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This section includes 807 Mcqs, each offering curated multiple-choice questions to sharpen your Teaching knowledge and support exam preparation. Choose a topic below to get started.
1. |
Renu's grand mother shows her a dried-up well and tells her that 15-20 years ago there was water in the well, but now it has completely dried up. What could be the reason(s) for drying up of water in the well? (CTET Feb 2016) I. The soil around the trees, well and nearby area is now covered with cement. II. A lot of boring pumps have come up in the nearby area. III. Nobody uses the well as there are taps in every body's house now. Select the correct answer using the codes given below. |
A. | Both I and II |
B. | Only III |
C. | Only I |
D. | Only II |
Answer» E. | |
2. |
Malaria is caused by (RTET Feb 2016) |
A. | Plasmodium faiciparum |
B. | Entamaeba |
C. | Retro virus |
D. | Salmouelia |
Answer» B. Entamaeba | |
3. |
Which one of the following diseases may be caused by stagnant water? (CTET Sept 2015) |
A. | Malaria |
B. | Polio |
C. | Pneumonia |
D. | Chicken pox |
Answer» B. Polio | |
4. |
"The Supreme Court has directed the government to make Yamuna water quality at least of grade ?C? level which could be made available to people for drinking". According to above mentioned statement the meaning of Grade 'c' level is (UTET April 2015) |
A. | clean water |
B. | slightly polluted water |
C. | moderately polluted water |
D. | highly polluted water |
Answer» D. highly polluted water | |
5. |
How much percentage of the Earth's surface is covered with water? (UTET April 2015) |
A. | 60 |
B. | 71 |
C. | 77 |
D. | 80 |
Answer» C. 77 | |
6. |
The boiling water of water on Farenheit scale is...........\[{}^\circ \,F\]. (HTET Feb 2014) |
A. | 100 |
B. | 80 |
C. | 212 |
D. | 32 |
Answer» D. 32 | |
7. |
The water level......... when a pinch of salt is dissolved in a glass of water. (HTET Feb 2014) |
A. | increases |
B. | decreases |
C. | remains the same |
D. | None of the above |
Answer» D. None of the above | |
8. |
What is Dead Sea? (CTET Feb 2014) |
A. | A sea whose water is poisonous |
B. | A sea which is saltiest of all oceans and seas |
C. | A sea in which high and low tides are very frequent |
D. | A sea in which it is dangerous to sail ships |
Answer» C. A sea in which high and low tides are very frequent | |
9. |
To restore the underground water level we have to (UTET Sept 2013) |
A. | promote traditional farming |
B. | to increase the areas of cultivation of rice and sugarcane |
C. | wells should form |
D. | to promote industrialisation |
Answer» D. to promote industrialisation | |
10. |
There are three R's to save our environment which are (UTET Sept 2013) |
A. | reduce, recycle and inform |
B. | reuse, restructure and reform |
C. | reduce, recycle and reuse |
D. | reduce, recycle and restructure |
Answer» D. reduce, recycle and restructure | |
11. |
Minamata disease is a pollution-related disease which results from (UTET Sept 2013) |
A. | oil spills into sea |
B. | accumulation of arsenic into atmosphere |
C. | release of industrial mercury waste into water |
D. | release of human organic waste into drinking water |
Answer» D. release of human organic waste into drinking water | |
12. |
The most appropriate use of rain water harvesting is (HTET June 2013) |
A. | irrigation |
B. | agriculture |
C. | drinking water |
D. | rise of ground water level |
Answer» E. | |
13. |
Which of the following is the main cause of rainfall? (HTET June 2011) |
A. | Filteration |
B. | Evaporation |
C. | Condensation |
D. | Both [a] and [b] |
Answer» E. | |
14. |
The group called Tarun Bharat Sangh is associated with (CTET Nov 2012) |
A. | rebuilding old lakes |
B. | helping specially abled children in learning |
C. | providing cooked midday meal in schools |
D. | running free coaching classes, for the children belonging to EVS |
Answer» B. helping specially abled children in learning | |
15. |
A fish dies when it is put in an aquarium filled with previously boiled water but cooled to room temperature. This happen because the water in the aquarium is (CTET Jan 2012) |
A. | depleted in \[{{O}_{2}}\] |
B. | unfit for drinking by fish |
C. | depleted in minerals |
D. | unfit for swimming by fish |
Answer» D. unfit for swimming by fish | |
16. |
An air-pump is kept in an aquarium in order to (CTET Jan 2012) |
A. | provide more carbon dioxide to water plants |
B. | allow more oxygen to dissolve in water |
C. | enhance the beauty of the aquarium |
D. | make water cleaner' |
Answer» C. enhance the beauty of the aquarium | |
17. |
While performing experiments with water, Jyoti observed that an empty steel bowl floats but a small iron nail sinks in water, this can be explained by the fact that (CTET Jan 2012) |
A. | force on a steel bowl is more than its weight whereas force on an iron nail is lesser than its weight |
B. | force on an iron nail is more than its weight whereas force on a steel bowl is lesser than its weight |
C. | iron is heavier than water and steel is lighter than water |
D. | iron is lighter than water and steel is heavier than water |
Answer» C. iron is heavier than water and steel is lighter than water | |
18. |
A lemon sinks in normal water but floats in salty water because the density of (UPTET Nov 2011) |
A. | salt water is more than normal water |
B. | normal water is more than salt water |
C. | lemon increases in salt water |
D. | lemon decreases in salt water |
Answer» B. normal water is more than salt water | |
19. |
The difference between boiling and evaporation is that (UPTET Nov 2011) |
A. | boiling causes a change of state of water while evaporation does not |
B. | evaporation can take place at any temperature while boiling can not |
C. | boiling causes reduction in volume of liquid while evaporation does not |
D. | changing of boiling liquid into vapour can be seen but evaporation cannot be seen |
Answer» C. boiling causes reduction in volume of liquid while evaporation does not | |
20. |
Oceans are present on Earth surface is (UPTET Nov 2011) |
A. | \[{}^{3}/{}_{4}\] |
B. | \[{}^{1}/{}_{2}\] |
C. | \[{}^{1}/{}_{4}\] |
D. | \[{}^{2}/{}_{3}\] |
Answer» B. \[{}^{1}/{}_{2}\] | |
21. |
71% Earth is covered by (UPTET June 2011) |
A. | land |
B. | air |
C. | water |
D. | coal |
Answer» D. coal | |
22. |
Waterborne disease is (UPTET June 2011) |
A. | dysentery |
B. | small pox |
C. | anaemia |
D. | brain fever |
Answer» B. small pox | |
23. |
Traces of radioactive waste present in water can cause (PTET Feb 2011) |
A. | cancer |
B. | eye cataract |
C. | DNA breakage |
D. | All of these |
Answer» B. eye cataract | |
24. |
How much percentage of water in the oceans is drinkable? (PTET Feb 2011) |
A. | 97.2 |
B. | 2.15 |
C. | 0.65 |
D. | 0 |
Answer» D. 0 | |
25. |
City of Lakes in Rajasthan is (RTET Feb 2011) |
A. | Jaipur |
B. | Jodhpur |
C. | Udaipur |
D. | Ajmer |
Answer» D. Ajmer | |
26. |
Which country has maximum number of tube-wells in the world? (RTET Feb 2011) |
A. | America |
B. | Australia |
C. | China |
D. | India |
Answer» E. | |
27. |
Water in earthern pot remains cool due to (CGTET Jan 2011) |
A. | condensation |
B. | evaporation |
C. | sedimentation |
D. | sublimation |
Answer» C. sedimentation | |
28. |
The Ganga action plan launched to improve the |
A. | water quality |
B. | water velocity |
C. | water quantity |
D. | water temperature |
Answer» B. water velocity | |
29. |
In summers, wet clothes dry very fastly due to |
A. | condensation |
B. | evaporation |
C. | Neither [a] nor [b] |
D. | Both [a] and [b] |
Answer» C. Neither [a] nor [b] | |
30. |
To avoid waterborne disease we should do |
A. | drink water after boiling |
B. | add 'chlorine in water |
C. | addition of lime water in water |
D. | All of the above |
Answer» E. | |
31. |
Heavy water is used for |
A. | to form deuterium |
B. | to study mechanism of chemical reaction |
C. | used in nuclear reactors as moderator |
D. | All of the above |
Answer» E. | |
32. |
Consider the following statements I. Heavy water is radioactive in nature. II. Heavy water is formed by electrolysis normal water. III. Heavy water is not harmful for organisms. Which of the statements) given above is/an incorrect? |
A. | Only II |
B. | I and II |
C. | I, II and III |
D. | III and I |
Answer» B. I and II | |
33. |
Consider the following statements I. Boiling point of water is 273 K. II. Evaporation takes place at all temperature. Which of the statements) given above is/ar correct? |
A. | Only I |
B. | Only II |
C. | Both I and II |
D. | Neither I nor II |
Answer» D. Neither I nor II | |
34. |
Match the following List I (Source) List II (Percentage of Water) [a] Atmosphere (i) 0.625 [b] Underground water (ii) 0.001 [c] Ocean (iii) 2.15 [d] Glaciers and Polar ice (iv) 97.2 |
A. | A\[\to \]1 A\[\to \]2 A\[\to \]3 A\[\to \]4 |
B. | B\[\to \]4 B\[\to \]3 B\[\to \]2 B\[\to \]1 |
C. | C\[\to \]2 C\[\to \]1 C\[\to \]4 C\[\to \]3 |
D. | D\[\to \]3 D\[\to \]2 D\[\to \]1 D\[\to \]4 |
Answer» D. D\[\to \]3 D\[\to \]2 D\[\to \]1 D\[\to \]4 | |
35. |
Main causes of acid rain is |
A. | presence of nitric acid |
B. | presence of chloric acid |
C. | presence of sulphuric acid |
D. | Both [a] and [b] |
Answer» E. | |
36. |
Hard water is impure due to presence of |
A. | bicarbonates of calcium |
B. | chlorides of calcium |
C. | bicarbonates of magnesium |
D. | All of the above |
Answer» E. | |
37. |
Water conservation can be done by |
A. | control on soil erosion |
B. | reforestation |
C. | to stop wastage of water |
D. | All of the above |
Answer» E. | |
38. |
Minamata disease is caused by mixing of ......... material in water. |
A. | cadmium |
B. | mercury |
C. | iron |
D. | sodium |
Answer» C. iron | |
39. |
Main pollutants of underground water is |
A. | arsenic and fluoride |
B. | ammonia |
C. | nitrates |
D. | chromium and chlorides |
Answer» B. ammonia | |
40. |
Water pollution is |
A. | presence of undesirable material in water |
B. | presence of sewage in water |
C. | presence of chemical fertilizer in water |
D. | All of the above |
Answer» E. | |
41. |
Boiling point of water in Fahrenheit scale |
A. | \[100{}^\circ F\] |
B. | \[0{}^\circ F\] |
C. | \[212{}^\circ F\] |
D. | \[132{}^\circ F\] |
Answer» D. \[132{}^\circ F\] | |
42. |
Freezing point of water is |
A. | \[0{}^\circ C\] |
B. | \[32{}^\circ F\] |
C. | \[100{}^\circ F\] |
D. | Both [a] and [b] |
Answer» E. | |
43. |
Characteristic of pure water is |
A. | presence of harmful microorganism |
B. | impure and odourous water |
C. | presence of chemicals |
D. | presence of oxygen in adequate |
Answer» E. | |
44. |
In hilly areas, water pipelines are burst during winter |
A. | water expand after freezing |
B. | water squeezes after freezing |
C. | pipelines squeezes at freezing |
D. | None of the above |
Answer» B. water squeezes after freezing | |
45. |
When cold water pour into the glass, there are some water droplets on outer surface of the glass this is due to |
A. | liquification |
B. | evaporation |
C. | Both [a] and [b] |
D. | Neither [a] nor [b] |
Answer» B. evaporation | |
46. |
Dry ice is |
A. | solid water |
B. | solid \[~C{{O}_{2}}\] |
C. | solid \[{{H}_{2}}{{O}_{2}}\] |
D. | None of these |
Answer» C. solid \[{{H}_{2}}{{O}_{2}}\] | |
47. |
Ocean cover is |
A. | \[\frac{3}{4}\] |
B. | \[\frac{1}{2}\] |
C. | \[\frac{1}{4}\] |
D. | \[\frac{2}{3}\] |
Answer» B. \[\frac{1}{2}\] | |
48. |
Fishes are able to live even if lakes upper layer become ice |
A. | density of water is less |
B. | density of ice is more |
C. | density of water of lake is more |
D. | All of the above |
Answer» D. All of the above | |
49. |
Drinkable water on Earth is |
A. | 0.972 |
B. | 2.15%- |
C. | 0.0065 |
D. | 0 |
Answer» D. 0 | |
50. |
Which salt is present in maximum amount is seas? |
A. | Magnesium chloride |
B. | Calcium chloride |
C. | Magnesium sulphate |
D. | Sodium chloride |
Answer» E. | |