Biotechnology and Its Applications-Recombinant DNA Technology [NEET (2024 Updated)-National Eligibility cum Entrance Test (Medical) Biology]: Questions 1 - 4 of 10
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Question 1
Question MCQ▾
Find the incorrect statement
Choices
Choice (4) | Response | |
---|---|---|
a. | Bt toxin is a biodegradable insecticide obtained from Bacillus thuringinsis. | |
b. | Gene therapy is a genetic engineering technique used to treat diseases at molecular level by replacing defective genes with normal genes. | |
c. | Trichoderima species is a biocontrol agent for fungal diseases of plants. | |
d. | Calcitonin is a medically useful recombinant product in the treatment of infertility. |
Question 2
Question MCQ▾
After 4 PCR cycles how many DNA molecules are formed from one DNA template molecule?
Choices
Choice (4) | Response | |
---|---|---|
a. | 32 | |
b. | 4 | |
c. | 8 | |
d. | 16 |
Question 3
Question MCQ▾
Hybridomas are the result of fusion of
Choices
Choice (4) | Response | |
---|---|---|
a. | Male reproductive cells. | |
b. | Abnormal antibody producing cells with myeloma. | |
c. | Normal antibody producing cells with myeloma. | |
d. | Female reproductive cells. |
Question 4
Question MCQ▾
What is the first step in the Southern blot technique?
Choices
Choice (4) | Response | |
---|---|---|
a. | Breaking of DNA by restriction enzyme. | |
b. | Denaturation of DNA on the gel for hybridization with specific probe. | |
c. | Isolation of DNA from a nucleated cell such as the one from the scene of crime. | |
d. | Production of a group of genetically identical cells. |