Options:
- A. Copernicus
- B. Newton
- C. Galileo
- D. Kepler
View Answer
A. Copernicus
Everyday Science
Material for rain-proof coats and tents owe their water proof properties to ________?
Options:
- A. Surface tension
- B. Viscosity
- C. Specific gravity
- D. Elasticity
View Answer
A. Surface tension
Coke is made by heating coal in the absence of air at__________?
Options:
- A. 700
- B. 900
- C. 1300
- D. 1700
View Answer
C. 1300
In the electricity meter the digit to the extreme right is___________?
Options:
- A. 1/5th of the unit
- B. 1/100 of the unit
- C. 1/10th of the unit
- D. 1/1000th of the unit
View Answer
C. 1/10th of the unit
The study of fish is known as ________?
Options:
- A. Entomology
- B. Ichthyology
- C. Ecology
- D. None of these
View Answer
B. Ichthyology
According to Einsteins general theory of relativity the universe:________________?
Options:
- A. Must be expanding
- B. Must be contracting
- C. Must be either expanding or contracting
- D. Must be neither expanding nor contracting
View Answer
C. Must be either expanding or contracting
It is observed that the total pressure exerted by air on the man of average size is around 14.7 lb wt. per square inch. But the man feels quite comfortable,. It is because of__________?
Options:
- A. An equal and opposite pressure acts from inside
- B. of the height of a man
- C. of gravity
- D. Earth pulls the man upward
View Answer
A. An equal and opposite pressure acts from inside
What is the rarest blood type in humans?
Options:
- A. O-
- B. O+
- C. AB+
- D. AB-
View Answer
D. AB-
For being able to see three-dimensional pictures we have to use___________?
Options:
- A. A binocular
- B. A camera
- C. A epidiascope
- D. A stereoscope
View Answer
C. A epidiascope
In blood, the percentage of water is___________?
Options:
- A. 75%
- B. 85%
- C. 90%
- D. 95%
View Answer
C. 90%