General Science QUESTIONS AND ANSWERS

General Knowledge : General Science QUESTIONS AND ANSWERS :: part18 : 21 to 25

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

21.The fresh urine has no smell while after some time it develops a strong odour because :

the urea of the fresh urine is converted into uric acid.

the uric acid of the fresh urine is converted into urea.

conversion of urea to ammonia by bacteria

conversion of uric acid to creatinine by bacteria.

22.Which of the following pairs is/are correctly matched ? 1. Homeopathy - Hahnemann 2. Insulin - Banting 3. Blood transfusion - Harvey

1 alone

1 and 2

2 and 3

1, 2 and 3

23.In modern surgery, metal pins are used for holding the broken bones together. This pin is made of :

copper

stainless steel

aluminium

titanium

24.Consider the following elements : 1. Copper 2. Gold3. Platinum 4. Silver Which of the above elements exist free in nature ?

1 and 2

2 and 3

1, 2 and 4

3 and 4

25.Anti-freeze is a mixture of

acetic acid and water

formic acid &water

methyl alcohol and water

ethyl alcohol and water

More General Science QUESTIONS AND ANSWERS available in next pages

Health is the greatest gift, contentment is the greatest wealth -Buddha

If your ship doesnât come in, swim out to meet it!-Jonathan Winters

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