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Biotechnology and its Applications · Question 7

NEET (UG) 2025MCQEasy📈 Topic in 75% papers+4−1
1

Silencing of specific mRNA is possible via RNAi because of

  1. Complementary tRNA
  2. Non-complementary ssRNA
  3. Complementary dsRNA
  4. Inhibitory ssRNA

Answer

(3) Complementary dsRNA

Solution

As per NCERT, RNA interference (RNAi) involves silencing of a specific mRNA due to a complementary dsRNA molecule that binds to and prevents translation of the mRNA.

∴ Silencing is due to complementary dsRNA.

Answer: (3)

NEET (UG) 2025

Keep practising — Biotechnology and its Applications

2

Why can't insulin be given orally to diabetic patients?

  1. Because of structural variation
  2. Its bioavailability will be increased
  3. Human body will elicit strong immune response
  4. It will be digested in Gastro-Intestinal (GI) tract
NEET (UG) 2025
3

Given below are two statements: In the light of the above statements, choose the correct answer from the options given below:

  1. Both Statement I and Statement II are true
  2. Both Statement I and Statement II are false
  3. Statement I is true but Statement II is false
  4. Statement I is false but Statement II is true
NEET (UG) 2024
4

Match List I with List II Choose the correct answer from the options given below:

  1. A-II, B-I, C-IV, D-III
  2. A-III, B-I, C-II, D-IV
  3. A-III, B-IV, C-I, D-II
  4. A-II, B-IV, C-I, D-III
NEET (UG) 2024
5

Given below are two statements: In the light of the above statements, choose the correct answer from the options given below :

  1. Statement I is true but Statement II is false
  2. Statement I is false but Statement II is true
  3. Both Statement I and Statement II are true
  4. Both Statement I and Statement II are false
RE-NEET (UG) 2024
6

Match List-I with List-II :

  1. A-III, B-II, C-IV, D-I
  2. A-II, B-I, C-IV, D-III
  3. A-IV, B-III, C-I, D-II
  4. A-II, B-IV, C-I, D-III
RE-NEET (UG) 2024
7

The Bt toxin in genetically engineered Bt cotton kills the pest by:

  1. Creating pores in the midgut
  2. Damaging the respiratory system
  3. Degenerating the nervous system
  4. Altering the pH of body fluids
RE-NEET (UG) 2024
8

Following are the steps involved in action of toxin in Bt. Cotton Choose the correct sequence of steps from the options given below:

  1. E C B A D
  2. B C A E D
  3. A E B D C
  4. B E C A D
RE-NEET (UG) 2024
9

Given below are two statements : In the light of the above statements, choose the correct answer from the options given below.

  1. Statement I is true but Statement II is false.
  2. Statement I is false but Statement II is true.
  3. Both Statement I and Statement II are true.
  4. Both Statement I and Statement II are false.
RE-NEET (UG) 2024
10

Which one of the following techniques does not serve the purpose of early diagnosis of a disease for its early treatment?

  1. Serum and Urine analysis
  2. Polymerase Chain Reaction (PCR) technique
  3. Enzyme Linked Immuno-Sorbent Assay (ELISA) technique
  4. Recombinant DNA Technology
NEET (UG) 2023
11

Transposons can be used during which one of the following?

  1. Polymerase Chain Reaction
  2. Gene Silencing
  3. Autoradiography
  4. Gene sequencing
NEET (UG) 2022

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