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B. Sc. VI Semester

Total questions: 60

Worksheet time: 3600secs

Name
Class
Date
1.

How can agricultural biotechnology have a positive impact on the environment?

a)

By developing crops that are pest resistant requiring fewer pesticides to be used.

b)

planting crops in shaded areas.

c)

Harvesting crops that have thick stems and leaves.

d)

water crops with a recycled irrigation system.

2.

What is gene therapy?

a)

Using radiation to fix genes.

b)

Using a modified virus to fix genes.

3.

Which are most closely related to biotechnology?

a)

medicine and agriculture

b)

construction and engineering

c)

water treatment and electricity generation

d)

communication and information technology

4.

Which area of biotechnology would most likely create ethical issues within human society?

a)

insulin production by bacteria

b)

organ cloning for use in transplants

c)

genetic engineering to improve agricultural yields

d)

DNA and forensic testing of crime scene evidence

5.
Which field would most likely NOT incorporate  biotechnology?
a)
Agriculture 
b)
Genetics 
c)
Medicine
d)
Mining 
6.
A genome is
a)
part of a chromosome
b)
a gene inserted into a chromosome of bacteria
c)
a sequence of units in a short segment of DNA
d)
the complete sequence of an organism’s DNA  
7.
______________uses bacteria to clean up our surrounding.
a)
Genome
b)
Bioremediation 
c)
Genetic Modification 
d)
Crossbreeding 
8.

Which area of biotechnology is most likely to create ethical problems?

a)

insulin production by bacteria

b)

organ cloning

c)

genetic engineering to increase crop yields

d)

forensic testing of crime scene evidence

9.

In what way is biotechnology useful to law enforcement agencies such as the police or FBI?

a)

It can help identify who was present at the scene of a crime.

b)

It can help undercover officers disguise themselves.

c)

It might help determine who might be the victime of a future crime.

d)

It can help determine who is most likely to become a criminal in the future.

10.

Who is dolly the sheep?

a)

A cloned sheep

b)

A ordinary sheep

c)

I don't know

11.

GMO stands for

a)

Genetically Modeled Organisms

b)

Genetically Modified Organism

c)

I have no idea

12.

Plants that have been genetically modified so that certain insects are toxic to it.

a)

GMO

b)

Pest resistant crops

c)

Biotechnology

d)

I don't know

13.

Pandemics are worldwide. (True or False)

a)

True

b)

False

14.

The chemical molecule that is the basic genetic material found in all cells.

a)

DNA

b)

GMO

c)

Hybrid

d)

Protein

15.

Vaccines are made form biotechnology. ( true or false)

a)

False

b)

True

16.

A technique scientists use to make exact genetic copies of living things.

a)

Cloning

b)

Gene therapy

c)

Genetic engineering

d)

All of the above

17.

A photographic copy of DNA bands that have been cut into fragments using restriction enzymes.

a)

Pedigree

b)

Karyotype

c)

DNA Fingerprint

d)

All of the above

18.

These are produced when a restriction enzyme cuts at one end of a DNA sequence, between two bases on the same strand, then cuts on the opposite end of the complementary strand.

a)

Sticky ends

b)

Restriction ends

c)

Restriction fragments

d)

All of the above

19.

This process produces a DNA Fingerprint.

a)

Gene therapy

b)

Genetic engineering

c)

Gel electrophoresis

d)

All of the above

20.

A protein that recognizes a specific, short nucleotide sequence and cuts the DNA only at that specific site.

a)

DNA ligase

b)

DNA polymerase

c)

Restriction enzyme

d)

Restriction fragment

21.

A method widely used to rapidly make billions of copies of a DNA sample, allowing scientists to take a very small sample of DNA and amplify it to a large enough amount to study in detail.

a)

GMO

b)

PCR

c)

Gel electrophoresis

d)

Genetic engineering

22.

The circular ring of DNA found in bacteria.

a)

Gene

b)

Genome

c)

Plasmid

d)

DNA polymerase

23.

Temperature, light, air, water, and soil are all _____ parts of the environment

a)

alive

b)

biotic

c)

abiotic

d)

living

24.

A population is...

a)

A group of one species in one area

b)

Multiple species that live in one area

c)

All of the living and nonliving things in an area

d)

None of these

25.

What does biodiversity mean?

a)

Only one species in an area.

b)

The different amount of species in an area

c)

All abiotic life

d)

Nitrogen fixation

26.

The job or role of a plant or an animal in the ecosystem.

a)

carnivore

b)

niche

c)

consumer

d)

habitat

27.

An animal that eats only meat.

a)

herbivore

b)

omnivore

c)

carnivore

d)

scavenger

28.

A diagram that shows the transfer of energy from one organism to another (who is eaten by what).

a)

ecosystem

b)

environment

c)

food chain

d)

food web

29.
All of the living AND non-living things in an area that interact with each other are called a/an __________.
a)
community
b)
habitat
c)
population
d)
ecosystem
30.
A group of different species that live together and interact in an environment are called a/an __________.
a)
community
b)
habitat
c)
population
d)
ecosystem
31.
ALL energy flow for an ecosystem begins with ...
a)
plants
b)
the moon
c)
the sun
d)
algae
32.
A relationship where both organisms benefit is called __________.
a)
mutualism
b)
commensalism
c)
parasitism
33.
A relationship where one organism benefits and one organism is unaffected is called __________.
a)
mutualism
b)
commensalism
c)
parasitism
34.
Organisms that hunt other organisms for food are called __________.
a)
predators
b)
prey
c)
producers
d)
heterotrophs
35.

A stable ecosystem can have high biodiversity

because each species in that ecosystem

a)

occupies a different niche

b)

inhabits a different environment

c)

is part of a different community

d)

lives in a different biosphere

36.

The diagram below represents an energy pyramid.

Which type of organism could occupy levels B, C,

and D of this energy pyramid?

a)

consumer

b)

producer

c)

autotroph

d)

carnivore

37.

Producers are generally found at the beginning of a

food chain. Which statement best explains why this

is true?

a)

Producers are usually smaller in size than

consumers.

b)

Producers do not rely on other organisms for

food.

c)

There are always more consumers than

producers in food chains.

d)

Consumers are always more complex

organisms than producers.

38.

What happens if a population grows past its carrying capacity?

a)

The population keeps growing

b)

The population starts to die off

c)

The entire species will go extinct

d)

The carrying capacity just increases

39.
Which of these describes a mutually beneficial relationship between two organisms?
a)
A dog with worms in its intestine
b)
A turtle and a snail that both eat grass live in a river
c)
A honeybee pollinating a plant and receiving nectar for food
d)
A small fish attached to a shark, eating tiny pieces of the shark's food as it floats
40.
An organism that is killed and eaten by another organism
a)
Predator
b)
Prey
c)
Parasite
d)
Host
41.
Occurs when 2 or more organism use the same resource
a)
Competition
b)
Mutualism
c)
Commensalism
d)
Parasitism
42.

A deer caught and eaten by a panther is an example of which type of relationship

a)

parasitism

b)

competition

c)

predator-prey

d)

biology

43.

Which shows a correct transfer of energy?

a)

grass - sun - rabbit - snake - soil

b)

water - rabbit - flower - hawk - ants

c)

worm - rabbit - snake - hawk - clouds

d)

sun - grass - rabbit - snake - hawk

44.

Which includes all biotic factors?

a)

rock, soil, air

b)

plants, animals, fungi

c)

water, air, soil

d)

bacteria, viruses, water

45.

Which of the following is an example of commensalism?

a)

A bird is hunted by a cat, killed, and eaten.

b)

A bird eats berries and then spreads the seeds

c)

A bird finds an existing hole in a tree and builds a nest in it.

d)

A bird finds a small shellfish on a beach, cracks its shell, and eats it

46.
An organism that cannot adapt to changes in the environment will most likely - 
a)
produce more offspring
b)
die
c)
change its traits to survive
d)
store more food
47.
First species to arrive in an area
a)
invasive species
b)
abiotic components
c)
pioneer species
d)
parasites
48.
Series of changes where other organisms have not previously lived
a)
primary succession
b)
secondary succession
c)
commensalism
d)
competition
49.
Series of changes where an existing community is destroyed
a)
primary succession
b)
secondary succession
c)
commensalism
d)
competition
50.
Stable, final stage of succession
a)
adaptation
b)
pioneer species
c)
niche
d)
climax community
51.

Individuals in a population that have the traits needed to survive in the environment get to survive and reproduce. Their offspring inherit those traits. Over time, a greater percentage of the population will have those successful traits.

a)

Natural selection

b)

Selective breeding

c)

Artificial selection

d)

Mutations

52.

Random changes in the DNA are -

a)

Natural selection

b)

Mutations

c)

Adaptations

d)

Genetic migration

53.

If there are 10 sharks in one area, but only 1 fish. What behavior will occur between the sharks?

a)

commensalism

b)

competition

c)

parasitism

54.

One animal in a group has more rank than others is known as...

a)

competition

b)

cooperation

c)

social hierarchy

d)

territorial imperative

55.

) In plant tissue culture technique surface sterilization of explant is made by…………

a)

Hydrochloric acid

b)

Sulphuric acid

c)

Mercury chloride

d)

Nitric acid

56.

In DNA replication okazaki fragments on lagging are joined together by enzyme

a)

Helicase

b)

Primase

c)

DNA ligase

d)

RNA ligase

57.

Restriction Endonucleases are ……………enzyme

a)

Bacterial

b)

Viral

c)

Fungal

d)

Algal

58.

Agrobacterium cell consist of ………..as independent replication circular DNA

a)

Cosmid

b)

Plasmid

c)

Ti-Plasmid

d)

L-Plasmid

59.

……………Medium is commonly used in tissue culture technique

a)

PDA

b)

M.S.

c)

Agar-Agar

d)

Czapek Dox

60.

In PCR reaction .....enyme is used.

a)

Taq polymerase

b)

Reductase

c)

Phosphatse

d)

Dehydrogenase

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