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Cell and Cell Structure

This test is standardised achievment test in biology suitable for the students of cbse,icse and all other boards of class 7 and also useful for the students of different competitions and olympiads.

20 Questions Published
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Questions

Question 1 Multiple Choice (Single Answer)

Which of the following is a non-membranous organelle of a cell?

  1. Ribosome
  2. Endoplasmic reticulum
  3. Nucleus
  4. Chloroplast
  5. Mitochondria
Question 2 Multiple Choice (Single Answer)

The term cell was coined by

  1. Anton won Leeuwenhoek
  2. Robert Hooke
  3. M. Schleiden
  4. Theodor Schwann
  5. Rudolf Virchow
Question 3 Multiple Choice (Single Answer)

Which of the following statement is false?

  1. When a cell divides, two identical cells are formed.
  2. Cells must divide for growth.
  3. A cell must have a nucleus to divide.
  4. All cells can divide or repair themselves.
  5. Cells divide to reproduce.
Question 4 Multiple Choice (Single Answer)

Which of the following statements defines cell membrane?

  1. It gives plants cells extra strength and also a shape.
  2. A large sugary liquid filled space in a plant cell.
  3. It controls the cell's activities.
  4. Most of the liquid in an animal cell.
  5. The thin outer layer of an animal cell.
Question 5 Multiple Choice (Single Answer)

The centrosome contains how many centrioles?

  1. Four centrioles
  2. Two centrioles
  3. One centriole
  4. Three centrioles
  5. Zero centrioles
Question 6 Multiple Choice (Single Answer)

What will happen if the ribosomes of a cell are destroyed?

  1. Fats will not be stored.
  2. Proteins will not be formed.
  3. Cell wall will not form.
  4. Respiration will not take place.
  5. Photosynthesis will not take place.
Question 7 Multiple Choice (Single Answer)

The green pigment in the chloroplast is present in which of its part?

  1. Cristae
  2. Cisternae
  3. Grana
  4. Stroma
  5. Centrioles
Question 8 Multiple Choice (Single Answer)

Which of the following statements is correct?

  1. Hooke was first to observe living cells and introduce the word cell to describe them.
  2. Brown, Schleiden and Schwann, all working independently, were the first to propose cell theory.
  3. Rudolf Virchow was the first to propose that 'all cells arise from other cells'.
  4. Leeuwenhoek was the first to observe unicellular organisms in pond water.
  5. Theodor Schwann observed plant parts and concluded that all plant parts were made up of cells.
Question 9 Multiple Choice (Single Answer)

Which of the following statements is not stated in cell theory?

  1. Cells are the basic structural units of living organisms.
  2. New cells are formed due to division in old cells.
  3. All cells are identical.
  4. The way an organism functions depends on the way the cells work.
  5. The organisation of cells in the body of a living organism determines its structure.
Question 10 Multiple Choice (Single Answer)

Which of the following organelle is not bound by a membrane?

  1. Nucleus
  2. Mitochondria
  3. Ribosomes
  4. Chloroplast
  5. Vacuole
Question 11 Multiple Choice (Single Answer)

If living cells similar to those found on earth were found on another planet where there is no oxygen, which cell organelle would most probably be absent?

  1. Ribosomes
  2. Cell membrane
  3. Chromosomes
  4. Mitochondria
  5. Lysosomes
Question 12 Multiple Choice (Single Answer)

In a dividing cell, which of the following forms thread like structures?

  1. Chromosomes
  2. Genes
  3. Centriole
  4. Chromoplast
  5. Chromatin material
Question 13 Multiple Choice (Single Answer)

Which of the following is/are responsible for the origin of lysosomes?

  1. Chloroplasts
  2. Mitochondria
  3. Golgi bodies
  4. Ribosomes
  5. Cell membrane
Question 14 Multiple Choice (Single Answer)

Why do green tomatoes turn red?

  1. New chloroplasts are made.
  2. Chloroplasts are disintegrated and converted into chromoplasts.
  3. Chromoplasts are changed into chloroplasts.
  4. Leucoplasts are converted into chromoplasts.
  5. Chloroplasts are converted into leucoplasts.
Question 15 Multiple Choice (Single Answer)

Which of the following is not associated with plastids?

  1. Carotene
  2. Chlorophyll
  3. Xanthophyll
  4. Anthocyanin
  5. Leucoplast
Question 16 Multiple Choice (Single Answer)

Which of the following cell organelles are called dictyosomes in a plant cell?

  1. Ribosomes
  2. Golgi bodies
  3. Centrosomes
  4. Chromosomes
  5. Lysosomes
Question 17 Multiple Choice (Single Answer)

The function of the nucleolus in the cell is

  1. Initiates and regulates cell division
  2. Synthesis of DNA
  3. Synthesis of RNA and ribosomes
  4. Intracellular digetion
  5. Carry hereditary structures
Question 18 Multiple Choice (Single Answer)

Which of the following is not the function of the Smooth endoplasmic reticulum?

  1. Smooth ER gives support to the cytoplasm.
  2. Smooth ER is the site of steroid production and lipids.
  3. Smooth ER transports the proteins made on the ribosomes.
  4. Smooth ER acts as a storage site for calcium in skeletal muscle cells.
  5. Smooth ER contains enzymes that detoxify a wide variety of organic molecules in the cell.
Question 19 Multiple Choice (Single Answer)

Which one of the following organisms is not an example of eukaryotic cell?

  1. Amoeba proetus
  2. Yeast
  3. Paramoecium
  4. Escherichia coli
  5. Euglena viridis
Question 20 Multiple Choice (Single Answer)

Prokaryotic cell does not possess

  1. Cell wall
  2. Plasma membrane
  3. Nuclear membrane
  4. Ribosomes
  5. Chromosomes
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