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BIOTECHNOLOGY AND ITS APPLICATIONS\

Total questions: 30

Worksheet time: 3600secs

Name
Class
Date
1.

GEAC stands for

a)

Genome Engineering Action Committee

b)

Ground Environment Action Committee

c)

Genetic Engineering Approval Committee

d)

Genetic and Environment Approval Committee.

2.

α – 1 – antitrypsin is

a)

an antacid

b)

an enzyme

c)

used to treat arthritis

d)

used to treat emphysema.

3.

The site of production of ADA in the body is

a)

erythrocytes

b)

lymphocytes

c)

blood plasma

d)

osteocytes.

4.

Golden rice is

a)

a variety of rice grown along the yellow river in China

b)

long stored rice having yellow colour tint

c)

a transgenic rice having gene for β -carotene

d)

wild variety of rice with yellow coloured grains.

5.

In RNAi, genes are silenced using

a)

ssDNA

b)

dsDNA

c)

dsRNA

d)

ssRNA.

6.

First genetically modified plant commercially released injndia is

a)

golden rice

b)

FlavrSavr

c)

Bt brinjal

d)

Bt cotton.

7.

Which one of the following is not used as biofertiliser ?

a)

Bacillus thuringiensis

b)

Anabaena

c)

Nostoc

d)

Rhizobium

8.

Which variety of rice was patented by a U.S. company even though the highest number of varieties of this rice are found in India ?

a)

Sharbati Sonora

b)

Co-667

c)

Basmati

d)

LermaRojo

9.

C-peptide of human insulin is

a)

a part of mature insulin molecule

b)

responsible for formation of disulphide bridges

c)

removed during maturation of pro-insulin to insulin

d)

responsible for its biological activity.

Answer:

10.

Which of the following genes were introduced in cotton to protect it from cotton bollworms ?

a)

Cry Ac and CryAb

b)

BtAc and Btab

c)

CrylAc and CryllAb

d)

Nif genes

11.

Which of the following companies started selling humulin in the year 1983 ?

a)

EliLilly

b)

Genetech

c)

GEAC

d)

None of these

12.

Animals that have had their DNA manipulated to possess and express a foreign gene are called

a)

transgenic animals

b)

somatic hybrids

c)

somaclones

d)

super animals.

13.

Early detection of a disease is possible by

a)

PCR

b)

gene therapy

c)

recombinant DNA technology and ELISA

d)

Both (a) and (c).

14.

Human insulin is being commercially produced from a transgenic species of

a)

Mycobacterium

b)

Rhizobium

c)

Saccharomyces

d)

Escherichia.

15.

‘Flavr Savr’ variety of tomato which remains fresh for a longer period than normal tomato variety

a)

has high amount of enzyme polygalacturonase

b)

has reduced amount of enzyme polygalacturonase

c)

is a pest resistant variety

d)

is rich in vitamin A and prevents night blindness. ‘

16.

Issues that refer to people’s moral values or the code of conduct by which they live

a)

Social issues

b)

Legal issues

c)

Cultural issues

d)

Ethical issues

17.
What is the benefit of geneticially modified organisms?
a)
They may be better looking or more productive/effective
b)
They are easily reproduced
c)
They are higher in population
d)
They live longer/stronger
18.
All of the following are advantages of GMO's except
a)
pest resistant crops
b)
more nutritional foods
c)
unknown long term health effects
d)
creating more human insulin
19.
Which agricultural benefit can biotechnology  provide?
a)
developing plants that are less dependent on the sun for energy
b)
developing plants that are less sensitive to variations in environmental temperatures
c)
developing plants with inheritable traits unrelated to the genetic material they contain
d)
developing plants that will not die
20.

Which of the following is not a benefit of GMO food?

a)

herbicide tolerance

b)

disease resistance against fungus infections

c)

gene transfer to other species

d)

longer shelf life

21.

What does transgenic mean?

a)

An organism that can change its genes at will

b)

A stem cell that can differentiate into anything

c)

An organism that has had another species' DNA put in it

d)

A bacteria that reproduces asexually

22.
Gene therapy is successful if the...
a)
DNA can be placed in a virus
b)
Virus carrying the gene can insert it into DNA
c)
New gene is expressed as a protein
d)
New gene is replicated in DNA
23.
If you want to make a GM crop that is purple, what is the first thing you need to do?
a)
Find a plant that is naturally purple
b)
Paint a plant purple
c)
Use an enzyme to cut a gene out of a plant
d)
Use a virus to insert a gene into a plant
24.
Why do farmers choose to use GM crops rather than regular crops?
a)
They are safer
b)
They are more productive
c)
They are less expensive
d)
They are less controversial
25.
What is 1 significant issue with many Genetically Modified Organisms?
a)
They are too expensive to be useful
b)
Take a long time to make
c)
May affect other organisms in their environment
d)
Might evolve more quickly
26.
Which of the following would be an example of gene therapy technology?
a)
development of a nasal spray that contains copies of the normal gene that is defective in person with cystic fibrosis
b)
cutting DNA into fragments with restriction enzymes
c)
modifying E. coli to produce indigo dye for coloring denim blue jeans
d)
separation DNA fragments using gel electrophoresis
27.

Which of the following involves ethics?

a)

Passing a law to allow more crops to be grown per acre in a given area.

b)

Passing a law to allow doctors to euthanize humans who are terminally ill.

c)

Passing a law to increase fines for people texting while driving.

d)

Passing a law to decrease speed limits in an area of frequent accidents.

28.

What is one of the pros of Herbicide use?

a)

It makes weeding easier and cheaper for farmers

b)

It keeps animals away from crops

c)

Plants grow taller and stronger

d)

It makes more organic crops

29.
Which of these is not a way in which biotechnology can benefit agriculture?
a)
increase crop population
b)
reducing the loss of crops to insects
c)
producing better-tasting fruits
d)
improving farm machinery
30.

Which of the following genes were introduced in cotton to protect it from cotton bollworms ?

a)

Cry Ac and CryAb

b)

BtAc and Btab

c)

CrylAc and CryllAb

d)

Nif genes

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