Average salinity or ratio of salt as per kilogram of water of ocean is__________? - PakMcqs

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1. The salinity of sea water is determined by the amount of common salt (Sodium Chloride) in __________ of sea water.

   A. 1 gram B. 10 grams C. 1 kg D. 10 kg...

2. Which of the following ocean is the least polluted ocean of the world?

   A. Arctic Ocean B. Indian Ocean C. South Pacific D. None of the above Submitted by: Naveed Tahir...

3. Which of the following ocean is the most polluted ocean of the world?

   A. Indian Ocean B. North Pacific Ocean C. Arctic Ocean D. None of the above Submitted by: Naveed Tahir...

4. Which of the following ocean is the warmest ocean of the world?

   A. Indian Ocean B. Arctic Ocean C. North Pacific Ocean D. None of the above Submitted by: Naveed Tahir...

5. Sea water (Salt water) freezes at ?

   A. Same temperature as fresh water. B. Slightly higher temperatures than fresh water. C. Slightly higher temperature than fresh water. D. Sea water does not freeze Submitted by: Mansoor Ahmed Suhag...

6. An egg sinks in soft water but floats in a concentrated solution of salt because?

   A. egg absorbs salt from the solution and expands B. albumin dissolves in salt solution and egg becomes lighter C. the density of salt solution exceeds the density of eggs D. water has high surface tension Submitted by: Malik Asghar Hussain...

7. What is the percentage of salt water on earth surface?

   A. 93% B. 95% C. 97%  D. 76% Submitted by: Syed Nizakat Ali Shah...

8. A fresh egg when placed in salt water will __________ ?

   A. sink and go to the bottom B. sink but will not go to the bottom C. Float D. Burst Submitted by: Abid Hussain...

9. The average weight of man’s brain is 4.8 ounces. What is the average weight of woman’s brain ?

   A. 4.8 ounce B. 5.8 ounce C. 5.4 ounce D. 4.4 ounce Submitted by: Mansoor Ahmed Suhag...

10. Percentage of water in a tomato is__________?

    A. 94% B. 90% C. 47% D. None of these Submitted by: Rida...