Quote:
Originally Posted by Shahidhailian
The Sun is a __________.
Star
Planet
Asteroid
Meteor
The average adult has a blood volume of about __________ liters.
4
5
6
7
The most abundant element in the universe is __________.
Oxygen
Hydrogen
Carbon Dioxide
Silicon
The most abundant element in the Earth's crust is __________.
Oxygen
Hydrogen
Carbon Dioxide
Silicon
Each day human body breathe in __________ liters of air.
5,000 to 10,000
10,000 to 15,000
15,000 to 20,000
20,000 to 25,000
Deficiency of Vitamin-D results in __________.
night blindness
rickets
scurvy
hair fall
The SI unit of "pressure" is _________.
pascal
joule
tesla
henry
The most densest substance on the Earth is __________.
Platinum
Copper
Steel
Osmium
A camera uses a __________ to form an image.
convex lens
concave lens
condenser lens
none of these
Which from the following is NOT a conductor?
Aluminium
Silicon
Graphite
All are conductors
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sun is a star
average blood 5to6 litre
most abundant element in universe.hydrogen and in earth crust oxygen
vitamin d. rickets related to bones
si unit of presure is pascal
most densest subtance osmium
all are the conductors
camera uses convex lens