Free Biotechnology And Its Applications (Daily Quiz: 2) NEET Biology Questions & Answers with Detailed Explanation & Full Review

Question-1

Genetic engineering has been successfully used for producing

(a) transgenic models for studying new treatments for certain cardiac diseases

(b) transgenic mice for testing safety of polio vaccine before use in humans

(c) transgenic cow-Rosie which produces high fat milk for making ghee

(d) animals like bulls for farm work as they have superpower.

Question-2

Transgenic animals are produced for which of the following purposes?

1. To study-how gene are regulated and how they affect the normal functions of body and its development
2. To study of diseases
3. To obtain useful biological product
4. To test vaccine safety and chemical safety

(a) 1 and 4

(b) All of these

(c) 2 and 4

(d) Only 1

Question-3

Which of the following peptide chain is removed during maturation of pro-insulin into insulin?

(a) B-peptide

(b) A-peptide

(c) C-peptide

(d) B and C peptide

Question-4

Producing a giant mouse in the laboratory was possible through

(a) gene synthesis

(b) gene manipulation

(c) gene mutation

(d) gene duplication

Question-5

When a patient with defective ADA is treated, which of the following steps are performed for gene therapy?

1. Lymphocytes are obtained from the patients.
2. Lymphocytes are transferred to culture dishes.
3. Lymphocytes are transected with normal ADA genes.
4. The transected cells are returned to the patients.

(a) Only C and D

(b) All the above

(c) Only D

(d) SCID cannot be treated