12-Bio-Botany-Unit-IV Biotechnology

13 Questions | By Padasalai12bot | Updated: Mar 19, 2022 | Attempts: 1108

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Prepared by
Mr. D. Rajamani, M. Sc.,M. Ed., P. G. Asst Botany A. C. S Mat. Hr Sec. School, Arni. Tiruvannamalai Dist
; &nbs p; &
www. Padasalai. Net

Questions and Answers

1.

Restriction enzymes are synthesized by
- A.
  
  Bacteria only
- B.
  
  Yeast and bacteria only
- C.
  
  Eukaryotic cells only
- D.
  
  All kinds of cells
Correct Answer
A. Bacteria only
2.

Each restriction enzyme cleaves a molecule only at
- A.
  
  Nucleotide sequence
- B.
  
  the ends of genes
- C.
  
  Methyl groups
- D.
  
  The time of DNA replication
Correct Answer
A. Nucleotide sequence
3.

One of the following process is employed to introduce a foreign gene into a cell
- A.
  
  Electroporation
- B.
  
  Electrolysis
- C.
  
  Plasmid
- D.
  
  Ligation
Correct Answer
A. Electroporation
4.

A toxic protein called delta endotoxin is insecticidal and it is produced by
- A.
  
  Bacillus thuringiensis
- B.
  
  Escherichia coli
- C.
  
  Streptomyces griseus
- D.
  
  Bacillus lactii
Correct Answer
A. Bacillus thuringiensis
5.

The number of transgenic plants available to-day are approximately
- A.
  
  Fifty
- B.
  
  Six
- C.
  
  Two
- D.
  
  Twelve
Correct Answer
A. Fifty
6.

Pseudomonas putida is a engineered bacterium that can
- A.
  
  Digest crude oil slick
- B.
  
  Produce a hormone
- C.
  
  Produce a antibiotic
- D.
  
  Pollute the soi
Correct Answer
A. Digest crude oil slick
7.

The inherent potential of any living plant cell to develop into entire organism is clled
- A.
  
  Totipotency
- B.
  
  Differentiation
- C.
  
  Organogenesis
- D.
  
  Morphogenesis
Correct Answer
A. Totipotency
8.

The function of cytokinin is to increase
- A.
  
  Cell division
- B.
  
  Cell elongation
- C.
  
  Fruit initiation
- D.
  
  Differentiation
Correct Answer
A. Cell division
9.

By the application of tissue culture, one important product is formed
- A.
  
  Artificial synthetic seeds
- B.
  
  Many seeded fruit
- C.
  
  Triploid endosperm
- D.
  
  Induction of flowers
Correct Answer
A. Artificial synthetic seeds
10.

The two protoplasts are fused with a fusogen called
- A.
  
  Polyethylene glycol (PEG)
- B.
  
  Polyvinyl chloride (PVC)
- C.
  
  Polyethane glycol (PEG)
- D.
  
  Phosphoric ethane
Correct Answer
A. Polyethylene glycol (PEG)
11.

Somatic hybrids are produced through
- A.
  
  Protoplasmic fusion
- B.
  
  Asexual fusion
- C.
  
  Vegetative propagation
- D.
  
  Grafting
Correct Answer
A. Protoplasmic fusion
12.

One of the following organism is a SCP
- A.
  
  Spirulina
- B.
  
  Nostoc
- C.
  
  Rhizobium
- D.
  
  Mushroom
Correct Answer
A. Spirulina
13.

Enriched vitamin tablets are produced from the following organism for human consumption
- A.
  
  Spirulina
- B.
  
  Nostoc
- C.
  
  Yeast
- D.
  
  Mushroom
Correct Answer
A. Spirulina

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Current Version
Mar 19, 2022

Quiz Edited by
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Dec 01, 2013

Quiz Created by
Padasalai12bot

12-bio-botany-unit-IV Biotechnology

Restriction enzymes are synthesized by

Each restriction enzyme cleaves a molecule only at

One of the following process is employed to introduce a foreign gene into a cell

A toxic protein called delta endotoxin is insecticidal and it is produced by

The number of transgenic plants available to-day are approximately

Pseudomonas putida is a engineered bacterium that can

The inherent potential of any living plant cell to develop into entire organism is clled

The function of cytokinin is to increase

By the application of tissue culture, one important product is formed

The two protoplasts are fused with a fusogen called

Somatic hybrids are produced through

One of the following organism is a SCP

Enriched vitamin tablets are produced from the following organism for human consumption