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Q1

For which of the following purposes the Deuteration of Drugs is performed to

1. Increase duration of pharmacological action

2. Provide a distinct colour to the drug.

3. Decrease the side effects

4. Enhance therapeutic efficiency

Select the correct answer using the code given below:

Q2

For which of the following purposes 3D printer can be used?

1. Manufacturing of products with high security features to avoid piracy

2. Developing artificial blood vessels

3. Reconstructing heavily damaged evidence retrieved from a crime scene

4. Manufacturing cookies and chocolates

Select the correct answer using the code given below:

Q3

Which of the following are benefits of bioprinting?

1. No need of immune-suppressant drugs that are required in normal organ transplant.

2. No rejection of organs and DNA.

3. It will promote organ donation and make it more affordable

Select the correct answer using the code given below:

Q4

The term ‘truth drug’ or ‘truth serum’ is closely associated with

Q5

With reference to Kevlar plastic, consider the following statements:

1. It is strong and heavy in weight.

2. It does not melt like plastics.

3. It cannot be used at very low temperatures.

4. It is capable of preventing from chemical attacks.

Which of the statements given above is/are correct?

Q6

Which of the following is/are advantages of Hydroponics?

1. Less water cost

2. No pollution is generated

3. Less nutrition cost

4. Plants can be easily gotten rid of pests and diseases

Select the correct answer using the code given below:

Q7

With reference to FASTag, consider the following statements:

1. It uses a stereo camera and LiDAR technology.

2. If a potential collision is detected, it first tries to alert the driver that an emergency is needed.

Which of the statements given above is/are correct?

Q8

Consider the following statements:

1. In a nuclear reactor, Heavy water can be used both as a moderator as well as a coolant.  

2. Magnetrons convert electricity into microwaves and vice versa.

Which of the statements given above is/are correct?

Q1.

For which of the following purposes the Deuteration of Drugs is performed to

1. Increase duration of pharmacological action

2. Provide a distinct colour to the drug.

3. Decrease the side effects

4. Enhance therapeutic efficiency

Select the correct answer using the code given below:

a) 2 only
b) 1 and 3 only
c) 1, 3 and 4 only
d) 4 only
Solution : c)
Unattempted. Explanation :-

Exp) Deuteration of drugs, altered metabolism of some drugs, which could lead to increased duration of pharmacological action and/or reduction of toxic manifestation.  By Deuterated drugs, therapeutic efficiency is enhanced. Deuteration of anticancer drugs decreases side effects, while also retaining its efficacy.  Hence, the correct answer is C.

Source)

Chapter 24; page number 532

 

Q2.

For which of the following purposes 3D printer can be used?

1. Manufacturing of products with high security features to avoid piracy

2. Developing artificial blood vessels

3. Reconstructing heavily damaged evidence retrieved from a crime scene

4. Manufacturing cookies and chocolates

Select the correct answer using the code given below:

a) 1 and 3 only
b) 2, 3 and 4 only
c) 4 only
d) 1, 2, 3 and 4
Solution : b)
Unattempted. Explanation :-

Exp) 3D printing/additive manufacturing/rapid prototyping is a process of making three-dimensional solid objects with the help of a digital file/format. A 3D-object is printed by using additive processes or successive layering method. These layers are in the form of the thinly sliced horizontal cross-section of the eventual object.

Companies have used 3D printers in their design process to create prototypes since the late seventies. Using 3D printers for these purposes is called rapid prototyping.

Statements 2, 3 and 4 are correct. Organ printing is a mode of integrating biology to use 3D printing technology. It is s technique (3D printer) that is used for the development of artificial organs of human body i.e. skin, blood vessels etc.

Statement 1 is incorrect. Anything can be made by 3D printer, so criminals can misuse it to create illegal products. 3D printers can also create issues of Intellectual Property Rights for the 3D Printer user.

Different industries where 3D printing is used are:

1.    Aerospace industry

2.    Architecture Industry

3.    Automotive Industry

4.    Commercial products

5.    Consumer goods industry

6.    Consumer electronics

7.    Defense industry

8.    Medical industry

9.    Education industry

10.    Moulding industry

Source)

Chapter 24; page number 533

Q3.

Which of the following are benefits of bioprinting?

1. No need of immune-suppressant drugs that are required in normal organ transplant.

2. No rejection of organs and DNA.

3. It will promote organ donation and make it more affordable

Select the correct answer using the code given below:

a) 2 only
b) 1 and 3 only
c) 1 and 2 only
d) 1, 2 and 3
Solution : c)
Unattempted. Explanation :-

Exp) Benefits of bioprinting:

1.    No rejection of organs and DNA because own cells are used

2.    No need of immune-suppressant drugs that are required in normal organ transplant

3.    It will eliminate organ donation

4.    No need to wait for organ availability

Source) Chapter 24; page number 533

 

Q4.

The term ‘truth drug’ or ‘truth serum’ is closely associated with

a) Polygraph
b) Narcoanalysis
c) Brain Mapping
d) Critical Incident Response
Solution : b)
Unattempted. Explanation :-

Exp) Narcoanalysis is a type of controlled administration with the help of intravenous hypnotic medicines used in suspected persons. Hypnotic medicines are also called as truth drugs. 

A person is able to lie with the use of his/her imagination. It is an active process, which requires mental effort. In the narcoanalysis test, the subject’s inhibitions and mental defence are lowered by interfering with his nervous system with the use of drugs. The narcoanalysis test is conducted by dissolving 3 grams of Sodium Pentothal or Sodium Amytal in 3000 millimeters of distilled water.

Source) chapter 24; page number 533

 

 

Q5.

With reference to Kevlar plastic, consider the following statements:

1. It is strong and heavy in weight.

2. It does not melt like plastics.

3. It cannot be used at very low temperatures.

4. It is capable of preventing from chemical attacks.

Which of the statements given above is/are correct?

a) 2 and 4 only
b) 1 and 3 only
c) 1, 2 and 3 only
d) 2, 3 and 4 only
Solution : a)
Unattempted. Explanation :-

Exp) Kevlar is a super-strong plastic. Kevlar's amazing properties are partly due to its internal structure, how its molecules are naturally arranged in regular, parallel lines and partly due to the way it is made into fibers that are knitted tightly together.

Super-strong Kevlar is known for its use in body armour (bullet-resistant vests).

These are some of Kevlar's properties:

1. It is strong as well as light in weight. Hence, statement 1 is incorrect.

2. It does not melt like plastics. Hence, statement 2 is correct.

3.  It can be used even at very low temperatures. Hence, statement 3 is incorrect.

4. Kevlar is capable of preventing attacks from different chemicals. Though, long exposure to strong acids or bases will degrade it over a period of time. Hence, statement 4 is correct.

Source) Chapter 24; page number 535

Q6.

Which of the following is/are advantages of Hydroponics?

1. Less water cost

2. No pollution is generated

3. Less nutrition cost

4. Plants can be easily gotten rid of pests and diseases

Select the correct answer using the code given below:

a) 2, 3 and 4 only
b) 1 and 2 only
c) 4 only
d) 1, 2, 3 and 4
Solution : d)
Unattempted. Explanation :-

Exp) All the statements are correct.

Advantages of Hydroponics:

1. No need for land for soil

2. Less water cost because the water remains in the system and can be further reused.

3. Less nutrition cost because levels will be in control, based on the requirement for plant growth.

4. No pollution is generated in the environment.

5. High productivity and controlled productivity in this system.

6. Plants can be easily gotten rid of pests and diseases.

7. Hydroponics can be applied in those areas where in-ground agriculture or gardening is not possible.

Source) Chapter 24; page number 537

Q7.

With reference to FASTag, consider the following statements:

1. It uses a stereo camera and LiDAR technology.

2. If a potential collision is detected, it first tries to alert the driver that an emergency is needed.

Which of the statements given above is/are correct?

a) 1 only
b) 2 only
c) Both 1 and 2
d) Neither 1 nor 2
Solution : d)
Unattempted. Explanation :-

Exp) Both the statements are incorrect.

FASTag is a RFID passive tag used for making toll payments directly from the customers linked prepaid or savings/current account. It is affixed on the windscreen of the vehicle and enables the customer to drive through toll plazas, without stopping for any toll payments. The toll fare is directly deducted from the linked account of the customer.

FASTag is a device that employs Radio Frequency Identification (RFID) technology for making toll payments directly while the vehicle is in motion. FASTag (RFID Tag) is affixed on the windscreen of the vehicle and enables a customer to make the toll payments directly from the account which is linked to FASTag.

FASTag is also vehicle specific and once it is affixed to a vehicle, it cannot be transferred to another vehicle. FASTag can be purchased from any of the NETC Member Banks. If a FASTag is linked to the prepaid account, then it needs to be recharged/ topped-up as per the usage of the customer. If adequate balance is not maintained by the customer, the FASTag gets blacklisted at the toll plaza. In such a scenario if the customer travels through a toll plaza without recharging then he won't be able to avail the NETC services and would be required to pay the toll fare through cash.

Source)

https://www.npci.org.in/netc

Q8.

Consider the following statements:

1. In a nuclear reactor, Heavy water can be used both as a moderator as well as a coolant.  

2. Magnetrons convert electricity into microwaves and vice versa.

Which of the statements given above is/are correct?

a) 1 only
b) 2 only
c) Both 1 and 2
d) Neither 1 nor 2
Solution : a)
Unattempted. Explanation :-

Exp) Statement 1 is correct. Heavy water can be used both as a moderator as well as coolant in a nuclear reactors. But, Heavy water is used as a good moderator and not as a coolant.

Statement 2 is incorrect. Magnetrons convert electricity into microwaves, which enables wireless power transfer over long distance. A rectenna or a rectifying antenna converts microwaves to electricity.

Source) Chapter 24; page number 543