Explore topic-wise MCQs in Life Sciences.

This section includes 11 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.

A __________ is a small laboratory set up to simulate conditions of a particular environment.

A. microcosm
B. mibridization
C. bioremediation
D. rhizosecretion
Answer» B. mibridization
2.

Name the technique which is used to enhance the life of a tomato.

A. Antisense technology
B. In vitro gene transfer
C. Ex vivo gene transfer
D. Molecular farming
Answer» B. In vitro gene transfer
3.

NAME_THE_TECHNIQUE_WHICH_IS_USED_TO_ENHANCE_THE_LIFE_OF_A_TOMATO.?$

A. Antisense technology
B. In vitro gene transfer
C. Ex vivo gene transfer
D. Molecular farming
Answer» B. In vitro gene transfer
4.

Name the enzyme which has silenced to delay the ripening process?

A. Polygalacturonase
B. Glyphosate
C. ADA
D. P53
Answer» B. Glyphosate
5.

Which of the following is supplemented with vitamin A in order to improve its nutritional quality?

A. Cotton
B. Potato
C. Tomato
D. Rice
Answer» E.
6.

Name the first transgenic virus resistant plant?

A. Rice
B. Cotton
C. Tobacco
D. Tomato
Answer» D. Tomato
7.

Name the marker gene of streptomycin?

A. HPT
B. SPT
C. PAT
D. BXN
Answer» C. PAT
8.

Which of the following is considered as a visual marker?

A. Antibiotic marker
B. Resistance marker
C. Selectable marker
D. Screenable marker
Answer» E.
9.

Name the strategy where two-plasmid system is used for the introduction of the gene?

A. Binary vector system
B. Co-integration vector strategy
C. Agrobacterium
D. Selectable marker strategy
Answer» B. Co-integration vector strategy
10.

In transgenesis, only cloned genes are introduced into the donor.

A. True
B. False
Answer» B. False
11.

The process of expression of foreign genes in a plant is called___________

A. Gene expression
B. Transgenesis
C. Genetic transformation
D. Cell hybridization
Answer» D. Cell hybridization