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This section includes 13 Mcqs, each offering curated multiple-choice questions to sharpen your Life Sciences knowledge and support exam preparation. Choose a topic below to get started.
1. |
Which region of chromatin is transcriptionally silent? |
A. | Nucleoid |
B. | Centromere |
C. | Euchromatin |
D. | Heterochromatin |
Answer» E. | |
2. |
Which of the following is not true for chromatin? |
A. | Organized structure of DNA and protein |
B. | These are highly condensed DNA |
C. | It is found in the nucleus |
D. | It contains a single dsDNA |
Answer» B. These are highly condensed DNA | |
3. |
Non-membrane bound body of the nucleus which disappears in the late prophase and reappears in telophase_______ |
A. | Nucleolus |
B. | Chromosome |
C. | Nucleoplasm |
D. | Nuclear pore |
Answer» B. Chromosome | |
4. |
WHICH_OF_THE_FOLLOWING_IS_NOT_TRUE_FOR_CHROMATIN??$ |
A. | Organized structure of DNA and protein |
B. | These are highly condensed DNA |
C. | It is found in the nucleus |
D. | It contains a single dsDNA |
Answer» B. These are highly condensed DNA | |
5. |
Which_region_of_chromatin_is_transcriptionally_silent?$ |
A. | Nucleoid |
B. | Centromere |
C. | Euchromatin |
D. | Heterochromatin |
Answer» E. | |
6. |
Non-membrane bound body of the nucleus which disappears in the late prophase and reappears in telophase______? |
A. | Nucleolus |
B. | Chromosome |
C. | Nucleoplasm |
D. | Nuclear pore |
Answer» B. Chromosome | |
7. |
Name the signal which helps protein to move in or out of the nucleus? |
A. | Notch signal |
B. | Paracrine signal |
C. | Nuclear localization signal |
D. | Chemical signals |
Answer» D. Chemical signals | |
8. |
Name the structure which is used to transfer macromolecules between the cytoplasm and nucleus. |
A. | Microtubules |
B. | Nuclear pores |
C. | Cilia |
D. | Centrioles |
Answer» D. Centrioles | |
9. |
Mark the INCORRECT statement about nuclear lamina. |
A. | Filaments present in the inner membrane of the nucleus |
B. | Made up of lamin proteins |
C. | Provide mechanical support to the nucleus |
D. | It has bounded with the ribosomes |
Answer» E. | |
10. |
Which of the following is not a component of the nucleus? |
A. | Chromosome |
B. | Nucleolus |
C. | Cytoplasm |
D. | Nuclear envelope |
Answer» D. Nuclear envelope | |
11. |
Which of the following microorganism have two nuclei? |
A. | Slime molds |
B. | Cyanobacteria |
C. | Amoeba |
D. | Paramecium |
Answer» E. | |
12. |
Red blood cells are multinucleate in nature. |
A. | True |
B. | False |
Answer» C. | |
13. |
Name the control center of the eukaryotic cell? |
A. | Nucleus |
B. | Ribosome |
C. | Cytoplasm |
D. | Golgi complex |
Answer» B. Ribosome | |