Explore topic-wise MCQs in Vector Biology.

This section includes 21 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.

A P element can change position/ jump between a ________ and one of the fly’s chromosome.

A. Plasmid
B. Bacterial chromosome
C. Yeast chromosome
D. Another fly’s chromosome
Answer» B. Bacterial chromosome
2.

What is the function of flanking inverted repeats in a P element?

A. Maintaining homeostasis
B. Recognition sequence
C. Repression/induction activity
D. Operators
Answer» C. Repression/induction activity
3.

What do the genes of the P element code for?

A. Amylase
B. Lactase
C. Transposase
D. Transcriptase
Answer» D. Transcriptase
4.

Which sequences flank the P element of the Drosophila?

A. Repeated
B. Interstitial
C. Inverted repeats
D. Random
Answer» D. Random
5.

How many genes are contained in a P element?

A. 1
B. 2
C. 3
D. 4
Answer» D. 4
6.

Transposons can move from one position to another in the ________ of a cell.

A. Nucleus
B. Chromosome
C. Cell membrane
D. Mitochondria
Answer» C. Cell membrane
7.

HOW_MANY_GENES_ARE_CONTAINED_IN_A_P_ELEMENT??$

A. 1
B. 2
C. 3
D. 4
Answer» D. 4
8.

What do the genes of the P element code for?$

A. Amylase
B. Lactase
C. Transposase
D. Transcriptase
Answer» D. Transcriptase
9.

Which_sequences_flank_the_P_element_of_the_Drosophila?$

A. Repeated
B. Interstitial
C. Inverted repeats
D. Random
Answer» D. Random
10.

Baculovirus are vectors used for cloning in _____________

A. Mammals
B. Insects
C. Reptiles
D. Plants
Answer» C. Reptiles
11.

The basic vector used for cloning in Drosophila is __________

A. Plasmid
B. Baculovirus
C. Culimovirus
D. YAC
Answer» B. Baculovirus
12.

A P element can change position/ jump between a ________ and one of the fly’s chromosome.$

A. Plasmid
B. Bacterial chromosome
C. Yeast chromosome
D. Another fly’s chromosome
Answer» B. Bacterial chromosome
13.

What_is_the_function_of_flanking_inverted_repeats_in_a_P_element?

A. Maintaining homeostasis
B. Recognition sequence
C. Repression/induction activity
D. Operators
Answer» C. Repression/induction activity
14.

Transposons can move from one position to another in the ________ of a cell?

A. Nucleus
B. Chromosome
C. Cell membrane
D. Mitochondria
Answer» C. Cell membrane
15.

What is the approximate length of the P element?

A. Less than 1 kb
B. Less than 10 kb
C. Less than 20 kb
D. Less than 20 mb
Answer» C. Less than 20 kb
16.

What is the P element?

A. Popular element
B. Transposon
C. Homeotic gene
D. Pressure inducing gene
Answer» C. Homeotic gene
17.

Several genes constituting the genome of Drosophila are closely related to equivalent genes in mammals.

A. True
B. False
Answer» B. False
18.

When were the experiments with Drosophila Melanogaster first attempted?

A. 1910
B. 1810
C. 1710
D. 1610
Answer» B. 1810
19.

What is Drosophila Melanogaster?

A. Fruit fly
B. House fly
C. Damsel fly
D. Dragon fly
Answer» B. House fly
20.

What is gene therapy?

A. Technique of curing a disease
B. Introduction of a disease
C. Introduction of a gene in E.coli
D. Introduction of a gene in yeast
Answer» B. Introduction of a disease
21.

Recombinant proteins are expressed in _____________

A. E.coli
B. Yeast
C. Animals
D. Fungi
Answer» D. Fungi