Explore topic-wise MCQs in Vector Biology.

This section includes 12 Mcqs, each offering curated multiple-choice questions to sharpen your Vector Biology knowledge and support exam preparation. Choose a topic below to get started.

1.

WHICH_OF_THE_FOLLOWING_IS_GREATLY_REDUCED_IN_PLASMID_VECTORS_POST_INSERTION_OF_EXOGENOUS_DNA??$

A. Size
B. Stability
C. Infection
D. Efficiency
Answer» C. Infection
Discussion
2.

Hybrid vectors can replicate both in ________ and B. subtilis.$

A. Mammals
B. Insects
C. Plants
D. E.coli
Answer» E.
Discussion
3.

Which of the following is a cryptic Bacillus plasmid?$

A. Pta1060
B. Pta1100
C. Pta 10
D. BSA
Answer» B. Pta1100
Discussion
4.

Vector PC194 carries ____ gene of PT127?

A. TCR
B. PCR
C. CCR
D. GCR
Answer» B. PCR
Discussion
5.

S. aureus plasmids carry ______ selectable markers.

A. More than one
B. One
C. No
D. Two
Answer» C. No
Discussion
6.

Plasmids from S. aureus transform into B. subtilis and express _____________ normally.

A. Lactic acid
B. Antibiotic resistance
C. Antibiotics
D. Crown gall
Answer» C. Antibiotics
Discussion
7.

Cloning vectors for low-GC bacteria are derived from ________

A. Plasmids
B. Yeasts
C. Plants
D. Mammals
Answer» B. Yeasts
Discussion
8.

Bacillus subtilis is a _________ bacteria.

A. Gram-negative
B. Low-GC
C. High-GC
D. High-AT
Answer» C. High-GC
Discussion
9.

Which of the following is not a lactic acid producing bacteria?

A. Streptococcus
B. Lactococcus
C. Lactobacillus
D. Clostridium
Answer» E.
Discussion
10.

Streptomycetes are ______________

A. High GC content
B. Low GC content
C. Gram-negative bacteria
D. Low AT content
Answer» B. Low GC content
Discussion
11.

There are no universal cloning vectors for use with all Gram-positive bacteria.

A. True
B. False
Answer» B. False
Discussion
12.

In Gram-positive bacteria, there is a disparity in ___________ in the genomes.

A. AT content
B. GC content
C. Structure
D. Composition
Answer» C. Structure
Discussion