General Science QUESTIONS AND ANSWERS

General Knowledge : General Science QUESTIONS AND ANSWERS :: part14 : 16 to 20

Following General Knowledge Multiple choice objective type questions and answers will help you in TRB, SSC and UPSC 2014 examinations :

16.Given below are two statements, labeled as Assertion (A) and Reason (R). In the context of the two statements, which of the following is correct ? 1. Assertion (A) : Phtosynthesis and vision are the phenomenon of visible light. 2. Reason (R) : The visible light is absorbed by small particles containing chlorophylls, as well as the retina of the eye.

Both A and R are true but 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.

17.The soft smooth feel of the skin with after- shave lotion is due

alcohol

ethylene glycol

diethylphthalate

None of these

18.Fertility of soil can be improved by

adding dead earthworms

removing dead earthworms

adding living earthworms

removing living earthworms and adding dead earthworms

19.Which of the following natural directions of energy transformation are correct ? 1. Heat energy to mechanical energy 2. Mechanical energy to heat energy 3. Heat energy to electrical energy 4. Electrical energy to heat energy

a and 2

1 and 3

1 and 4

2 and 4

20.The process by which kidney stones are shatered with shock waves is called

Lithotripsy

Laparoscopy

Endo-sapsular implant

Dementia

More General Science QUESTIONS AND ANSWERS available in next pages