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This section includes 2265 Mcqs, each offering curated multiple-choice questions to sharpen your Current Affairs knowledge and support exam preparation. Choose a topic below to get started.
351. |
In India, first Operations Research unit was set up at ................................. |
A. | Regional Research Laboratory, Hyderabad |
B. | Indian Statistical Institute, Kolkotha |
C. | Indian Institute of Science and Technology, Bengaluru |
D. | Indian Institute of Science and Technology, Mohali |
Answer» B. Indian Statistical Institute, Kolkotha | |
352. |
............................... is used to imitate an operation prior to actual performance. |
A. | Inventory control |
B. | Simulation |
C. | Game theory |
D. | Integrated Production Model |
Answer» C. Game theory | |
353. |
Initial feasible solution to a transportation problem arrived through which of the following methodis very near to the optimal solution: |
A. | NWCM |
B. | LCM |
C. | VAM |
D. | None of these |
Answer» D. None of these | |
354. |
An activity which must be completed before commencement of one or more other activities iscalled................................. |
A. | Successor activity |
B. | Predecessor activity |
C. | Dummy activity |
D. | None of these |
Answer» C. Dummy activity | |
355. |
........................ models assume that the values of the variables do not change with time during aparticular period. |
A. | Dynamic |
B. | Static |
C. | Both a and b |
D. | None of these |
Answer» C. Both a and b | |
356. |
The term “Operation Research” was coined by : |
A. | Mc Closky and Trefthen |
B. | Arthur Clark |
C. | Churchman, Ackoff and Arnoff |
D. | George B Dantzig |
Answer» B. Arthur Clark | |
357. |
........................may be defined as a method of determining an optimal program of interdependentactivities in view of available resources. |
A. | Goal programming |
B. | Linear programming |
C. | Decision making |
D. | None of these |
Answer» C. Decision making | |
358. |
Game theory became popular when the book “Theory of Games and Economic Behaviour” waspublished in 1944 by .............................. |
A. | Von Neumann |
B. | Mc Closky |
C. | Von-Neumann and Mc Closky |
D. | Von-neumann and Morgenstern |
Answer» E. | |
359. |
A game is said to be fair if the value of the game is......................... |
A. | One |
B. | Two |
C. | Three |
D. | Zero |
Answer» E. | |
360. |
When at least one of the basic variables is zero, then the basic feasible solution to a LinearProgramming Problem is said to be .............................. |
A. | Infeasible |
B. | Unbounded |
C. | Degenerate |
D. | Non-degenerate |
Answer» D. Non-degenerate | |
361. |
While solving a LPP graphically, the area bounded by constraints is called ................. |
A. | Feasible region |
B. | Infeasible region |
C. | Unbounded region |
D. | None of these |
Answer» B. Infeasible region | |
362. |
Controllable variables are also called.................................. |
A. | Slack variables |
B. | Surplus variables |
C. | Artificial variable |
D. | Decision variables |
Answer» E. | |
363. |
In Transportation Problem, NWCM stands for ............................. |
A. | North West Cost Method |
B. | Net Worth Corner Method |
C. | North West Corner Method |
D. | None of these |
Answer» D. None of these | |
364. |
The ration between mean arrival rate and mean service rate is called ................... |
A. | Idle period |
B. | Average length of queue |
C. | Traffic intensity |
D. | None of these |
Answer» D. None of these | |
365. |
For salesman who has to visit ‘n’ cities, which of the following are the ways of his tour plans: |
A. | n ! |
B. | (n+1) ! |
C. | (n-1) ! |
D. | n |
Answer» D. n | |
366. |
In .................. models, everything is defined and the results are certain. |
A. | Probabilistic |
B. | Deterministic |
C. | Both a and b |
D. | None of these |
Answer» C. Both a and b | |
367. |
Linear Programming technique is a: |
A. | Constrained optimisation technique |
B. | Technique for economic allocation of resources |
C. | Mathematical technique |
D. | All of the above |
Answer» E. | |
368. |
Shadow price is also called ...................... |
A. | Dual price |
B. | Unit price |
C. | Total cost |
D. | None of these |
Answer» B. Unit price | |
369. |
The word .................. may be defined as some actions that we apply to some problems orhypothesis. |
A. | Research |
B. | Operations |
C. | Both a and b |
D. | None of these |
Answer» C. Both a and b | |
370. |
......................are representations of reality. |
A. | Phases |
B. | Models |
C. | Both a and b |
D. | None of these |
Answer» C. Both a and b | |
371. |
Operations Research is a ................................ |
A. | Science |
B. | Art |
C. | Both a and b |
D. | None of these |
Answer» D. None of these | |
372. |
A LPP model doesnot contain: |
A. | Decision |
B. | Constraints |
C. | Feasible solution |
D. | Spread Sheet |
Answer» E. | |
373. |
Constraints in an LPP are treated as active, if they: |
A. | Do not consume all the available resources at optimality |
B. | Represent optimal solution |
C. | Both a and b |
D. | None of these |
Answer» C. Both a and b | |
374. |
..................... is the duration by which an activity can be delayed without delaying the completionof the project. |
A. | Earliest Start Time |
B. | Earliest Finish Time |
C. | Latest Start Time |
D. | Latest Finish Time |
Answer» D. Latest Finish Time | |
375. |
In a maximisation assignment problem, the objective is to maximise ............................. |
A. | Profit |
B. | Cost |
C. | Optimisation |
D. | None of these |
Answer» B. Cost | |
376. |
Queuing theory is also termed as ............................ |
A. | Game theory |
B. | Replacement theory |
C. | Waiting line theory |
D. | None of these |
Answer» D. None of these | |
377. |
............................ is the sequence of activities which determines the total project duration. |
A. | Critical path |
B. | Network |
C. | Non-critical activities |
D. | None of these |
Answer» B. Network | |
378. |
......................... deals with making sound decisions under conditions of certainty, risk anduncertainty. |
A. | Game theory |
B. | Network analysis |
C. | Decision theory |
D. | None of these |
Answer» D. None of these | |
379. |
A constraint in a Linear Programming Model restricts: |
A. | Value of objective function |
B. | Value of decision variable |
C. | Use of available resources |
D. | All of the above |
Answer» E. | |
380. |
In simplex method, we add .......................... in the case of constraints with sign “=” |
A. | Surplus variable |
B. | Artificial variable |
C. | Slack variable |
D. | None of these |
Answer» C. Slack variable | |
381. |
The variables which can be manipulated by the decision maker are called.................... |
A. | Controllable variables |
B. | Uncontrollable variables |
C. | Both a and b |
D. | None of these |
Answer» B. Uncontrollable variables | |
382. |
In simplex method, ........................ should be selected when there is tie between slack/surplusvariable and decision variable. |
A. | Slack variable |
B. | Decision variable |
C. | Surplus variable |
D. | None of these |
Answer» C. Surplus variable | |
383. |
Activities that cannot be started until one or more of the other activities are completed, arecalled.......................................... |
A. | Dummy activities |
B. | Initial activities |
C. | Successor activities |
D. | Predecessor activities |
Answer» D. Predecessor activities | |
384. |
Operations Research emphasises on the overall approach to the system. This characteristic ofOperations Research is often referred to as ................................. |
A. | System orientation |
B. | System approach |
C. | Inter-disciplinary |
D. | Team approach |
Answer» E. | |
385. |
An optimal solution is considered as the ................... among the feasible solutions. |
A. | Worst |
B. | Best |
C. | Ineffective |
D. | None of these |
Answer» C. Ineffective | |
386. |
.................... is the popular method for solving an assignment problem. |
A. | Hungarian Method |
B. | Enumeration Method |
C. | Simplex Method |
D. | None of the above |
Answer» B. Enumeration Method | |
387. |
India’s first Augmented Reality (AR) education and training institute will be set up in? |
A. | Ahmedabad |
B. | Varanasi |
C. | Bangalore |
D. | Vishakhapatnam |
Answer» C. Bangalore | |
388. |
Consider the following statements regarding Kigali Agreement: 1. It amends the 1987 Kyoto protocol to include gases responsible for global warming. 2. This agreement is binding on countries with effect from signing of agreement itself. 3. It does not provisions for penalties on non-compliance. Which of the statements given above is/are true? |
A. | 1 only |
B. | 2 and 3 only |
C. | 1 and 2 only |
D. | None of the above |
Answer» E. | |
389. |
Which of the following is/are the application of Nanotechnology? 1. Desalination of water 2. Medicine 3. Waste water treatment 4. Food additives 5. Cosmetics Select the correct answer suing the code given below. |
A. | 1, 3 and 5 only |
B. | 1, 2 and 3 only |
C. | 1, 2, 3, and 5 only |
D. | 1, 2, 3, 4, and 5 |
Answer» D. 1, 2, 3, 4, and 5 | |
390. |
Which of the following statements regarding CERES is/are true? 1. It is the only dwarf planet located in the outer circle of the solar system. 2. It is the largest object in the asteroid belt. 3. When Dawn arrived in 2015, Ceres became the first dwarf planet to receive a visit from spacecraft. Select the correct answer using the code given below. |
A. | 2 only |
B. | 2 and 3 only |
C. | 1 and 3 only |
D. | 1, 2 and 3 |
Answer» C. 1 and 3 only | |
391. |
What is WIFEX? |
A. | It is a new project to connect a metro city with a single Wi-Fi. |
B. | It is an experiment to provide Wi-Fi like services using solar energy. |
C. | It is a campaign of government to develop better forecasting of winter fog. |
D. | It is a program of government to increase contribution of private sector in the field of research and development in communication technology to achieve the aim of Digital India. |
Answer» D. It is a program of government to increase contribution of private sector in the field of research and development in communication technology to achieve the aim of Digital India. | |
392. |
Which of the following statements is/are true? 1. Recently the first Indian Mushroom Growers Association (IMGA) was launched. 2. Mushroom has low bio-efficiency. Select the correct answer using the code given below. |
A. | 1 only |
B. | 2 only |
C. | Both 1 and 2 |
D. | Neither 1 nor 2 |
Answer» B. 2 only | |
393. |
Which of the following is/are the mission objectives of CHANDRAYAAN-1? 1. Prepare 3D atlas of lunar surface. 2. Confirming presence of water-ice on the moon. 3. Identify regions which are rich in Helium-3. 4. Locate minerals in the moon soil. 5. Finding methane on the moon. Select the correct answer using the codes given below. |
A. | 1, 2, 3 and 5 only |
B. | 1, 2 and 4 only |
C. | 1, 2, 3 and 4 only |
D. | 1, 2, 3, 4 and 5 |
Answer» D. 1, 2, 3, 4 and 5 | |
394. |
Consider the following questions regarding Intellectual Disability: 1. Genes play some role in intellectual disability. 2. Intellectual disability was previously called as mental retardation. 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 |
Answer» D. Neither 1 nor 2 | |
395. |
What is ‘Hyperelastic Bone’? |
A. | It is a bone piece taken from the patient’s body usually from hip or rib and implanted where else it’s needed. |
B. | It is synthetic material used for new bone to grow under the skin. |
C. | It is a 3D printable ink that produces a synthetic bone implant. |
D. | None of the above. |
Answer» C. It is a 3D printable ink that produces a synthetic bone implant. | |
396. |
Consider the following statements regarding Bio-Ink: 1. It can be used for cartilage implants. 2. It allows 3D printing of complex non-living tissues. 3. A component of bio-ink called synthetic polymer causes the bio-ink to change from liquid to solid when the temperature is raised. Which of the statements given above is/are incorrect? |
A. | 1 only |
B. | 1 and 3 only |
C. | 2 only |
D. | 2 and 3 only |
Answer» D. 2 and 3 only | |
397. |
Recently researchers at the Indian Institute for Science Education and Research (IISER) in Kolkata have produce metal free cathodes to be used in solar cells using which of the following? |
A. | Human nails |
B. | Human hairs |
C. | Human DNA |
D. | Human gland |
Answer» C. Human DNA | |
398. |
Recently, the First Water wave laser has been created by which of the following countries? |
A. | China |
B. | North Korea |
C. | Israel |
D. | India |
Answer» D. India | |
399. |
Consider the following statements regarding Anthropocene Epoch: 1. The Anthropocene was coined in 2000 by Paul Crutzen. 2. It is a recognized epoch that begins when human activities started to have a significant global impact on Earth’s geology and ecosystems. 3. The International commission on stratigraphy and the International Union of Geological Sciences has officially approved the term Anthropocene. Which of the statements given above is/are incorrect? |
A. | 1 only |
B. | 2 only |
C. | 2 and 3 only |
D. | 1, 2 and 3 |
Answer» D. 1, 2 and 3 | |
400. |
Consider the following statements regarding Internet of Things (IoT): 1. It is internetworking of physical devices with electronics, software, sensors, actuators and network connectivity. 2. The IoT allows objects to be sensed or controlled remotely across existing network infrastructure. 3. Lamps and washing machine like devices cannot be a part of IoT. Which of the above given statements is/are incorrect? |
A. | 1 only |
B. | 1 and 2 only |
C. | 3 only |
D. | 1, 2 and 3 |
Answer» D. 1, 2 and 3 | |