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This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.
1. |
RLV-TD are a series of technology demonstration missions that have been conceived by ISRO as a first step towards realizing a Two Stage To Orbit (TSTO) fully re-usable launch vehicle. What is full form of RLV-TD? |
A. | Reusable Launch Vehicle-Technology Demonstration |
B. | Remote Launch Vehicle-Technology Demonstration |
C. | Return Launch Vehicle-Technology Demonstration |
D. | Reusable Launch Vehicle-Technology Device |
Answer» B. Remote Launch Vehicle-Technology Demonstration | |
2. |
Normal‖ rainfall is slightly acidic (and a pH of 5.6 has been assigned which might be somewhere near 5 ) because of the presence of _______? |
A. | Nitric Oxide |
B. | Sulphuric Acid |
C. | Nitric Acid |
D. | Carbonic Acid |
Answer» E. | |
3. |
Which among the following have been found to produce a protein called Defensin-1, whichhas been found potential to develop drugs for antibiotic resistant bacteria? |
A. | Codfish |
B. | Cuttle Fish |
C. | Honey bee |
D. | Domestic Fly |
Answer» D. Domestic Fly | |
4. |
Acetylene cannot be safely pressurized as a pure compound. Which among the following is used for safe storage and transportation of Acetylene? |
A. | Kerosene |
B. | Acetone |
C. | Vinegar (Acetic Acid) |
D. | Propylene glycol |
Answer» C. Vinegar (Acetic Acid) | |
5. |
Plants which are adapted to grow in soils containing high concentration of salt are known as: |
A. | Xerophytes |
B. | Mesophytes |
C. | Halophytes |
D. | Thallophytes |
Answer» D. Thallophytes | |
6. |
PVC is a polymer of ? |
A. | Propane |
B. | Vinyl chloride |
C. | Styrene |
D. | Carbonates |
Answer» C. Styrene | |
7. |
Which among the following is true about latent heat ? |
A. | It causes change in temperature as well as change in state or phase |
B. | It causes change in temperature only |
C. | It causes change in state or phase but not in temperature |
D. | It causes change in Pressure |
Answer» D. It causes change in Pressure | |
8. |
―Svedberg Unit‖ is a unit of _________? |
A. | Concentration |
B. | Size |
C. | Density |
D. | Time |
Answer» E. | |
9. |
Two Flat mirrors are placed at an angle of 60° from each other. How many images will be formed of a Candle placed in between them? |
A. | 3 |
B. | 4 |
C. | 5 |
D. | 6 |
Answer» D. 6 | |
10. |
Ohm is a unit of measuring _________? |
A. | Resistance |
B. | Voltage |
C. | Current |
D. | None of the above |
Answer» B. Voltage | |
11. |
The metals in which among the following groups are required in maximum quantities in a living organism? |
A. | Potassium, Manganese, Molybdenum, Calcium |
B. | Potassium, Molybdenum, Copper, Calcium |
C. | Pottassium,Sodium, Magnesium, Calcium |
D. | Sodium, Magnesium, Copper, Manganese |
Answer» D. Sodium, Magnesium, Copper, Manganese | |
12. |
A pendulum is taken to Moon , its time period will___________? |
A. | Increases |
B. | Decreases |
C. | Remains constant |
D. | Either increase or decrease |
Answer» B. Decreases | |
13. |
Which among the following is the correct statement about Black Ice? |
A. | It is the product of the freezing of water droplets in highly polluted air |
B. | It is the thin transparent layer of ice made up usually on roads and pavement |
C. | It is the solid Carbon Dioxide |
D. | It is the frozen water of a highly polluted river |
Answer» C. It is the solid Carbon Dioxide | |
14. |
Which among the following protein is responsible for maintenance of osmotic pressure? |
A. | Beta macroglobulin |
B. | Gamma globulin |
C. | immunoglobulin |
D. | albumin |
Answer» E. | |
15. |
The correct group of animals that suffer from the ―Foot & Mouth ‖ disease is as follows: |
A. | Only Cattle |
B. | Cattle & Sheeps |
C. | Cattle and Pigs |
D. | Cattle, Sheeps and Pigs |
Answer» E. | |
16. |
Froth & Foams are examples of which of the following ? |
A. | solid suspended in gas |
B. | liquid suspended in gas |
C. | gas suspended in liquid |
D. | gas suspended in solid |
Answer» D. gas suspended in solid | |
17. |
Which among the following sentence is correct reason behind the blue color of ocean water? |
A. | Water molecules absorb all other colors except blue |
B. | Impurities in Sea water reflect the blue light |
C. | Water molecules scatter the blue light |
D. | None of the above |
Answer» D. None of the above | |
18. |
Which among the following is a main constituent of Histosols? |
A. | Acidic Salts |
B. | Organic Matter |
C. | Minerals |
D. | Clay Content |
Answer» C. Minerals | |
19. |
Which among the following is largest animal Phylum? |
A. | Mollusca |
B. | Arthropoda |
C. | Mammalia |
D. | Annelida |
Answer» C. Mammalia | |
20. |
The television technology in which a new form of light-emitting crystals which can be printed onto flexible plastic sheets to produce a paper-thin display that can be rolled up and carried in a pocket is: |
A. | QD-TV |
B. | SED-TV |
C. | Pixel Plus |
D. | Slingbox |
Answer» B. SED-TV | |
21. |
What do we call the part of the ―DTH Satellite dish‖ that converts the signals from electromagnetic or radio waves to electrical signals ? |
A. | Orthomode transducer (OMT) |
B. | Low-noise block converter (LNB) |
C. | Block upconverter (BUC) |
D. | Parabolic Dish |
Answer» C. Block upconverter (BUC) | |
22. |
Cassiterite is an ore of which of the following ? |
A. | Iron |
B. | Zinc |
C. | Copper |
D. | Tin |
Answer» E. | |
23. |
A neutron , an electron, a proton and an alpha particle are moving with the same kineticenergy. Which of the following is correct order of their speeds? |
A. | Alpha Particle, Neutron, Proton, Electron |
B. | Electron, Proton , Neutron, Alpha Particle |
C. | Alpha Particle, Proton, Neutron, Electron |
D. | Neutron, Proton, Alpha Particle, Electron |
Answer» B. Electron, Proton , Neutron, Alpha Particle | |
24. |
Which among the following can be used as a preservative in Tomato Juice? |
A. | Sodium Chloride |
B. | Sodium carbonate |
C. | Sodium benzoate |
D. | Sodium Lauril Sulphate |
Answer» D. Sodium Lauril Sulphate | |
25. |
Which among the following is incorrect regarding the chemical nature of Diamond & Graphite? |
A. | Density of Diamond is higher than that of Graphite |
B. | Diamond is chemically unreactive while graphite is mild reactive |
C. | Both Diamond and Graphite are good conductors of electricity |
D. | None of the above |
Answer» D. None of the above | |
26. |
Which among the following kinds of glass is used generally in making of the Bullet proofscreens? |
A. | Pyrex glass |
B. | Jena glass |
C. | Reinforced Glass |
D. | Flint Glass |
Answer» D. Flint Glass | |
27. |
White Phosphorous is represented by which among the following symbols? |
A. | P1 |
B. | P2 |
C. | P3 |
D. | P4 |
Answer» E. | |
28. |
Hard Water contains which of the following? |
A. | Aluminum |
B. | Chlorine |
C. | Calcium |
D. | Zinc |
Answer» D. Zinc | |
29. |
Thermonuclear Experimental Reactor (ITER) project is located at? |
A. | Italy |
B. | France |
C. | Germany |
D. | China |
Answer» C. Germany | |
30. |
Which among the following happens in an oxidation reaction ? |
A. | Electrons are gained |
B. | Electrons are lost |
C. | Protons are gained |
D. | Protons are lost |
Answer» C. Protons are gained | |
31. |
Which of the following measurements is not a unit of distance? |
A. | Ammeter |
B. | Cubit |
C. | Parsec |
D. | Angstrom |
Answer» B. Cubit | |
32. |
Which of the following term denotes the internal reaction force per unit area developed asa result of applied external force ? |
A. | Stress |
B. | Friction |
C. | Moment of Inertia |
D. | tension |
Answer» B. Friction | |
33. |
Which among the following correctly refers to Ischemia? |
A. | restriction in blood supply due to factors in the blood vessels |
B. | Abrupt fall in the blood Pressure |
C. | necrosis in a blood vessel due to a local lack of oxygen |
D. | condition of severely deficient supply of oxygen to the body |
Answer» B. Abrupt fall in the blood Pressure | |
34. |
The hormonal activities of which of the following substances were discovered while studying ―foolish seedling‖ disease in rice? |
A. | Cytokinins |
B. | Ethylene |
C. | Auxins |
D. | Gibberellin |
Answer» E. | |
35. |
Which among the following correctly represents a Parsec? |
A. | 0.326 Light Years |
B. | 3.261 Light Years |
C. | 32.61 Light Years |
D. | 3.026 Light Years |
Answer» C. 32.61 Light Years | |
36. |
Any disease which has a name with a suffix encephalitis is a disorder of ______? |
A. | Nerves |
B. | Brain |
C. | Lungs |
D. | Heart |
Answer» C. Lungs | |
37. |
Highest percentage of nitrogen is found in which among the following fertilizers among thegiven options? |
A. | Calcium ammonium nitrate |
B. | Ammonium nitrate |
C. | Calcium nitrate |
D. | Urea |
Answer» E. | |
38. |
Which among the following is not a function of Sympathetic nerves in Autonomic nervoussystem? |
A. | Enhancing the heart beats |
B. | constricting the blood vessels |
C. | dilate pupils |
D. | contract urinary bladder |
Answer» E. | |
39. |
In which of the following Mercury is a constituent? |
A. | Cinnabar |
B. | Chile saltpeter |
C. | Calamine |
D. | Gold |
Answer» B. Chile saltpeter | |
40. |
Which among the following is the correct impact of the London Forces in the Cycloalkanes? |
A. | The melting and boiling points get increased |
B. | The Melting and boiling points get decreased |
C. | There is not impact on the melting and boiling points |
D. | The melting point increases but boiling point decreases |
Answer» B. The Melting and boiling points get decreased | |
41. |
Above 70 °C, sodium bicarbonate has a property of gradually decomposing, which makes it usable in Bakery products. Which among the following end product of this Thermal decomposition of Sodium bicarbonate makes it usable for the above purpose? |
A. | Hydrogen |
B. | Carbon Dioxide |
C. | Water Vapor |
D. | Sodium Carbonate |
Answer» C. Water Vapor | |
42. |
Which among the following principle is used by Bats? |
A. | RADAR (Radio Detective & Ranging |
B. | SONAR (Sound Navigation & Ranging |
C. | law of reflection |
D. | law of diffraction |
Answer» C. law of reflection | |
43. |
One Torr is equivalent to how many mm of Mercury? |
A. | 1 mm |
B. | 10 mm |
C. | 100 mm |
D. | 0.1 mm |
Answer» B. 10 mm | |
44. |
Which among the following is ―Fool‘s Gold‖ ? |
A. | Copper Sulphate |
B. | Iron Sulfide |
C. | Brass |
D. | Silver Bromide |
Answer» C. Brass | |
45. |
Which among the following is not a ‗heriditary‘ disease? |
A. | Thalessemia |
B. | Colour-Blindness |
C. | Haemophilia |
D. | Leukemia |
Answer» E. | |
46. |
Which among the following component of a fluorescent lamp contributes maximum in making them costly? |
A. | Mercury vapor |
B. | Light-emitting phosphors |
C. | Ballast |
D. | Filament |
Answer» D. Filament | |
47. |
Whenever an alkali metal such as Lithium or Sodium reacts with water , which among thefollowing gas is produced? |
A. | Oxygen |
B. | Hydrogen |
C. | Ozone |
D. | Carbondioxide |
Answer» C. Ozone | |
48. |
Duralumin which is used in making aero planes is an alloy consisting of _____? |
A. | Aluminum & Copper |
B. | Aluminum, Copper & Manganese |
C. | Aluminum, Copper, Manganese & Magnesium |
D. | Aluminum and zinc |
Answer» D. Aluminum and zinc | |
49. |
Deficiency of Vitamin D leads to lack of absorption of which of the following minerals? |
A. | Iodine |
B. | Phosphorus |
C. | Calcium |
D. | Iron |
Answer» D. Iron | |
50. |
Which among the following has the lowest frequency Range? |
A. | L-Band |
B. | S-Band |
C. | C-Band |
D. | X-Band |
Answer» B. S-Band | |