The process of making a complementary DNA (cDNA) from mRNA using reverse transcriptase is called: MCQ with Answer and Explanation

The process of making a complementary DNA (cDNA) from mRNA using reverse transcriptase is called:
A. Replication
B. Transformation
C. Translation
D. Reverse transcription
Answer: Option D
Solution (By JKSSB Mock Tests)
Reverse transcription synthesizes DNA from an RNA template, catalyzed by reverse transcriptase in retroviruses and used in molecular biology for cDNA synthesis.

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Practice More Biology Questions

Question #1
Consider statements about scientists: 1. Carolus Linnaeus developed binomial nomenclature. 2. Louis Pasteur developed the rabies vaccine. 3. Gregor Mendel discovered the structure of DNA. Which are correct?
A. 1, 2 and 3
B. 1 and 2 only
C. 2 and 3 only
D. 1 and 3 only

Correct Answer: Option B


Explanation:
Carolus Linnaeus, a Swedish botanist, formalized the system of binomial nomenclature for naming organisms. Louis Pasteur made immense contributions to microbiology, including the development of the first effective vaccine against rabies. Gregor Mendel is the father of genetics, known for his laws of inheritance; the structure of DNA was discovered by Watson and Crick. Thus, statements 1 and 2 are correct.

This question belongs to: Science Biology
Question #2
Which gas is the main cause of global warming?
A. Nitrogen
B. Carbon dioxide
C. Hydrogen
D. Oxygen

Correct Answer: Option B


Explanation:
CO₂ is the primary greenhouse gas, along with methane and water vapor, trapping heat and leading to global warming and climate change.

This question belongs to: Science Biology
Question #3
The structure in the female reproductive system where the fetus develops is the:
A. Ovary
B. Uterus
C. Vagina
D. Fallopian tube

Correct Answer: Option B


Explanation:
The uterus is a hollow, muscular organ where the fertilized egg implants into the endometrium and develops into an embryo and fetus. The ovaries produce eggs and hormones, the fallopian tubes are the fertilization site, and the vagina is the birth canal and copulatory organ.

This question belongs to: Science Biology