Biotechnology and its Applications Test

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Biotechnology and its Applications Test - 28

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Weekly Quiz Competition

Question 1
1 / -0

Insulin has 51 amino acids arranged in _____.

A
Single polypeptide

B
Two polypeptides of 21 and 30 amino acids

C
Two polypeptides of 25 and 26 amino acids

D
Three polypeptides having 15, 16 and 20 amino acids
Question 2
1 / -0

Agrochemicals are

A
Chemical products of agriculture

B
Synthetic chemicals employed in agriculture

C
Chemicals used as pesticides

D
Chemicals used as fertilizers

Solution

An agrochemical, contraction of agricultural chemical, is a chemical product used in agriculture. Some agrochemicals are considered to be synthetic because of their non-natural origin and are described as exogenous pesticides.
So, option B is the correct option.
Question 3
1 / -0

What is used in production of insulin by genetic engineering?

A
Rhizobium

B
Saccharomyces

C
Mycobacterium

D
Escherichia

Solution

The development in the field of genetic engineering allowed the production of insulin in E.coli and yeast, which have been approved for therapeutic applications in human by FDA.
So, option D is the correct option.
Question 4
1 / -0

Transgenic plants have _________________.

A
No gene

B
Genes in transposition

C
Genes have no function to perform

D
Genes of other organism

Solution

Transgenic plants are the ones, whose DNA is modified using genetic engineering techniques. The aim is to introduce a new trait to the plant which does not occur naturally in the species. A transgenic plant contains a gene or genes that have been artificially inserted.
So, option D is the correct option.
Question 5
1 / -0

An abnormal gene is replaced by normal gene. It is called __________.

A
Gene therapy

B
Cloning

C
Mutation

D
None of the above
Question 6
1 / -0

The genetic defect adenosine deaminase (ADA) deficiency may be cured permanently by ___________.

A
Introducing bone marrow cells producing (ADA) into cells at an early embryonic stage.

B
Administrating adenosine deaminase activators.

C
Periodic infusion of genetically engineered lymphocytes having functional ADA cDNA.

D
Enzyme replacement therapy.

Solution

Adenosine deaminase deficiency (ADA deficiency) is an inherited condition that damages the immune system and is a common cause of severe combined immunodeficiency (SCID). People with SCID due to ADA deficiency are unable to fight off most types of infections, including bacterial, viral and fungal infections. Introduction of genes isolated from bone marrow cells, it produces ADA, into the cells of the patient at early embryonic stage. It can only cure permanently with the help of gene therapy.
So the correct answer is option A.
Question 7
1 / -0

SCID is caused by defective gene coding for enzyme ______________.

A
Adenosine deaminase

B
Adenosine transaminase

C
Adenosine transferase

D
Guanosine transaminaseGuanosine deaminase

Solution

Adenosine deaminase deficiency SCID, commonly called ADA SCID, is a very rare genetic disorder. It is caused by a mutation in the gene that encodes a protein called adenosine deaminase (ADA).
Question 8
1 / -0

Enzyme adenosine deaminase is deficient in .......... genetic disorder.

A
Alzheimers disease

B
Muscular dystrophy

C
SCID

D
Colour blindness

Solution

The correct option is C

Severe combined immunodeficiency (SCID) is an X-limbed inherited disorder of the immune system, that occurs almost exclusively in males. Boys with x-linked SCID are prone to recurrent and persistent infections because they
lack the necessary immune cells to fight off certain bacteria, viruses, etc, It is
caused by a disorder of or by a deficiency of the adenosine deaminase which is very necessary for lymphocyte development.
Question 9
1 / -0

Transgenic plants are developed by

A
Introducing foreign genes

B
Introducing gene mutations

C
Deleting certain chromosome parts

D
Stopping spindle formation

Solution

Transgenic plants are plants that have been genetically engineered, a breeding approach that uses recombinant DNA technique to create plants with new characteristics. They are identified as a class of genetically modified organisms. Transgenic plants can be created by inserting genes of other organisms.
So, option A is the correct option.
Question 10
1 / -0

Which of these is used as vector for gene therapy in SCID and gene cloning in higher organisms?

A
Retrovirus

B
Enterovirus

C
Arbovirus

D
Rotavirus

E
Parvovirus

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Re-Attempt Weekly Quiz Competition

Biotechnology and its Applications Test - 28

Result

Biotechnology and its Applications Test - 28

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SHARING IS CARING

Question 1

Single polypeptide

Two polypeptides of 21 and 30 amino acids

Two polypeptides of 25 and 26 amino acids

Three polypeptides having 15, 16 and 20 amino acids

Question 2

Chemical products of agriculture

Synthetic chemicals employed in agriculture

Chemicals used as pesticides

Chemicals used as fertilizers

Solution

Question 3

Rhizobium

Saccharomyces

Mycobacterium

Escherichia

Solution

Question 4

No gene

Genes in transposition

Genes have no function to perform

Genes of other organism

Solution

Question 5

Gene therapy

Cloning

Mutation

None of the above

Question 6

Introducing bone marrow cells producing (ADA) into cells at an early embryonic stage.

Administrating adenosine deaminase activators.

Periodic infusion of genetically engineered lymphocytes having functional ADA cDNA.

Enzyme replacement therapy.

Solution

Question 7

Adenosine deaminase

Adenosine transaminase

Adenosine transferase

Guanosine transaminaseGuanosine deaminase

Solution

Question 8

Alzheimers disease

Muscular dystrophy

SCID

Colour blindness

Solution

Question 9

Introducing foreign genes

Introducing gene mutations

Deleting certain chromosome parts

Stopping spindle formation

Solution

Question 10

Retrovirus

Enterovirus

Arbovirus

Rotavirus

Parvovirus

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