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Home › Biology › Cell Biology - Organelles

Cell Biology - Organelles — Biology Questions & Practice

Practise 36 Cell Biology - Organelles questions from Biology for competitive exams such as UPSC, Banking, SSC and Railway. Read the worked questions below, check every answer with an explanation, and track what you get wrong.

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Practice questions on Cell Biology - Organelles — with answers

Try each question first, then open the answer. Explanations are included.

1. Which cell organelle is primarily responsible for producing ATP through cellular respiration (the 'powerhouse of the cell')?

  1. AMitochondria
  2. BNucleolus
  3. CEndoplasmic reticulum (smooth ER)
  4. DGolgi apparatus (Golgi body)
Show answer

Answer: A

Mitochondria is the organelle primarily responsible for producing ATP through cellular respiration (the 'powerhouse of the cell').

2. What is the primary function of the Mitochondria?

  1. Aproducing ATP through cellular respiration (the 'powerhouse of the cell')
  2. Bsynthesizing proteins
  3. Cproducing ribosomal RNA (rRNA) and assembling ribosomes
  4. Dpackaging and modifying proteins for secretion
Show answer

Answer: A

The primary function of the Mitochondria is producing ATP through cellular respiration (the 'powerhouse of the cell').

3. Which cell organelle is primarily responsible for synthesizing proteins?

  1. AVacuole
  2. BNucleolus
  3. CRibosomes
  4. DLysosomes
Show answer

Answer: C

Ribosomes is the organelle primarily responsible for synthesizing proteins.

4. What is the primary function of the Ribosomes?

  1. Adigesting cellular waste and worn-out organelles ('suicide bags of the cell')
  2. Bcarrying out photosynthesis in plant cells
  3. Cstoring genetic material (DNA) and controlling cell activities
  4. Dsynthesizing proteins
Show answer

Answer: D

The primary function of the Ribosomes is synthesizing proteins.

5. Which cell organelle is primarily responsible for packaging and modifying proteins for secretion?

  1. ARibosomes
  2. BEndoplasmic reticulum (smooth ER)
  3. CChloroplasts
  4. DGolgi apparatus (Golgi body)
Show answer

Answer: D

Golgi apparatus (Golgi body) is the organelle primarily responsible for packaging and modifying proteins for secretion.

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