 2, b - 1, c - 3
  5. a - 1, b - 2, c - 3
Question 2 Multiple Choice (Single Answer)

Which of the following is not a property of prokaryotic cells?

  1. They are generally small in size.
  2. They vary in shape and size.
  3. They exhibit a wide variety of functions.
  4. They multiply slower than eukaryotic cells.
  5. They all have a cell wall surrounding the cell membrane, except in mycoplasma.
Question 3 Multiple Choice (Single Answer)

Which of the following cells are round and biconcave in shape?

  1. Red blood cells
  2. Nerve cells
  3. Whit blood cells
  4. Columnar epithelial cells
  5. Mesophyll cells
Question 4 Multiple Choice (Single Answer)

Which of the following structures in prokaryotic cell is semi-permeable in nature and interacts with the outside world?

  1. Plasma membrane
  2. Glycocalyx
  3. Mesosome
  4. Cell wall
  5. None of these
Question 5 Multiple Choice (Single Answer)

In most prokaryotic cells, the cell envelope consists of a tightly bound three-layered structure. Which of the following layers is/are not present in the cell envelope?

a. Cell wall
b. Glycocalyx
c. Golgi complex

  1. Only a
  2. Only a and b
  3. Only b
  4. Only b and c
  5. Only c
Question 6 Multiple Choice (Single Answer)

The cell wall of an algae is not made of

  1. cellulose
  2. mannans
  3. galactans
  4. calcium carbonate
  5. pectins
Question 7 Multiple Choice (Single Answer)

The cell membrane does not consist of which of the following?

a. Phosphoglycerides
b. Proteins
c. Carbohydrates
d. Vitamins

  1. Only a and b
  2. Only a and c
  3. Only b
  4. Only d
  5. Only b and c
Question 8 Multiple Choice (Single Answer)

Which of the following are present in animal cells, but absent in almost all plant cells?

a. Centrioles
b. Plastids
c. Central vacuoles

  1. Only a
  2. Only a and b
  3. Only b
  4. Only b and c
  5. Only c
Question 9 Multiple Choice (Single Answer)

Which of the following surface structures do(es) not play a role in the motility of bacteria?

a. Flagella
b. Pili
c. Fimbriae

  1. Only a
  2. Only a and b
  3. Only b
  4. Only b and c
  5. Only c
Question 10 Multiple Choice (Single Answer)

Which of the following statements regarding rough endoplasmic reticulum is/are false?

a. Rough endoplasmic reticulum is involved in protein synthesis and secretion.
b. Rough endoplasmic reticulum is extensive and continuous with the outer membrane of the nucleus.
c. Rough endoplasmic reticulum is the major site for synthesis of lipids.

  1. Only a
  2. Only a and b
  3. Only b
  4. Only b and c
  5. Only c
Question 11 Multiple Choice (Single Answer)

Match the following:

 
a. Chloroplasts 1. They are the colourless plastids of varied shapes and sizes with stored nutrients.
b. Chromoplasts 2. They contain fat soluble carotenoid pigments that give the plant a yellow, orange or red colour.
c. Leucoplasts 3. They contain chlorophyll and carotenoid pigments that are responsible for trapping light energy.
  1. a - 1, b - 2, c - 3
  2. a - 1, b - 3, c - 2
  3. a - 2, b - 3, c - 1
  4. a - 3, b - 1, c - 2
  5. a - 3, b - 2, c - 1
Question 12 Multiple Choice (Single Answer)

Which scientist was the first person to see and describe a living cell?

  1. Robert Brown
  2. Anton van Leeuwenhoek
  3. Matthias Schleiden
  4. Schwann
  5. Rudolf Virchow
Question 13 Multiple Choice (Single Answer)

Which of the following are not considered parts of the endomembrane system?

a. Golgi bodies
b. Mitochondria
c. Peroxisomes
d. Lysosomes

  1. Only a and b
  2. Only a and d
  3. Only b and c
  4. Only a and c
  5. Only b and d
Question 14 Multiple Choice (Single Answer)

Which of the following organelles is/are found in prokaryotic cells?

  1. Endoplasmic reticulum
  2. Golgi complex
  3. Lysosomes
  4. Ribosomes
  5. Mitochondria
Question 15 Multiple Choice (Single Answer)

Which of the following is an important site of formation of glycoproteins and glycolipids?

  1. Golgi apparatus
  2. Lysosome
  3. Contractile vacuole
  4. Mitochondrion
  5. Cytoskeleton
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