Explore topic-wise MCQs in Life Sciences.

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