General Science

Investigating Space
The diameter of the dish of the largest radio telescope is
105m
205m
305m
405m
Author: rikazzz Comment
Physical and Chemical Changes
The reaction that gives out heat, while taking place is known as
exothermic reaction
endothermic reaction
reversible reaction
substitution reaction
Author: rikazzz Comment
Sound Waves
The level of sound of normal conversation is
10 dB
20 dB
50 dB
60 dB
Author: rikazzz Comment
Atoms and Atom Model
Radioisotopes can also be traced
inside human body
10,000 kilometers underground
in feces of animals
in plants
Author: rikazzz Comment
Investigating Space
The number of basic shapes of ‘galaxies’ is
2
3
4
5
Author: rikazzz Comment
Atoms and Atom Model
The activity of organs in a human body can be studied by
injected medicines in the body
injected chip in human body
injected radioisotope in human body
injected monitors in the body
Author: rikazzz Comment
Solutions
If more than one drug is used to treat specific illness, they can be mixed in
common solvent
different solvents
oral dose
one of above
Author: rikazzz Comment
Atoms and Atom Model
The ionic chemical formula of hydrogen is
H^–
H⁺
H_–
H₊
Author: rikazzz Comment
Importance of Water
The number of ‘oceans’ on earth is
4
5
6
7
Author: rikazzz Comment
Electric Circuits and Currents
If two cells are connected in series, the voltage will be
halved
doubled
tripled
quartered
Author: rikazzz Comment

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