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Biology
Which blood cells fight diseases?
A
Red Blood Cells
B
White Blood Cells
C
Platelets
D
Plasma
Correct Answer
B
Biology
Why is human blood red?
A
Plasma
B
Himoglobin
C
Platelets
D
Water
Correct Answer
B
Biology
Which gas is released during photosynthesis?
A
Carbon Dioxide
B
Nitrogen
C
Oxygen
D
Hydrogen
Correct Answer
C
Biology
Where does photosynthesis take place?
A
Mitochondria
B
Chloroplast
C
Nucleus
D
Ribosome
Correct Answer
B
Biology
Which organ pumps blood throughout the human body?
A
Brain
B
Heart
C
Kidney
D
Liver
Correct Answer
B
Physics
USB stands for ______?
A
Universal serial bussines
B
Universal serial Bus
C
Universal secondary Bus
D
Unary serial Bus
Correct Answer
B
Physics
The main source of energy in the stars is _____?
A
Chemical reaction
B
Nuclear fusion
C
Nuclear fission
D
Mechanical energy
Correct Answer
C
Physics
The ?-radiation is _______?
A
A form of electromagnetic radiation
B
A stream of fast-moving electrons
C
Highly ionizing than ?-radiation
D
None of these
Correct Answer
C
Physics
How many atomic particles of an atom?
A
3
B
4
C
5
D
None of these
Correct Answer
A
Physics
In a concave mirror, the image size depends upon _____?
A
Size of the object
B
Area covered by the object
C
Position of the object
D
The shape of the object
Correct Answer
C