300+ TOP MCQs on Nucleolus and Answers

NEET Biology is the vey important paper in the medical entrance exam. Here, you will discover the NEET Biology MCQs and Answers for all Concepts as per the latest syllabus. Practice more on a regular basis with these NEET Biology objective questions on air pollution . NEET Biology Nucleolus Multiple Choice Questions

MCQs on Nucleolus :

1. Ribosomes are produced and assembled in
(a) mitochondria
(b) cytoplasm
(c) nucleolus
(d) Golgi apparatus

Answer

Answer: (c)

2. An outer membrane is not present in
(a) lysosomes
(b) mitochondria
(c) plastid
(d) nucleoli

Answer

Answer: (d)

3. NucleoproteĆ­ns are synthesised in
(a) cytoplasm
(b) nucleoplasm
(c) nuclear envelope
(d) nucleolus

Answer

Answer: (a)

4. Which of the components of nucleolus disappears during late prophase and reappears during telophase?
(a) Nucleolus
(b) Nucleoplasm
(c) Chromosomes
(d) Nuclear pore

Answer

Answer: (a)

5. The main function of nucleolus is
(a) Protein synthesis
(b) ATP production
(c) DNA synthesis
(d) rRNA synthesis

Answer

Answer: (d)

6. Which of the following can pass through a nuclear pore?
(a) Ribosomal subunits
(b) Mitochondria
(c) mRNA
(d) both (a) and (c)

Answer

Answer: (d)

7. Which of the following are synthesised in the nucleolus?
(a) tRNA
(b) rRNA
(c) DNA
(d) all of the above

Answer

Answer: (b)

8. Nucleoli were discovered by
(a) Felice Fontana
(b) Robert Hook
(c) Robert Brown
(d) Leeuwenhoek

Answer

Answer: (a)

9. Synthesis of ribosomes in prokaryotes occurs in
(a) nucleus
(b) nucleolus
(c) cytosol
(d) nucleoplasm

Answer

Answer: (c)

10. Find the incorrect statement
(a) nucleoli are synthesised around nucleolar organizing regions
(b) only one nucleolus is found in the nucleus
(c) transcription of rDNA occurs in the fibrillar centre
(d) nucleolus contains a high concentration of iron in various plant species

Answer

Answer: (b)

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