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Biotechnology and its Applications · Question 29

NEET (UG) 2020MatchingEasy📈 Topic in 75% papers+4−1
1

Match the following columns and select the correct option.

  1. (a)-(i), (b)-(ii), (c)-(iii), (d)-(iv)
  2. (a)-(iii), (b)-(ii), (c)-(i), (d)-(iv)
  3. (a)-(iv), (b)-(i), (c)-(ii), (d)-(iii)
  4. (a)-(ii), (b)-(iii), (c)-(iv), (d)-(i)

Answer

(3) (a)-(iv), (b)-(i), (c)-(ii), (d)-(iii)

Solution

(a) Bt cotton carries the cry genes of Bacillus thuringiensis: (a)-(iv).

(b) Adenosine deaminase (ADA) deficiency was the first disease treated by gene therapy: (b)-(i).

(c) RNA interference (RNAi) takes place in all eukaryotic organisms as a method of cellular defence: (c)-(ii).

(d) PCR is used for early detection of HIV infection (molecular diagnosis): (d)-(iii).

∴ (a)-(iv), (b)-(i), (c)-(ii), (d)-(iii)

Answer: (3)

NEET (UG) 2020

Keep practising — Biotechnology and its Applications

2

What triggers activation of protoxin to active Bt toxin of Bacillus thuringiensis in boll worm?

  1. Acidic pH of stomach
  2. Body temperature
  3. Alkaline pH of gut
  4. Moist surface of midgut
NEET (UG) 2019
3

Which of the following is true for Golden rice?

  1. It is drought tolerant, developed using Agrobacterium vector.
  2. It has yellow grains, because of a gene introduced from a primitive variety of rice.
  3. It is Vitamin A enriched, with a gene from daffodil.
  4. It is pest resistant, with a gene from Bacillus thuringiensis.
Out of syllabusNEET (UG) 2019
4

Which of the following is commonly used as a vector for introducing a DNA fragment in human lymphocytes?

  1. Retrovirus
  2. Ti plasmid
  3. phage
  4. pBR322
NEET 2018
5

In India, the organisation responsible for assessing the safety of introducing genetically modified organisms for public use is

  1. Indian Council of Medical Research (ICMR)
  2. Council for Scientific and Industrial Research (CSIR)
  3. Research Committee on Genetic Manipulation (RCGM)
  4. Genetic Engineering Appraisal Committee (GEAC)
NEET 2018
6

A 'new' variety of rice was patented by a foreign company, though such varieties have been present in India for a long time. This is related to

  1. Co-667
  2. Sharbati Sonora
  3. Lerma Rojo
  4. Basmati
NEET 2018
7

Use of bioresources by multinational companies and organisations without authorisation from the concerned country and its people is called

  1. bio-infringement
  2. biodegradation
  3. biopiracy
  4. bioexploitation
NEET 2018
8

The two polypeptides of human insulin are linked together by

  1. Hydrogen bonds
  2. Covalent bond
  3. Disulphide bridges
  4. Phosphodiester bond
NEET 2016 (Phase 1)
9

Which part of the tobacco plant is infected by Meloidogyne incognita ?

  1. Flower
  2. Stem
  3. Leaf
  4. Root
NEET 2016 (Phase 1)
10

Which kind of therapy was given in 1990 to a four-year-old girl with adenosine deaminase [ADA] deficiency ?

  1. Radiation therapy
  2. Immunotherapy
  3. Gene therapy
  4. Chemotherapy
NEET 2016 (Phase 2)
11

Golden rice is a genetically modified crop plant where the incorporated gene is meant for biosynthesis of -

  1. Vitamin C
  2. Omega 3
  3. Vitamin A
  4. Vitamin B
AIPMT 2015

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