General Knowledge : General Science QUESTIONS AND ANSWERS :: part15 : 16 to 20
Following General Knowledge Multiple choice objective type questions and answers will help you in TRB, SSC and UPSC 2014 examinations :
16.Turpentine oil is obtained from |
| eucalyptus tree |
| animal fat |
| mineral oil |
| pine tree |
17.Which of the following solvents is used for dry cleaning of clothes ? |
| Chloroform |
| Acetone |
| Alcoholc |
| Carbon tetrachloride |
18.Given below are two statements, labelled as Assertion (A) and Reason (R). In the context of the two statements, which of the following is correct ?Assertion (A) : Mitochondria is known as power house of the cell.Reason (R) : Enzymes present in mitochondria regulates the breakdown of carbohydrates. |
| Both A and R are true and R is the correct explanation of A. |
| Both A and R are true but R is not the correct explanation of A. |
| A is true but R is false. |
| A is false but R is true. |
19.Manufacture of hydrogen bomb involves the principle of |
| a controlled chain reaction involving nuclear fission. |
| an uncontrolled chain reaction involving nuclear fission. |
| a controlled chain reaction involving nuclear fusion. |
| an uncontrolled chain reaction involving nuclear fusion. |
20.If algae suddenly disappear from the water bodies, then all the other aquatic organisms (like fish, prawns and protozoans) will die. This is because of |
| lack of food |
| lack of shelter |
| lack of food and oxygen |
| dead algal mass increasing the oxygen demand |
More General Science QUESTIONS AND ANSWERS available in next pages
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