A. HNO₃
B. HCL
C. NACL
D. H₂SO₄
Everyday Science
Study of stars is called:
A. Meteorology
B. Astronomy
C. Astrology
D. Biology
Mass is a same physical quantity as
A. Weight
B. Inertia
C. Dynasity
D. Velocity
When the temperature increases, resistance decreases in:
A. Minerals
B. Insulator
C. Semi-Conductor
D. Conductor
Carbohydrates are stored in plants and animals in the following respective form—
A. Starch and Glycogen
B. Starch and Glucose
C. Cellulose and Glucose
D. Glucose and Nitrogen
The atomic number of Hydrogen is
A. 01
B. 05
C. 07
D. 09
Powerhouse of living cell is called:
A. Cell wall
B. Both A & C
C. Mitochondria
D. Cytoplasm
The S.I. unit of temperature is:
A. Kelvin
B. Centigrade
C. Kelvin
D. Meter
Nitrogenous wastes excreted through urine in humans is:
A. Ammonia
B. Uric Acid
C. Urea
D. Wastes
The escape of water molecules from surface is called:
A. Sublimation
B. Evaporation
C. Condensation
D. Boiling
