General Science-43

1. Summer Solstice falls every year on:
a. 23rd September
b. 21st March
c. 4th July
d. 21st June

2. Planet Saturn is:
a. Cooler than Pluto
b. Cooler than Neptune
c. Hotter than Neptune
d. Hotter than Jupiter

3. A layer of Earth made up of mixed metals and silicates is called:
a. Sail
b. Sima
c. Mantle
d. Nife

4. Which one of the following is used in making bullet proof materials?
a. Polyvinyl chloride
b. Poly carbonate
c. Polyethylene
d. Ployamide

5. What is the distance of earth from the sun?
a. 107.7 million Km.
b. 142.7 million Km.
c. 146.6 million Km.
d. 149.6 million Km.

6. The exhaustion of soil fertility is the result of:
a. Cover cropping
b. Multiple cropping
c. Rotation cropping
d. Over cropping

7. Modern movie songs released are the best in quality of sound. The rich quality of sound is due to which one of the following?
a. A note of high frequency
b. A note of high amplitude
c. Consists many harmonics
d. Consists the fundamental frequency

8. Which acid substance is found in vinegar?
a. Lactic Acid
b. Citric Acid
c. Maleic Acid
d. Acetic Acid

9. What type of fruit is pineapple?
a. Siliqua
b. Sorosis
c. Sycnous
d. Samara

10. What is the pH value of human blood?
a. 7.36 to 7.42
b. 8.36 to 8.42
c. 6.36 to 6.42
d. None of the above