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. Nucleoproteíns 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)