UGC NET Question Paper 2022 - Set 2: Solutions | UGC NET Past Year Papers PDF Download

 Page 2


The number of overweight men = 30% of 31500 = 30/100 × 31500 = 9450
The required difference = 9600 – 9450 = 150
5. (d): The required ratio between overweight women in 2018 and number of overweight men in 2020
= 25% of 30000 : 12% of 35000
= 750 : 420
= 25 : 14
Thus, (d) is the correct answer.
6. (b): Central Processing Unit (CPU): This part of a computer is comprised with digital circuits called arithmetic
logic units (ALU) that are capable of performing billions of arithmetic and logic operations every second.
ALU is a digital circuit used to perform arithmetic and logic operations. This makes the fundamental building
block of the CPU of a system. The modern CPUs contain powerful and complex ALUs.
Control Unit (CU) - Modern CPUs contain a CU, in addition to ALUs. CU tells the ALU what operation is to
be performed on the data. ALU stores the result in an output register. CU moves the data between these
registers, the ALU, and memory.
Process Registers – ALUs load data from input registers. A register is a small amount of storage available as
part of a CPU.
The information in a computer is stored and manipulated in the form of binary numbers, i.e. 0 and 1 which are
managed by Transistor switches which are open or closed.
Block diagram of a basic computer with uniprocessor CPU. Black lines indicate data flow, whereas red lines
indicate control flow. Arrows indicate the direction of flow.
7. (c): Bioaccumulation describes the accumulation and enrichment of contaminants in organisms, relative to that in
the environment. Bioaccumulation is the net result of all uptake and loss processes. Uptakes are respiratory and
dietary. Loss happens by egestion, passive diffusion, metabolism, transfer to offspring and growth.
8. (b): ‘Leaves are Green’ and ‘Green is Good’ are coded by 467 and 485, respectively. The word Green is there in
both sentences and so is 4. Thus, ‘Green’ is indicated by 4 ………..(1)
Similarly, in ‘Leaves are Green’ and ‘They are playing’, coded by 467 and 639 respectively, the word ‘are’ is
common. Their codes also have 6 in common……………..(2)
Comparing (1) and (2) and Leaves are Green with each other, we can say that leaves are indicated by 7.
Thus, (b) is the right answer.
9. (d): There are different phases of human learning:
1. Cognitive - knowing, or head
2. Affective - emotions, feelings, or heart and
3. Psychomotor - doing, or kinesthetic, tactile, haptic or hand/body
Page 3


The number of overweight men = 30% of 31500 = 30/100 × 31500 = 9450
The required difference = 9600 – 9450 = 150
5. (d): The required ratio between overweight women in 2018 and number of overweight men in 2020
= 25% of 30000 : 12% of 35000
= 750 : 420
= 25 : 14
Thus, (d) is the correct answer.
6. (b): Central Processing Unit (CPU): This part of a computer is comprised with digital circuits called arithmetic
logic units (ALU) that are capable of performing billions of arithmetic and logic operations every second.
ALU is a digital circuit used to perform arithmetic and logic operations. This makes the fundamental building
block of the CPU of a system. The modern CPUs contain powerful and complex ALUs.
Control Unit (CU) - Modern CPUs contain a CU, in addition to ALUs. CU tells the ALU what operation is to
be performed on the data. ALU stores the result in an output register. CU moves the data between these
registers, the ALU, and memory.
Process Registers – ALUs load data from input registers. A register is a small amount of storage available as
part of a CPU.
The information in a computer is stored and manipulated in the form of binary numbers, i.e. 0 and 1 which are
managed by Transistor switches which are open or closed.
Block diagram of a basic computer with uniprocessor CPU. Black lines indicate data flow, whereas red lines
indicate control flow. Arrows indicate the direction of flow.
7. (c): Bioaccumulation describes the accumulation and enrichment of contaminants in organisms, relative to that in
the environment. Bioaccumulation is the net result of all uptake and loss processes. Uptakes are respiratory and
dietary. Loss happens by egestion, passive diffusion, metabolism, transfer to offspring and growth.
8. (b): ‘Leaves are Green’ and ‘Green is Good’ are coded by 467 and 485, respectively. The word Green is there in
both sentences and so is 4. Thus, ‘Green’ is indicated by 4 ………..(1)
Similarly, in ‘Leaves are Green’ and ‘They are playing’, coded by 467 and 639 respectively, the word ‘are’ is
common. Their codes also have 6 in common……………..(2)
Comparing (1) and (2) and Leaves are Green with each other, we can say that leaves are indicated by 7.
Thus, (b) is the right answer.
9. (d): There are different phases of human learning:
1. Cognitive - knowing, or head
2. Affective - emotions, feelings, or heart and
3. Psychomotor - doing, or kinesthetic, tactile, haptic or hand/body
Bloom’s Cognitive Taxonomy in 1956 had remained an essential element in teacher training. The updated
version was done by Anderson and Krathwohl in 2001. Affective skills were added in 1961 by David
Krathwohl.
The revised taxonomy has these elements –
1. Remember - Recognizing and Recalling
2. Understand - Interpreting, Exemplifying, Classifying, Summarizing, Inferring, Comparing,
Explaining
3. Apply - Executing, Implementing
4. Analyze - Differentiating, Organizing, Attributing
5. Evaluate - Checking, Critiquing
6. Create - Generating, Planning, Producing
10. (c): In a spreadsheet application, whenever a cell with a formula is copied over to another cell, any cell
references in the formula will shift as per the relative shift in the references of the copied cell and its destination.
The above behaviour can be explicitly disabled by using the ‘$’ character before the column letter or row
number or both in the cell references in a formula.
We can take a look at what happens to the formula in cells C3 and D2, when they are copied over from C2.
Example 1 - C2 contain the formula ‘= A2 + B2’
1. C3 will get the formula ‘= A3 + B3’
2. D2 will get the formula ‘= B2 + C2’
Example 2 - C2 contain the formula ‘= $A2 + B$2’
1. C3 will get the formula ‘= $A3 + B$2’
2. D2 will get the formula ‘= $A2 + C$2’
In the above example, the column A in the first reference and row number 2 in the second reference were
made absolute using the ‘$’ sign in the original formula of cell C2. Thus, when C2 was copied over to C3 and
D2, the absolute part of both cell references didn’t change in the formula.
In the given question, the value of the formula in cell C4 is ‘= $A$3 + B2’. When this formula is copied over
to the cell C5, its value would become ‘= $A$3 + B3’, as per the behaviour laid out above. Thus, value of C5
comes out to be 7.
11. (d): Learning allows us to make sense of the world around us, the world inside of us, and where we fit within the
world. The life and society have become very complex, the situations are diverse, we have to deal with new
Page 4


The number of overweight men = 30% of 31500 = 30/100 × 31500 = 9450
The required difference = 9600 – 9450 = 150
5. (d): The required ratio between overweight women in 2018 and number of overweight men in 2020
= 25% of 30000 : 12% of 35000
= 750 : 420
= 25 : 14
Thus, (d) is the correct answer.
6. (b): Central Processing Unit (CPU): This part of a computer is comprised with digital circuits called arithmetic
logic units (ALU) that are capable of performing billions of arithmetic and logic operations every second.
ALU is a digital circuit used to perform arithmetic and logic operations. This makes the fundamental building
block of the CPU of a system. The modern CPUs contain powerful and complex ALUs.
Control Unit (CU) - Modern CPUs contain a CU, in addition to ALUs. CU tells the ALU what operation is to
be performed on the data. ALU stores the result in an output register. CU moves the data between these
registers, the ALU, and memory.
Process Registers – ALUs load data from input registers. A register is a small amount of storage available as
part of a CPU.
The information in a computer is stored and manipulated in the form of binary numbers, i.e. 0 and 1 which are
managed by Transistor switches which are open or closed.
Block diagram of a basic computer with uniprocessor CPU. Black lines indicate data flow, whereas red lines
indicate control flow. Arrows indicate the direction of flow.
7. (c): Bioaccumulation describes the accumulation and enrichment of contaminants in organisms, relative to that in
the environment. Bioaccumulation is the net result of all uptake and loss processes. Uptakes are respiratory and
dietary. Loss happens by egestion, passive diffusion, metabolism, transfer to offspring and growth.
8. (b): ‘Leaves are Green’ and ‘Green is Good’ are coded by 467 and 485, respectively. The word Green is there in
both sentences and so is 4. Thus, ‘Green’ is indicated by 4 ………..(1)
Similarly, in ‘Leaves are Green’ and ‘They are playing’, coded by 467 and 639 respectively, the word ‘are’ is
common. Their codes also have 6 in common……………..(2)
Comparing (1) and (2) and Leaves are Green with each other, we can say that leaves are indicated by 7.
Thus, (b) is the right answer.
9. (d): There are different phases of human learning:
1. Cognitive - knowing, or head
2. Affective - emotions, feelings, or heart and
3. Psychomotor - doing, or kinesthetic, tactile, haptic or hand/body
Bloom’s Cognitive Taxonomy in 1956 had remained an essential element in teacher training. The updated
version was done by Anderson and Krathwohl in 2001. Affective skills were added in 1961 by David
Krathwohl.
The revised taxonomy has these elements –
1. Remember - Recognizing and Recalling
2. Understand - Interpreting, Exemplifying, Classifying, Summarizing, Inferring, Comparing,
Explaining
3. Apply - Executing, Implementing
4. Analyze - Differentiating, Organizing, Attributing
5. Evaluate - Checking, Critiquing
6. Create - Generating, Planning, Producing
10. (c): In a spreadsheet application, whenever a cell with a formula is copied over to another cell, any cell
references in the formula will shift as per the relative shift in the references of the copied cell and its destination.
The above behaviour can be explicitly disabled by using the ‘$’ character before the column letter or row
number or both in the cell references in a formula.
We can take a look at what happens to the formula in cells C3 and D2, when they are copied over from C2.
Example 1 - C2 contain the formula ‘= A2 + B2’
1. C3 will get the formula ‘= A3 + B3’
2. D2 will get the formula ‘= B2 + C2’
Example 2 - C2 contain the formula ‘= $A2 + B$2’
1. C3 will get the formula ‘= $A3 + B$2’
2. D2 will get the formula ‘= $A2 + C$2’
In the above example, the column A in the first reference and row number 2 in the second reference were
made absolute using the ‘$’ sign in the original formula of cell C2. Thus, when C2 was copied over to C3 and
D2, the absolute part of both cell references didn’t change in the formula.
In the given question, the value of the formula in cell C4 is ‘= $A$3 + B2’. When this formula is copied over
to the cell C5, its value would become ‘= $A$3 + B3’, as per the behaviour laid out above. Thus, value of C5
comes out to be 7.
11. (d): Learning allows us to make sense of the world around us, the world inside of us, and where we fit within the
world. The life and society have become very complex, the situations are diverse, we have to deal with new
situations every time. Thus, engagement of students in different activities is very important so that there is
wholesome development of personality. Education helps us get exposure to new ideas and concepts.
12. (b):
A. Emphasize your interpretation approach indicates that we may be highly subjective. It is not
relevant as we have to deal with open and diverse society. The globalization has happened all
around. This type of approach also indicates the feeling of ‘ethnocentrism’.
B. Forgetting your own culture means that we as a culture are not participating so that
establishing contact with others may not be fruitful.
C. An ecosystem of mutual respect creates the feeling of trust so that one culture can
communicate better with other cultures.
D. Knowing the cultural context of other people promotes the feeling of ‘cultural relativism’, so
that we emphasize that every culture is equally important. This helps in better communication
with other cultures.
E. Stating facts means that we believe in transparency and trustworthiness. We are not hiding
anything.
Thus, (b) is the correct answer.
13. (c): Ignoratio elenchi, is also called as ‘ignorance of the refutation’. Refute means overthrow by argument,
evidence, or prove to be false or incorrect or controvert. It is broadly defined as any incorrect argument which
reaches an evidentially irrelevant conclusion. Historically, the fallacy is also more NARROWLY defined as a
counterargument to an argument which does not attempt to prove the contradictory of what was intended to be
proved.
In this statement, hunger of knowledge and hunger of food are narrowly linked, without any substantial value.
Practically, it functions as a ‘catch-all’ category. The Traditional Form of Ignoratio Elenchi (fallacy of
irrelevancy) is occurring here whenever the conclusion of an argument is irrelevant to its premises. The
fallacy of non sequitur is often identified with this version.
14. (a): Both statements are true.
Statement 1 - Here, we can speak about three models of communication – linear, transactional and
interactive.
The linear model is transmission of communication - mostly one way communication. So, called as
transmission model of communication.
Transactional Model takes into account social and relational aspects and thus social context.
Interactive Models talk about channel (the way messages are sent and received), field of experience, physical
context and psychological context. We can take the examples of social media, interactive and online
marketing, user generated contents, chat rooms etc. for interactive communication. We always look for
immediate feedback. Here, the communication is a process where participants alternate positions as sender
and receiver and generate meaning by sending messages and receiving feedback within physical and
psychological contexts.
1. The continuous feedback is the main element in interactive communication. We are quickly
able to understand if a message is received or understood. WhatsApp may be taken as an
example.
2. There are continuous updates and communication with audiences.
3. There is more transparency in our interactive communication.
4. There are additional alignment opportunities. That was it seems to be extrovert as well.
5. We can share information with large audiences.
For statement 2 - The interested candidates may look for Bloom Taxonomy once again that comes for digital
iconic communication.
15. (c): Internal validity is concerned with correctly concluding that an independent variable and not some
extraneous variable is responsible for a change in the dependent variable.
External validity refers to the generalizability and also to randomisation of the treatment/condition outcomes.
Page 5


The number of overweight men = 30% of 31500 = 30/100 × 31500 = 9450
The required difference = 9600 – 9450 = 150
5. (d): The required ratio between overweight women in 2018 and number of overweight men in 2020
= 25% of 30000 : 12% of 35000
= 750 : 420
= 25 : 14
Thus, (d) is the correct answer.
6. (b): Central Processing Unit (CPU): This part of a computer is comprised with digital circuits called arithmetic
logic units (ALU) that are capable of performing billions of arithmetic and logic operations every second.
ALU is a digital circuit used to perform arithmetic and logic operations. This makes the fundamental building
block of the CPU of a system. The modern CPUs contain powerful and complex ALUs.
Control Unit (CU) - Modern CPUs contain a CU, in addition to ALUs. CU tells the ALU what operation is to
be performed on the data. ALU stores the result in an output register. CU moves the data between these
registers, the ALU, and memory.
Process Registers – ALUs load data from input registers. A register is a small amount of storage available as
part of a CPU.
The information in a computer is stored and manipulated in the form of binary numbers, i.e. 0 and 1 which are
managed by Transistor switches which are open or closed.
Block diagram of a basic computer with uniprocessor CPU. Black lines indicate data flow, whereas red lines
indicate control flow. Arrows indicate the direction of flow.
7. (c): Bioaccumulation describes the accumulation and enrichment of contaminants in organisms, relative to that in
the environment. Bioaccumulation is the net result of all uptake and loss processes. Uptakes are respiratory and
dietary. Loss happens by egestion, passive diffusion, metabolism, transfer to offspring and growth.
8. (b): ‘Leaves are Green’ and ‘Green is Good’ are coded by 467 and 485, respectively. The word Green is there in
both sentences and so is 4. Thus, ‘Green’ is indicated by 4 ………..(1)
Similarly, in ‘Leaves are Green’ and ‘They are playing’, coded by 467 and 639 respectively, the word ‘are’ is
common. Their codes also have 6 in common……………..(2)
Comparing (1) and (2) and Leaves are Green with each other, we can say that leaves are indicated by 7.
Thus, (b) is the right answer.
9. (d): There are different phases of human learning:
1. Cognitive - knowing, or head
2. Affective - emotions, feelings, or heart and
3. Psychomotor - doing, or kinesthetic, tactile, haptic or hand/body
Bloom’s Cognitive Taxonomy in 1956 had remained an essential element in teacher training. The updated
version was done by Anderson and Krathwohl in 2001. Affective skills were added in 1961 by David
Krathwohl.
The revised taxonomy has these elements –
1. Remember - Recognizing and Recalling
2. Understand - Interpreting, Exemplifying, Classifying, Summarizing, Inferring, Comparing,
Explaining
3. Apply - Executing, Implementing
4. Analyze - Differentiating, Organizing, Attributing
5. Evaluate - Checking, Critiquing
6. Create - Generating, Planning, Producing
10. (c): In a spreadsheet application, whenever a cell with a formula is copied over to another cell, any cell
references in the formula will shift as per the relative shift in the references of the copied cell and its destination.
The above behaviour can be explicitly disabled by using the ‘$’ character before the column letter or row
number or both in the cell references in a formula.
We can take a look at what happens to the formula in cells C3 and D2, when they are copied over from C2.
Example 1 - C2 contain the formula ‘= A2 + B2’
1. C3 will get the formula ‘= A3 + B3’
2. D2 will get the formula ‘= B2 + C2’
Example 2 - C2 contain the formula ‘= $A2 + B$2’
1. C3 will get the formula ‘= $A3 + B$2’
2. D2 will get the formula ‘= $A2 + C$2’
In the above example, the column A in the first reference and row number 2 in the second reference were
made absolute using the ‘$’ sign in the original formula of cell C2. Thus, when C2 was copied over to C3 and
D2, the absolute part of both cell references didn’t change in the formula.
In the given question, the value of the formula in cell C4 is ‘= $A$3 + B2’. When this formula is copied over
to the cell C5, its value would become ‘= $A$3 + B3’, as per the behaviour laid out above. Thus, value of C5
comes out to be 7.
11. (d): Learning allows us to make sense of the world around us, the world inside of us, and where we fit within the
world. The life and society have become very complex, the situations are diverse, we have to deal with new
situations every time. Thus, engagement of students in different activities is very important so that there is
wholesome development of personality. Education helps us get exposure to new ideas and concepts.
12. (b):
A. Emphasize your interpretation approach indicates that we may be highly subjective. It is not
relevant as we have to deal with open and diverse society. The globalization has happened all
around. This type of approach also indicates the feeling of ‘ethnocentrism’.
B. Forgetting your own culture means that we as a culture are not participating so that
establishing contact with others may not be fruitful.
C. An ecosystem of mutual respect creates the feeling of trust so that one culture can
communicate better with other cultures.
D. Knowing the cultural context of other people promotes the feeling of ‘cultural relativism’, so
that we emphasize that every culture is equally important. This helps in better communication
with other cultures.
E. Stating facts means that we believe in transparency and trustworthiness. We are not hiding
anything.
Thus, (b) is the correct answer.
13. (c): Ignoratio elenchi, is also called as ‘ignorance of the refutation’. Refute means overthrow by argument,
evidence, or prove to be false or incorrect or controvert. It is broadly defined as any incorrect argument which
reaches an evidentially irrelevant conclusion. Historically, the fallacy is also more NARROWLY defined as a
counterargument to an argument which does not attempt to prove the contradictory of what was intended to be
proved.
In this statement, hunger of knowledge and hunger of food are narrowly linked, without any substantial value.
Practically, it functions as a ‘catch-all’ category. The Traditional Form of Ignoratio Elenchi (fallacy of
irrelevancy) is occurring here whenever the conclusion of an argument is irrelevant to its premises. The
fallacy of non sequitur is often identified with this version.
14. (a): Both statements are true.
Statement 1 - Here, we can speak about three models of communication – linear, transactional and
interactive.
The linear model is transmission of communication - mostly one way communication. So, called as
transmission model of communication.
Transactional Model takes into account social and relational aspects and thus social context.
Interactive Models talk about channel (the way messages are sent and received), field of experience, physical
context and psychological context. We can take the examples of social media, interactive and online
marketing, user generated contents, chat rooms etc. for interactive communication. We always look for
immediate feedback. Here, the communication is a process where participants alternate positions as sender
and receiver and generate meaning by sending messages and receiving feedback within physical and
psychological contexts.
1. The continuous feedback is the main element in interactive communication. We are quickly
able to understand if a message is received or understood. WhatsApp may be taken as an
example.
2. There are continuous updates and communication with audiences.
3. There is more transparency in our interactive communication.
4. There are additional alignment opportunities. That was it seems to be extrovert as well.
5. We can share information with large audiences.
For statement 2 - The interested candidates may look for Bloom Taxonomy once again that comes for digital
iconic communication.
15. (c): Internal validity is concerned with correctly concluding that an independent variable and not some
extraneous variable is responsible for a change in the dependent variable.
External validity refers to the generalizability and also to randomisation of the treatment/condition outcomes.
A. Randomisation - We need unbiased and objective in our research, and randomisation helps
in that. In simple terms, randomization eliminates predictability. It follows the theory of
probability. This removes the possibility of any kind of human interruption by the researcher.
Randomization eliminates accidental bias, including selection bias.
Assume that a teacher has to select 10 students out of 100 for a research purpose, they can be
any ten. Everyone in the class stands 1/100 chance of selection which are equal for anyone.
This equal chance of being selected is called as randomisation.
B. Generalisation – It means that results of a research study are applicable to the outer world.
That is called as the external validity.
C. Maturation – The processes within subjects act as a function of the passage of time. This
happens when study is conducted on people which are base of research findings. If that
element changes over a period of time, it threatens the internal validity of the research.
D. History – This refers to any event other than the ‘independent variable’. History--the specific
events which occur between the first and second measurement.
E. Instrumentation – The reliability of the instrument used to gauge the dependent variable or
manipulate the independent variable may change in the course of an experiment. Thus,
internal validity may be threatened.
Both A and B facilitate the objectivity, unbiasedness and validity of research. The question is about the threat
to internal validity in research. In this case, these factors also matter for future questions.
1. Testing - first test affecting the subsequent tests
2. Statistical regression - candidates with extreme scores, for example, choosing the poorest or
the most intelligent students in the class
3. Experimental mortality - that is the loss of subjects
4. Selection of subjects - the biases which may result in selection of comparison groups.
Randomisation can help in minimisation of this effect.
When the sample size is small, randomization may lead to Simpson Paradox. Similarly, the students can study
John Henry effect for additional knowledge that is not conducive to internal validity.
The NET aspirants may remember the following aspects which apply on external validity for future questions.
1. Reactive or interaction effect of testing
2. Interaction effects of selection biases and the experimental variable
3. Reactive effects of experimental arrangements
4. Multiple treatment interference
16. (a): All these universities are actually ancient universities. India is one of the oldest civilizations in the world. It
was a centre for higher learning in ancient times. India contributed greatly to the field of Mathematics, Astrology,
Astronomy, and other sciences. Vedic science was so advanced that it could be compared with the present day’s
scientific inventions.
Taxila university was one of the oldest universities of the world but that was not completely centralized. The
government has tried to revive the concept of Nalanda University in Bihar.
17. (c): With video conferencing we can conduct meetings in two or more locations by audio and video
transmission. VC specifically uses web cameras, display devices, microphones (for voice communication), high-
speed Internet connectivity and personal computers. With VC, those who participate in the meeting can see, hear
and speak to one another, regardless of their geographical location. This is useful, can be used both in home and
business.
During recent times, the availability of cloud-based services has facilitated the to – do video conferencing
with minimal upfront investment. Now there is advantage of rapidly emerging Artificial Intelligence (AI)
powered features to improve both the audio and video performance.
18. (b): Let the original number of students = X