MCQOPTIONS
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MCQOPTIONS
This section includes 625 Mcqs, each offering curated multiple-choice questions to sharpen your GK knowledge and support exam preparation. Choose a topic below to get started.
| 601. |
Who discovered insulin? |
| A. | Karl Benz |
| B. | Louis Pasteur |
| C. | Niels Bohr |
| D. | F. G. Vating |
| Answer» E. | |
| 602. |
From which part of the plant turmeric is obtained? |
| A. | stem |
| B. | root |
| C. | flowers |
| D. | None of these |
| Answer» B. root | |
| 603. |
who invented dynamite? |
| A. | Alfred Nobel |
| B. | Thomas Alva Edison |
| C. | Galileo Galilei |
| D. | Charles Darwin |
| Answer» B. Thomas Alva Edison | |
| 604. |
Produces moving charge- |
| A. | electric field only |
| B. | Magnetic field only |
| C. | both magnetic field and electric field |
| D. | none of these |
| Answer» D. none of these | |
| 605. |
Why do colors appear in soap bubbles due to the incident of light? |
| A. | due to scattering |
| B. | Due to interference |
| C. | Due to deflection |
| D. | Due to polarization |
| Answer» C. Due to deflection | |
| 606. |
___ elements have the largest atoms. |
| A. | F |
| B. | O |
| C. | H |
| D. | Li |
| Answer» E. | |
| 607. |
Which one of the following elements exhibits the greatest tendency to lose electrons? |
| A. | Fluorine |
| B. | Lithium |
| C. | Oxygen |
| D. | Zinc |
| Answer» C. Oxygen | |
| 608. |
The planet which has the highest surface temperature is |
| A. | Jupiter |
| B. | Earth |
| C. | Pluto |
| D. | Venus |
| Answer» E. | |
| 609. |
The Nitrogen fixing legume bacteria is |
| A. | Rhodospirillum |
| B. | Plasmodium |
| C. | Anapector |
| D. | Rhizobium |
| Answer» E. | |
| 610. |
The Base event in protein synthesis produces a . |
| A. | RNA |
| B. | DNA |
| C. | mRNA |
| D. | DNA and RNA |
| Answer» D. DNA and RNA | |
| 611. |
The nuclear particle having no mass and no charge, but only spin is |
| A. | proton |
| B. | neutron |
| C. | meson |
| D. | electron |
| Answer» C. meson | |
| 612. |
A liquid disturbed by stirring comes to rest due to |
| A. | density |
| B. | surface tension |
| C. | viscosity |
| D. | centripetal force |
| Answer» D. centripetal force | |
| 613. |
Which vitamin among the following is crucial for blood clotting? |
| A. | Vitamin K |
| B. | Vitamin D |
| C. | Vitamin A |
| D. | Vitamin E |
| Answer» B. Vitamin D | |
| 614. |
When Arsenic atoms are added to Germanium Lattice it becomes a/an |
| A. | Insulator |
| B. | Superconductor |
| C. | Intrinsic semiconductor |
| D. | Extrinsic semiconductor |
| Answer» C. Intrinsic semiconductor | |
| 615. |
Which of the following grain was first used by human? |
| A. | Ragi |
| B. | Wheat |
| C. | Barley |
| D. | Oat |
| Answer» C. Barley | |
| 616. |
Biological Oxygen Demand (BOD) is used as a standard measure of __________. |
| A. | Oxygen level in water system |
| B. | Oxygen level in atmosphere |
| C. | Oxygen level in forest system |
| D. | Oxygen level in animals |
| Answer» B. Oxygen level in atmosphere | |
| 617. |
What is the range of the intensity scale used in measuring earthquakes? |
| A. | 1 to 7 |
| B. | 1 to 12 |
| C. | 1 to 15 |
| D. | 1 to 5 |
| Answer» C. 1 to 15 | |
| 618. |
Which statement is are correct about D.N.A. ? |
| A. | It is mainly found in nucleus |
| B. | It contains uracil in place of thymine. |
| C. | It bring the message from R.N.A. |
| D. | Present in ribosome. |
| Answer» B. It contains uracil in place of thymine. | |
| 619. |
Which of the following is not true about graphene? |
| A. | Atomic lattice form |
| B. | Honey Comb Structure |
| C. | Ellotrope of carbon |
| D. | 3-Dimensional Structure |
| Answer» E. | |
| 620. |
Burns caused by steam are much more severe than those caused by boiling water because- |
| A. | Steam pierces through the pores of body quickly |
| B. | Steam has latent heat |
| C. | Temperature of steam is higher |
| D. | Steam is gas and engulfs the body quickly |
| Answer» D. Steam is gas and engulfs the body quickly | |
| 621. |
Which tissue is responsible for transport of materials away from the root? |
| A. | Ground tissue |
| B. | Cambium |
| C. | Phloem |
| D. | Xylem |
| Answer» E. | |
| 622. |
What is the principle of life jacket? |
| A. | It provide oxygen to the drowning person. |
| B. | It increase persons volume to help him float. |
| C. | It decreases persons volume to help him float. |
| D. | A persons can sit on it |
| Answer» C. It decreases persons volume to help him float. | |
| 623. |
In an electric circuit, Rheostat is often used to change the _____ in the circuit. |
| A. | Temperature |
| B. | Resistance |
| C. | Electric current |
| D. | Potential difference |
| Answer» C. Electric current | |
| 624. |
A monkey sitting on a branch of a tree suddenly falling down towards the ground in an example of___. |
| A. | Law of conservation of mass |
| B. | Law of conservation of energy |
| C. | Kepler s law |
| D. | Newton s third law of motion |
| Answer» C. Kepler s law | |
| 625. |
Which polymer is used to manufacture the cabinets of radio and TV? |
| A. | Polyvinyl Chloride |
| B. | Polystyrene |
| C. | Bakelite |
| D. | Nylon |
| Answer» C. Bakelite | |