India: Science and Technology Test 4

Question 1
1 / -0

A Cryoprotectant is a substance that is used to protect biological tissue from freezing damage (i.e., that due to ice formation). Which of the following can be used by different species as Cryoprotectant?
$$1.$$ Sugars $$2.$$ Fats $$3.$$ Glycerols
Select the correct answer using the codes given below.

A
$$1$$ and $$2$$

B
$$2$$ and $$3$$

C
$$1$$ and $$3$$

D
Only $$3$$

Question 2
1 / -0

What do you mean by Biocompatibility?
$$1.$$ It is related to the behavior of biomaterials in various contexts.
$$2.$$ The term refers to the ability of a material to perform with an appropriate host response in a specific situation.
$$3.$$ It is actually a self sufficiency of an organism to ensure its ability to withstand the adverse effect during grafting of a particular organ which is present in every animals.
$$4.$$ Biocompatibility is the capability of a prosthesis implanted in the body to exist in harmony with tissue without causing deleterious changes.
Select the correct answer using the codes given below.

A
$$1, 2$$ and $$3$$

B
$$2, 3$$ and $$4$$

C
$$2$$ and $$4$$

D
$$1, 2$$ and $$4$$

Question 3
1 / -0

Consider the following statements
$$1.$$ Horizontal gene transfer (HGT) refers to the transfer of genes between organisms in a manner other than traditional reproduction.
$$2.$$ Horizontal gene transfer is the primary reason for bacterial antibiotic resistance and plays an important role in the evolution of bacteria that can degrade novel compounds such as human-created pesticides.
Select the correct answer using the codes given below.

A
Only $$1$$

B
Only $$2$$

C
Both $$1$$ and $$2$$

D
Neither $$1$$ nor $$2$$

Question 4
1 / -0

Which is/ are true regarding Biotechnology?
$$1.$$ It is the application of scientific and engineering principles to the processing of materials by biological agents to provide goods and services.
$$2.$$ Yet the formation of a new field, genetic engineering, would soon bring biotechnology to the forefront of science in society, and the intimate relationship between the scientific community, the public, and the government would ensue.
$$3.$$ Biotechnology arose from the field of zymotechnology, which began as a search for a better understanding of industrial fermentation, particularly beer.
$$4.$$ Genetic engineering in biotechnology stimulated hopes for both therapeutic proteins, drugs and biological organisms themselves, such as seeds, pesticides, engineered yeasts, and modified human cells for treating genetic diseases.
$$5.$$ Biotechnology comes under the broad heading of Genetic Engineering.
Select the correct answer using the codes given below.

A
$$2, 3$$ and $$4$$

B
$$1, 3, 4$$ and $$5$$

C
$$1, 2, 3$$ and $$4$$

D
$$2$$ and $$4$$

Question 5
1 / -0

What is Virotherapy?

A
It is a therapy of treat viral infection in human beings.

B
It is a treatment using biotechnology to convert viruses into therapeutic agents by reprogamming viruses to treat diseases.

C
There are two main branches of virotherapy anti-cancer oncolytic viruses and viral immunotherapy.

D
It is actually used to change harmful viruses into useful one.

Question 6
1 / -0

Which one is known as cruelty free meat?

A
In vitro meet.

B
Meat from natural dead animal.

C
Plant products with animal nutrients.

D
None of the above.

Question 7
1 / -0

Consider the following items
$$1.$$ Bone plates
$$2.$$ Bone cement
$$3.$$ Contact lenses
$$4.$$ Breast implants
$$5.$$ Artificial ligaments and tendons
$$6.$$ Dental implants for tooth-fixation
$$7.$$ Joint replacements
$$8.$$ Skin repair devices (artificial tissue)
In which of the following items, biomaterials are frequently used.

A
$$1, 3, 4, 5$$ and $$7$$

B
$$2, 3, 5, 7$$ and $$8$$

C
$$1, 4, 5, 6, 7$$ and $$8$$

D
$$1, 2, 3, 4, 5, 6, 7$$ and $$8$$

Question 8
1 / -0

Which of the following is not true regarding biometrics?

A
It is used in computer science as a form of identification and access control of humans by their characteristics or traits.

B
Biometric identifiers are often categorised as physiological versus behavioural characteristics.

C
It is not possible to use this technology, to identify individuals in groups that are under surveillance.

D
All of the above.

Question 9
1 / -0

Nanorobots (nanobots) ____________.

A
Do not exist yet

B
Exist in experimental form in laboratories

C
Are already used in nanomedicine to remove plaque from the walls of arteries

D
Will be used by NASA in the next unmanned mission to Mars

Question 10
1 / -0

The prefix 'nano' from a _______________.

A
French word meaning billion.

B
Greek word meaning dwarf.

C
Spanish word meaning particle.

D
Latin word meaning invisible.

Submit Test

India: Science ...

Question 1

$$1$$ and $$2$$

$$2$$ and $$3$$

$$1$$ and $$3$$

Only $$3$$

Question 2

$$1, 2$$ and $$3$$

$$2, 3$$ and $$4$$

$$2$$ and $$4$$

$$1, 2$$ and $$4$$

Question 3

Only $$1$$

Only $$2$$

Both $$1$$ and $$2$$

Neither $$1$$ nor $$2$$

Question 4

$$2, 3$$ and $$4$$

$$1, 3, 4$$ and $$5$$

$$1, 2, 3$$ and $$4$$

$$2$$ and $$4$$

Question 5

It is a therapy of treat viral infection in human beings.

It is a treatment using biotechnology to convert viruses into therapeutic agents by reprogamming viruses to treat diseases.

There are two main branches of virotherapy anti-cancer oncolytic viruses and viral immunotherapy.

It is actually used to change harmful viruses into useful one.

Question 6

In vitro meet.

Meat from natural dead animal.

Plant products with animal nutrients.

None of the above.

Question 7

$$1, 3, 4, 5$$ and $$7$$

$$2, 3, 5, 7$$ and $$8$$

$$1, 4, 5, 6, 7$$ and $$8$$

$$1, 2, 3, 4, 5, 6, 7$$ and $$8$$

Question 8

It is used in computer science as a form of identification and access control of humans by their characteristics or traits.

Biometric identifiers are often categorised as physiological versus behavioural characteristics.

It is not possible to use this technology, to identify individuals in groups that are under surveillance.

All of the above.

Question 9

Do not exist yet

Exist in experimental form in laboratories

Are already used in nanomedicine to remove plaque from the walls of arteries

Will be used by NASA in the next unmanned mission to Mars

Question 10

French word meaning billion.

Greek word meaning dwarf.

Spanish word meaning particle.

Latin word meaning invisible.

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