MCQOPTIONS
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MCQOPTIONS
This section includes 1777 Mcqs, each offering curated multiple-choice questions to sharpen your 9th Class knowledge and support exam preparation. Choose a topic below to get started.
| 1751. |
A solution is prepared by mixing a white powder in the distilled water. As soon as the powder was added to the solution it turns blue. Identify the powder. |
| A. | Sulphur |
| B. | Copper |
| C. | Bromine |
| D. | Potassium |
| Answer» C. Bromine | |
| 1752. |
Which one of the metal is not a good conductor of electricity? |
| A. | Lead |
| B. | Graphite |
| C. | Aluminum |
| D. | Silver |
| Answer» B. Graphite | |
| 1753. |
Which of the following solutions shows Tyndall effect? |
| A. | A solution of common salt |
| B. | A solution of sodium carbonate |
| C. | Starch solution |
| D. | Sugar solution |
| Answer» D. Sugar solution | |
| 1754. |
What kind of solution is milk? |
| A. | Suspension |
| B. | Colloid |
| C. | True solution |
| D. | Alloy |
| Answer» C. True solution | |
| 1755. |
Direction: Read the given passage carefully and answer the following questions.The constituents of a heterogeneous mixture are X, Y and Z. If mixture containing X and Y is taken, X can be separated using magnetic separation from Y. If mixture containing Y and Z is taken, the two can be separated using evaporation method.The different states of X, Y and Z respectively are |
| A. | Solid, Solid, Liquid |
| B. | Solid, Liquid, Solid |
| C. | All are liquids |
| D. | All are solids. |
| Answer» B. Solid, Liquid, Solid | |
| 1756. |
What is the name of the process for the separation of colloidal panicles from those of crystalloids called? |
| A. | Dialysis |
| B. | Pyrolysis |
| C. | Peptization |
| D. | Photolysis |
| Answer» B. Pyrolysis | |
| 1757. |
The exotic breed of bull from England use for cross breeding is: |
| A. | Gir |
| B. | Murrah |
| C. | Redshindhi |
| D. | Jersey |
| Answer» E. | |
| 1758. |
Broilers are kept specifically for obtaining: |
| A. | Eggs |
| B. | Meat |
| C. | Cake |
| D. | All the above |
| Answer» C. Cake | |
| 1759. |
The period of lactation means: |
| A. | When a cattle is pregnant. |
| B. | When a cattle is yielding milk. |
| C. | When a cattle is yet to give birth to her calf. |
| D. | When a cattle is in heat. |
| Answer» C. When a cattle is yet to give birth to her calf. | |
| 1760. |
Hatcheries refer to: |
| A. | Plants in nurseries |
| B. | Hens in poultries |
| C. | Fish eggs in nurseries |
| D. | Cattle farming |
| Answer» D. Cattle farming | |
| 1761. |
What happens to the size of an air bubble as it raises up in the water? |
| A. | Increases |
| B. | Decreases |
| C. | Remains same |
| D. | All of these |
| Answer» B. Decreases | |
| 1762. |
Time period of simple pendulum in a satellite is |
| A. | infinite |
| B. | (6) zero |
| C. | \[\text{2 sec}\] |
| D. | cannot be calculated |
| Answer» B. (6) zero | |
| 1763. |
A stationary satellite orbits the earth in the plane of the equator in a period of 24 hours. What is the orbital radius for this stationary satellite? Use the fact that a satellite close to the earth has an orbital radius of 1.025 R, where R is the earth's mean radius and in a time period of 88 minutes. |
| A. | 8.6 R |
| B. | 6.6 R |
| C. | 4.6 R |
| D. | 10.6 R |
| Answer» C. 4.6 R | |
| 1764. |
The force of gravitation between two bodies in the universe does not depend on: |
| A. | The product of their masses |
| B. | The gravitational constant |
| C. | The distance between them |
| D. | The sum of their densities |
| Answer» E. | |
| 1765. |
S.I. unit of weight is: |
| A. | Kilogram |
| B. | Newton |
| C. | \[M/{{s}^{2}}\] |
| D. | \[M/s\] |
| Answer» C. \[M/{{s}^{2}}\] | |
| 1766. |
A ball is dropped from the top of a building which takes 10 s to reach the ground. What is the height of the building? |
| A. | 420 m |
| B. | 400 m |
| C. | 78.4 m |
| D. | 490 m |
| Answer» E. | |
| 1767. |
Consider the following figures 1 and 2. In figure 1, the mass of the body A in air is 0.2 kg. The mass of the water container (with water in it) is 0.5 kg. In figure 2, when A is completely immersed in the water of the container B, the readings of the respective balances change as shown.What is the value of X? |
| A. | 0.55 kg |
| B. | 0.15 kg |
| C. | 0.3 kg |
| D. | 0.45 kg |
| Answer» B. 0.15 kg | |
| 1768. |
The gravitational force between two masses kept at a certain distance is p N. The same two masses are now kept in water and the distance between them are same.The gravitational force between these two masses in water is q N. Then. |
| A. | p = q |
| B. | p < q |
| C. | p > q |
| D. | None of these |
| Answer» B. p < q | |
| 1769. |
If the radius of the earth was half of its present value and its mass To \[{}^{1}/{}_{8}\]th of the present mass, the g value would have been reduced to |
| A. | \[\frac{1}{8}g\] |
| B. | \[\frac{1}{2}g\] |
| C. | \[\frac{1}{3}g\] |
| D. | \[g\] |
| Answer» C. \[\frac{1}{3}g\] | |
| 1770. |
A weighing machine measures |
| A. | weight only |
| B. | mass only |
| C. | mass and weight |
| D. | none of these |
| Answer» B. mass only | |
| 1771. |
For years, space travel was believed to be impossible because there was nothing which rockets could push off of in space in order to provide the propulsion necessary to accelerate. This inability of a rocket to provide propulsion is because: |
| A. | Space is void of air so the rockets have nothing to push off of |
| B. | Gravity is absent in space |
| C. | Space is void of air and so there is no air resistance in space |
| D. | Rockets do accelerate in space and have been able to do so for a long time |
| Answer» E. | |
| 1772. |
A boy travelling in a car at a speed of 108 km/h. The brakes are applied so as to produce a uniform acceleration of \[-0.2\,m/{{s}^{2}}\]. Find how far does the car go before it is brought to rest? |
| A. | 1050 m |
| B. | 100 m |
| C. | 2250 m |
| D. | 2256 m |
| Answer» D. 2256 m | |
| 1773. |
The common name for a scaris is: |
| A. | Tap Worm |
| B. | Fluk Worm |
| C. | Round Worm |
| D. | Anthozoa |
| Answer» D. Anthozoa | |
| 1774. |
Calcareous, chitinous and other hard materials covering the body surface which provide protection and supports is called: |
| A. | Ectoderm |
| B. | Endoderm |
| C. | Endoskeleton |
| D. | Exoskeleton |
| Answer» E. | |
| 1775. |
These animals are cold-blooded, have scales and breathe through lungs. They have four-chambered heart. They lay eggs with tough covering, well adapted to dry land conditions.Which of the following animals is being referred to in the above passage? |
| A. | Chameleon |
| B. | Lizard |
| C. | Crocodile |
| D. | Tortoise |
| Answer» D. Tortoise | |
| 1776. |
Which one of the following is the empirical formula for glucose? |
| A. | (a) \[C{{H}_{2}}O\] |
| B. | (b) \[{{C}_{2}}{{H}_{2}}O\] |
| C. | (c) \[{{C}_{2}}{{H}_{2}}{{O}_{2}}\] |
| D. | (d) \[{{C}_{2}}{{H}_{12}}{{O}_{6}}\] |
| Answer» B. (b) \[{{C}_{2}}{{H}_{2}}O\] | |
| 1777. |
The common name for common table salt is: |
| A. | (a) Sodium chloride |
| B. | (b) Calcium chloride |
| C. | (c) Magnesium chloride |
| D. | (d) Aluminum-chloride |
| Answer» B. (b) Calcium chloride | |