NCERT Class-9 Science Solutions: Chapter 5-the Fundamental Unit of Life Part 4 (For CBSE, ICSE, IAS, NET, NRA 2022)

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Question 21:

Lipid molecules in the cell are synthesized by

  1. Smooth endoplasmic reticulum
  2. Rough endoplasmic reticulum
  3. Golgi apparatus
  4. Plastids

Answer: A

Question 22:

Cell arises from pre-existing cell was stated by

  1. Haeckel
  2. Virchow
  3. Hooke
  4. Schleiden

Answer: B

Question 23:

Cell theory was given by

  1. Schleiden and Schwann
  2. Virchow
  3. Hooke
  4. Haeckel

Answer: A

Cell Theory

Question 24:

The only cell organelle seen in prokaryotic cell is

  1. Mitochondria
  2. Ribosomes
  3. Plastids
  4. Lysosomes

Answer: B

Question 25:

Organelle without a cell membrane is

  1. Ribosome
  2. Golgi apparatus
  3. Chloroplast
  4. Nucleus

Answer: A

Question 26:

is

Answer: A

Question 27:

Lysosome arises from

  1. Endoplasmic reticulum
  2. Golgi apparatus
  3. Nucleus
  4. Mitochondria

Answer: B