UGC NET Questions (Paper – 1)

Early warning systems detect impending hazards and communicate timely information so that people can take protective action. Cyclone alerts broadcast before landfall give communities time to evacuate or secure property. The stem clearly describes this function,so “early warning” is the correct term. It is a key component of disaster risk reduction.

Option A:
Recovery refers to restoring livelihoods and infrastructure after a disaster has occurred. It does not capture the advance information sharing described in the question.

Option B:
Response includes immediate rescue and relief activities during or just after impact. Although related,it is activated after the warning,not the warning itself.

Option C:
Mitigation involves long term measures that reduce the potential impact of hazards,such as embankments or building codes. It is different from the communication systems that warn people of imminent events.

Option D:
Early warning saves lives by turning risk information into action through effective communication and preparedness. This is exactly the role depicted in the question stem.

A sampling plan outlines in detail how a sample will be drawn from the population, including allocations to strata or clusters and procedures for random selection. It ensures that the sampling process is systematic and follows the research design. By deciding in advance how many units will be taken from each subgroup, the researcher can achieve representativeness and precision. Thus, the schedule of allocations described in the stem is best termed a sampling plan.

Option A:
A sampling frame is the actual list or database of population elements from which the sample is selected, not the decision document specifying allocations and procedures. While essential, it is different from the plan that governs how many are chosen from each subgroup. Therefore, frame is not the correct answer.

Option B:
A sampling strategy indicates the overall approach, such as stratified, cluster or systematic sampling, but may not specify exact numbers for each stratum or cluster. The stem focuses on a concrete schedule of how many participants will be selected from each subgroup, which is more specific than a general strategy. Hence, strategy is not the best completion.

Option C:
A sampling plan details selection steps, allocation rules and sometimes replacement policies, translating the chosen strategy into actionable decisions. This aligns precisely with the stem’s description of specifying how many participants will be taken from each stratum or cluster.

Option D:
Sampling error refers to the difference between sample statistics and population parameters due to using a subset rather than the whole population. It is a type of error, not the pre-specified schedule for drawing the sample, so error is not appropriate here.

Statements A and B explain how combined graphs display related quantities with different graphical forms in the same figure. Statement C is correct because separate vertical scales mean each series must be read against its own axis. Statement E is also true; exam questions often focus on relative trends and comparisons rather than exact calculations. Statement D is false since assuming a common scale when there are two axes can lead to misinterpretation. Therefore, A, B, C and E only are correct, as given in option D.

Option A:
Option A is incomplete because it includes only A, B and C and omits E, which stresses the interpretative focus on trends that is common in NET data questions.

Option B:
Option B is incorrect because it omits B (a correct example of bar–line encoding), so it does not include all true statements even though A, C and E are true.

Option C:
Option C is incorrect because it excludes A (the general definition of combined graphs) and keeps only B, C and E, making it incomplete for “select correct statements”.

Option D:
Option D is correct as it gathers the correct structural and interpretative points about combined graphs and explicitly excludes D, which wrongly assumes a single scale for all series.

Big data refers to datasets characterised by high volume, velocity and variety that require advanced analytical tools for meaningful interpretation. In education, learning management systems and online platforms generate big data about learner behaviour and performance. Analysing such data can inform institutional decision making and personalised learning. Therefore, the term that fits the description is big data.

Option A:
Option A is correct because big data is the recognised label for large scale, complex data environments that go beyond the capacity of conventional processing tools.

Option B:
Option B, metadata, describes data about data, such as file properties, and does not necessarily imply large scale or complexity.

Option C:
Option C, spam, refers to unsolicited or irrelevant messages, especially in email, and is not a neutral term for extensive datasets.

Option D:
Option D, cache, is a small, fast memory used to store frequently accessed data, the opposite of large complex datasets.

Horizontal communication occurs between individuals at the same hierarchical level,often to coordinate tasks or share information. Two teachers of the same department are peers,so their project discussion is horizontal communication. It supports cooperation without changing authority lines. Therefore,the correct term is horizontal.

Option A:
Downward communication would involve instructions from a higher authority to these teachers,which is not described in the stem.

Option B:
Upward communication would move from these teachers to a higher authority,such as the head of department.

Option C:
Diagonal communication crosses both functional units and levels,for example between a teacher and an administrator in another unit; the stem does not show such crossing.

Option D:
Horizontal communication is vital for teamwork and reduces duplication of effort,exactly as when teachers coordinate a project,making option C appropriate.

Workload norms define how many hours of teaching and related activities faculty members should perform per week, often differentiated by cadre and type of institution. They help in planning timetables, staffing needs and equitable distribution of duties. The stem refers exactly to the expected number of weekly hours on teaching and related duties, which is determined by workload norms. Hence, Option C is the correct answer.

Option A:
Workload norms ensure that faculty responsibilities are manageable and appropriately balanced with research and extension activities. They also provide a basis for calculating teacher–student ratios and sanctioning posts, fitting the context of the question.

Option B:
Curriculum outlines the content and structure of academic programmes, not the specific hours a teacher must work each week. Thus, Option A does not answer what the stem is asking about.

Option C:
Examination norms relate to how tests are conducted and evaluated and do not primarily determine faculty teaching hours. Hence, Option B is not appropriate here.

Option D:
Hostel norms concern residential facilities and student welfare, which are unrelated to academic workload expectations, making Option D incorrect.

Statements A, B, C, E and F identify major environmental concerns and mitigation strategies related to ICT, while D is clearly false. Energy-hungry data centres and toxic e-waste are genuine problems, but power management, repair, reuse and green procurement can reduce impacts. Ignoring environmental considerations in infrastructure planning would conflict with sustainability goals. Therefore the correct set consists of A, B, C, E and F.

Option A:
Option A is correct because it brings together the main issues of energy use and e-waste with practical strategies for reduction. It also incorporates procurement policies and device-level power management, offering a comprehensive view of ICT and environment.

Option B:
Option B is incorrect because it omits F, thus missing the role of procurement policies in environmental responsibility. A, B, C and E are true, but ignoring equipment selection leaves out an important institutional lever.

Option C:
Option C is incorrect because it omits A and leaves out the specific mention of data centre energy use. While B, C, E and F are true, excluding A means an important dimension of ICT environmental impact is missing.

Option D:
Option D is incorrect because it omits B and therefore does not explicitly reference hazardous e-waste. A, C, E and F are correct, but leaving out B underplays the toxicity issue central to many ICT-environment discussions.

Statement D is the only wrong statement because cybercrimes can and often do occur over networks without any physical theft of computers. Hacking, identity theft and phishing frequently exploit vulnerabilities and human behaviour online. Statements A, B and C correctly describe common types of cybercrime. Therefore, the option that selects only D as wrong is correct.

Option A:
Option A is incorrect because it lists A and D as wrong statements. Statement A is true, as hacking does involve unauthorised access to systems or networks. Including this correct definition in the wrong set undermines the accuracy of the option.

Option B:
Option B is incorrect because it groups C and D as wrong statements. While D is wrong, C correctly explains that phishing tricks users into disclosing sensitive information. Mixing a true statement with a false one disqualifies the combination.

Option C:
Option C is incorrect because it combines A, B and D as wrong statements. Statements A and B are accurate descriptions of hacking and identity theft and should not be treated as wrong. Only D is incorrect, so this option misclassifies important concepts.

Option D:
Option D is correct because it isolates D as the sole wrong statement. It acknowledges that cybercrimes can occur entirely online and are not limited to physical theft of devices. Recognising A, B and C as correct descriptions of cybercrime types makes this option consistent with ICT security understanding.

Research is a systematic and objective process of inquiry that aims at discovering new facts, verifying existing knowledge or establishing relationships among variables. It uses organised methods, careful observation and logical reasoning rather than casual guesswork. The goal is to generate dependable knowledge that can be checked and used by others. Because the stem clearly describes such a systematic and objective investigation, the correct term for it is research.

Option A:
Research involves defining a problem, collecting relevant data, analysing evidence and drawing conclusions in a disciplined manner. It is not limited to any single subject area; instead, it can be carried out in sciences, social sciences, humanities and professional fields. The emphasis on systematic and objective investigation in the stem perfectly matches this concept, so research is the appropriate completion.

Option B:
Instruction refers to the act of teaching or giving directions to learners in a classroom or training setting. Although research findings may be used to improve instruction, instruction itself is not primarily an investigative process aimed at discovering principles. Therefore, instruction does not fit the description of systematic investigation given in the question.

Option C:
Counselling is a helping relationship in which a trained person assists an individual in understanding problems and making personal decisions. It focuses on guidance for individuals rather than on generating generalisable knowledge. Since the stem talks about discovering facts or principles through investigation, counselling is not the correct term.

Option D:
Examination is a formal test used to assess what learners know or can do at a particular time. It evaluates outcomes but does not, by itself, constitute a systematic and objective inquiry to generate new knowledge. Hence, examination cannot be the term that completes the stem correctly.

The pattern here arises from the formula aₙ = 2n⁴−1 for n starting from 1. For n = 1, 2, 3, 4 and 5 we get 2·1⁴−1 = 1, 2·2⁴−1 = 31, 2·3⁴−1 = 161, 2·4⁴−1 = 511 and 2·5⁴−1 = 1249. For n = 6 we compute 2·6⁴−1 = 2·1296−1 = 2592−1 = 2591. Therefore 2591 is the only term that correctly extends the quartic-based pattern.

Option A:
Option A, 2511, is far below the calculated value and does not equal 2n⁴−1 for any n that continues the sequence. It ignores the rapid growth implied by the quartic expression. Thus 2511 is not a valid next term.

Option B:
Option B, 2541, is still different from 2591 and cannot be obtained from 2·6⁴−1. Choosing it would break the exact algebraic rule that explains all the previous terms. Hence 2541 cannot be the correct answer.

Option C:
Option C, 2591, matches the result of evaluating 2n⁴−1 when n = 6. It preserves the quartic dependence on n and continues the rapid increase seen in the sequence. For these reasons, 2591 is the correct continuation.

Option D:
Option D, 2651, overshoots the correct value and is not equal to 2n⁴−1 for any appropriate n in order. Adopting 2651 would distort the pattern and introduce an unjustified jump. Therefore it is not a valid option.

Here the pattern is aₙ = n⁴ + 2n³ + 1 with n starting from 1. For n = 1, 2, 3, 4 and 5 we obtain 1+2+1 = 4, 16+16+1 = 33, 81+54+1 = 136, 256+128+1 = 385 and 625+250+1 = 876, which matches the sequence exactly. For n = 6 we compute 6⁴+2·6³+1 = 1296+432+1 = 1729. Therefore 1729 continues the exact same quartic-plus-cubic pattern and is the correct next term.

Option A:
Option A, 1713, is smaller than the formula’s output and does not equal n⁴+2n³+1 for n = 6. It would imply subtracting 16 from the correct value without any justification in the earlier terms. Hence option A violates the established algebraic rule and is incorrect.

Option B:
Option B, 1729, matches precisely the result from the expression n⁴+2n³+1 when n = 6. It maintains the same combination of powers of n that generated all previous numbers in the series. Because no change to the functional relationship is needed, this option correctly extends the sequence.

Option C:
Option C, 1735, slightly overshoots the correct value and again fails to satisfy the expression for n = 6. Choosing 1735 would mean adding an arbitrary 6 only at the last step, which is inconsistent with the pattern. Therefore option C cannot be the correct answer.

Option D:
Option D, 1745, is even further from the predicted value and has no basis in the rule aₙ = n⁴ + 2n³ + 1. Using 1745 would destroy the exact mapping between the index and the term values. Thus option D is not a valid continuation of the given series.

Blue baby syndrome arises when nitrate contaminated water is ingested by infants and converted to nitrite in the body. Nitrite oxidises haemoglobin to methemoglobin,which cannot carry oxygen effectively. The resulting condition is called methemoglobinemia. Thus the medical term in option B correctly matches the syndrome described.

Option A:
Asthma is a chronic inflammatory disease of the airways characterised by wheezing and breathlessness. It is associated with allergens and air pollution but not specifically with nitrate contaminated water. Therefore it is not the correct answer.

Option B:
Methemoglobinemia causes reduced oxygen delivery to tissues and can result in bluish discoloration of skin,especially in babies,leading to the common name “blue baby syndrome”. Because the stem directly links nitrates in water to this outcome,this term is accurate.

Option C:
Fluorosis arises from long term ingestion of excessive fluoride in water or food,leading to dental or skeletal problems. It does not produce the acute cyanosis associated with blue baby syndrome,so it is not appropriate for the blank.

Option D:
Silicosis is a lung disease caused by inhalation of crystalline silica dust,primarily affecting miners and construction workers. It has no connection with nitrate pollution of drinking water.

The significance of the study section articulates why the proposed research matters for theory, practice or policy. It explains how the findings might fill gaps, resolve controversies or improve professional practice. This rationale helps reviewers see the value of investing time and resources in the work. Therefore, the part of the proposal that discusses contributions is correctly titled the significance of the study.

Option A:
Objectives specify what the researcher plans to achieve in the form of concrete aims, but they do not necessarily explain why achieving those aims is important for broader knowledge or application. Hence, objectives is not the best term for the contribution-focused section described in the stem.

Option B:
The significance section links the study to existing literature and practical needs, showing how results might extend or refine current understanding. It often addresses who will benefit and in what ways. These functions align precisely with the description given in the question.

Option C:
Limitations outline anticipated weaknesses or constraints of the study, such as small sample size or limited generalisability, which is essentially the opposite of highlighting strengths and contributions. Therefore, limitations cannot complete the stem appropriately.

Option D:
Methodology describes the design, sampling, instruments and procedures to be used in the study. While it demonstrates how the research will be conducted, it does not primarily explain how the findings will contribute to knowledge or practice, so methodology is not correct here.

Blended learning deliberately integrates face to face sessions with online components to optimise learning outcomes. Students may attend physical classes and also participate in virtual discussions or complete digital assignments. This approach seeks to leverage the strengths of both environments. Therefore, the appropriate term is blended learning.

Option A:
Option A is correct because blended learning is widely defined in educational technology literature as the combination of traditional and online instructional methods.

Option B:
Option B, distance, learning typically occurs entirely away from campus and may not involve regular face to face sessions.

Option C:
Option C, correspondence, learning is associated with print based materials sent by post, which predates modern ICT based online learning.

Option D:
Option D, remedial, learning focuses on addressing specific learning gaps and does not necessarily involve any mixture of delivery modes.

The independent variable is the factor that the researcher systematically varies or manipulates to observe its impact on the dependent variable. It is considered the presumed cause in a cause–effect relationship tested in an experiment. By changing levels of the independent variable while controlling other influences, the researcher can examine how outcomes respond. Therefore, the variable that is deliberately manipulated is rightly termed the independent variable.

Option A:
The independent variable is chosen based on theoretical expectations that it will influence the outcome of interest, such as teaching method or training programme. It is under direct control of the researcher within the experimental setting. This makes independent variable the correct completion of the stem.

Option B:
The dependent variable is the outcome or response that is measured to assess the effect of the independent variable. It is not directly manipulated but observed for changes as conditions vary. Hence, dependent variable does not match the description of the variable that is deliberately manipulated.

Option C:
A control variable is an extraneous factor that the researcher holds constant to prevent it from confounding the relationship between independent and dependent variables. Although it is regulated, it is not the variable whose different levels are being intentionally varied to test effects. Thus, control variable is not the correct answer.

Option D:
Extraneous variables are unwanted factors that may influence the dependent variable and threaten internal validity if not controlled. They are usually not intentionally manipulated but need to be minimised or accounted for. Therefore, extraneous variable cannot complete the stem accurately.