The father of contemporary astronomy was ?
A. Nicolas Copernicus
B. William Gilbert
C. Archimedes
D. Michael Faraday
What is the planet Mercury’s orbital period around the sun?
A.2 days
B. 365 days
C. 88 years
D. 98 days
A radioactive element has an 8-day half life. How much time does it take to get from 10 mg to 5 mg?
A. 16 days
B. 12 days
C. 4 days
D. 8 days
Because it creates _____, yeast is utilized to make bread.
A. Bacteria
B. Sugar
C. Carbon dioxide
D. Oxygen
A person can be recognized in the dark just by hearing his distinctive voice. Because of what exactly?
A. Time period
B. Frequency
C. pitch
D. Quality
A unit of ________ is the cusec?
A. Distance
B. Time
C. Area
D. None of these
What is a typical man’s body temperature?
A. 98.6 °C
B. 37.0 °C
C. 81.1°C
D. 21.7 °C
What is the purpose of hemoglobin?
A. . Prevention of anemia
B. Destruction of bacteria
C. Transportation of oxygen
D. Utilization of energy
Which of the following blood types allows a person to receive blood from any other group?
A. B
B. AB
C. A
D. O
What is the tea leaf’s main stimulant?
A. Phenylalanine
B. Caffeine
C. Brucine
D. Theine