Biology - Cell Biology

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Question - 1

Which of the following is correct sequence of the different phase of cell division?
1. Anaphase       2. Telophase
3. Prophase        4. Metaphase

  • A 3, 1, 4 and 2
  • B 1, 3, 2 and 4
  • C 3, 4, 1 and 2
  • D 1, 2, 3 and 4

Question - 2

Suicidal bag of cell is

  • A Lysosome
  • B Ribosomes
  • C Nucleosomes
  • D Golgi bodies

Question - 3

In the absence of ribosome un cell which of the following function does not takes place?

  • A Respiration
  • B Excretion
  • C Protein synthesis
  • D Carbohydrate synthesis

Question - 4

Cellular totipotent means

  • A Synthesis of new cells
  • B Formation of new species
  • C Formation of new plants 
  • D Capability of a plant cell to form complete plant

Question - 5

Consider the following statements regarding osmosis in animal cells
1. If the water potential of the solution surrounding the cell is too high, the cell shrinks.
2. If the water potential of the solution surrounding the cell is too low, the cell swells and bursts.
3. It is important to maintain a constant water potential inside the animal body.
4. In animal cells, water potential far exceeds the solute potential.
Which of the statements given above is/are correct?

  • A 1 and 2
  • B Only 3
  • C Only 4
  • D 2 and 3

Question - 6

Consider the following statements.
1. Mitochondria is also called Power House of the Cell.
2. Mitochondria are storehouses of ATP.
3. Energy currency of cell is ATP.
4. Krebs' cycle takes place in mitochondria.
Which of the statements above are false?

  • A 1 and 2
  • B 2 and 3
  • C 1, 2, 3 and 4
  • D None of these

Question - 7

Which of the following feature of DNA make if unequally suited to store and transmit genetic information from generation to generation?

  • A Complementary of the two strands 
  • B Double helix
  • C Number of base pairs per turn
  • D Sugar-phosphate backbone

Question - 8

Which of the following phase is the longest phase in the meiotic cell division?

  • A Anaphase-II
  • B Telophase-I
  • C Prophase-I
  • D Metaphase-I

Question - 9

Which one the following organelles is the smallest membrane-bound organelle?

  • A Ribosome
  • B Golgi bodies
  • C Lysosome
  • D Nucleolus

Question - 10

'Fluid Mosaic Model' proposed by Singer and Nicholson is mainly concerned with

  • A Ribosome
  • B Cytoplasm
  • C Cell wall
  • D Plasma membrane