Explore topic-wise MCQs in Life Sciences.

This section includes 12 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 of the following plasmid found in eukaryotes?

A. Col plasmid
B. 2μ circle
C. F-plasmid
D. Hfr
Answer» C. F-plasmid
2.

Name the type of plasmid which has no identified function or phenotypic properties?

A. Cryptic plasmid
B. R-plasmid
C. High-frequency recombination
D. Col plasmid
Answer» B. R-plasmid
3.

NAME_THE_TYPE_OF_PLASMID_WHICH_HAS_NO_IDENTIFIED_FUNCTION_OR_PHENOTYPIC_PROPERTIES??$

A. Cryptic plasmid
B. R-plasmid
C. High-frequency recombination
D. Col plasmid
Answer» B. R-plasmid
4.

Which_of_the_following_plasmid_found_in_eukaryotes?$

A. Col plasmid
B. 2μ circle
C. F-plasmid
D. Hfr
Answer» C. F-plasmid
5.

Which of the following is NOT the property of plasmid?

A. Rolling circle replication
B. Narrow host range
C. Two closely related plasmids cannot coexist in the same cell
D. Encodes gene products that are essential for growth
Answer» C. Two closely related plasmids cannot coexist in the same cell
6.

Name the plasmid which makes host cell resistance to the antibiotic.

A. Hfr
B. F-plasmid
C. Col plasmid
D. R-plasmid
Answer» E.
7.

Extrachromosomal DNA present in prokaryotes is called_______

A. Cocci group of bacteria
B. Chainlike group of bacteria
C. Plasmid
D. Grapelike cluster of bacteria
Answer» D. Grapelike cluster of bacteria
8.

Name the group of bacteria which uses histone to condense DNA molecule?

A. Spirochetes
B. Archaebacteria
C. Mycoplasma
D. Cyanobacteria
Answer» C. Mycoplasma
9.

All bacteria have single circular DNA molecule.

A. True
B. False
Answer» C.
10.

Which nucleoid protein assisted in condensation of DNA?

A. SMC
B. IHF
C. HU
D. H-NS
Answer» E.
11.

Which of the following is not the nucleotide associated protein?

A. HSP
B. HU
C. H-NS
D. IHF
Answer» B. HU
12.

Name the area of a bacterial cell which contains a bacterial chromosome.

A. DNA
B. Nucleus
C. Nucleoid
D. Cell wall
Answer» D. Cell wall