Home
Class 11
BIOLOGY
Read the assertion and reason carefully ...

Read the assertion and reason carefully to mark the correct option in question.
Assertion: Nuclear matrix or nucleoplasm contains one or more cylindrical structures called nucleolus.
Reaon: Smaller and more numerous nucleoli are present in cells actively carrying out protein synthesis.

A

If both assertion and reason are true and the reason is the correct explanation of the assertion

B

If both assertion and reason are true but reason is not the correct explanation of the assertion.

C

If assertion is true but reason is false.

D

If both assertion and reason are false.

Text Solution

Verified by Experts

The correct Answer is:
D

* Nucleus matrix or nucleoplasm contains one or more spherical structures called nucleolus.
* Larger and more numerous nucleoli are present in cells actively carrying out protein synthesis.
Promotional Banner

Topper's Solved these Questions

  • CELL: THE UNIT OF LIFE

    A2Z|Exercise SECTION C: PREVIOUS YEARS' EXAMINATION QUESTIONS (NEET / AIPMT Questions)|99 Videos
  • CELL: THE UNIT OF LIFE

    A2Z|Exercise SECTION C: PREVIOUS YEARS' EXAMINATION QUESTIONS (AIIMS Questions)|21 Videos
  • CELL: THE UNIT OF LIFE

    A2Z|Exercise Section A: Topicwise Questions Topic 4 : Cilia , Flagella , Nucleus And Microbodies (centrosome And|26 Videos
  • CELL CYCLE AND CELL DIVISION

    A2Z|Exercise Section D: Chapter-end Test|50 Videos
  • CHEMICAL COORDINATION AND INTEGRATION

    A2Z|Exercise Section D : Chapter-end Test|50 Videos

Similar Questions

Explore conceptually related problems

Larger and more numerous nucleoli are present in cell s activley carrying out protein synthesis

Read the assertion and reason carefully to mark the correct option in question. Assertion: Sub-metacentric chromosome has one shorter and one longer arm. Reason: Metacentric chromosome have one very long and one very short arm.

Read the assertion and reason carefully to mark the correct option in question. Assertion: In eukaryotic cells, there is an extensive compartmentalisation of cytoplasm is seen Reason: Eukaryotic cells have membrane bound organelles.

Read the assertion and reason carefully to mark the correct option in question. Assertion: Pili and fimbriae are known to help the bacteria to become motile in streams. Reason: Unlike flagella, pili and fimbriae are surface structures of bacteria .

Read the assertion and reason carefully to mark the correct option in question. Assertion: Interphase nucleus has a loose and distinct network of fibre called chromatin. Reason: Chromatin contain RNA, DNA and histone proteins but non-histone proteins are absent.

Read the assertion and reason carefully to mark the correct option out of the option given below: Assertion: Volume and fluidity of intestinal contents have inceased in a person. Reason : The person drank sea water.

The nucleus is a significant organelle found in the cell. Read the following statements about the nucleus and select the option that correctly determines the number of false statements. (i) The nuclear envelope consists of two parallel membranes having space between them called pericentriolar space. (ii) The outer membrane of the nucleus usually remains continuous with the Golgi apparatus. (iii) The nuclear matrix or the nucleoplasm contains nucleolus and chromatin. (iv) Larger and more numerous nucleoli are present in cells actively carrying out lipid synthesis

Read the assertion and reason carefully to mark the correct option in question. Assertion: The nuclear pores are the passages through which movement RNA and protein molecules take place in both directions between the cytoplasm and nucleoplasm. Reason: Nuclear pores are formed by the fusion of two membranes of nucleus.