NCERT Class-9 Science Solutions: Chapter 5-The Fundamental Unit Of Life Part 4

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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

Image of Cell theory

Image of Cell Theory

Image of 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