General Science

Human Transport System
White blood cells live long because they have
centrioles
white color
nucleus
cell membrane
Author: rikazzz Comment
Atoms Molecules and Ions
Molecules which contain fixed number of same type of atoms are molecules or
elements
compounds
mixtures
all of them
Author: rikazzz Comment
Sound Waves
The full name of ultrasound is
ultra high sounds
ultra pitch sounds
ultrasonic sounds
ultraviolet sounds
Author: rikazzz Comment
Energy Resources
Bio gas is a renewable source of
energy
heat
light
fossil
Author: rikazzz Comment
Elements and Compounds
Sodium and chlorine react together to form
sodium chloride
sodium oxide
sodium carbonate
sodium nitrate
Author: rikazzz Comment
Reproduction in Plants
Pollen grains of insects pollinated flowers are
sticky and light weight
light weight and in a huge quantity
light weight and huge
sticky and huge
Author: rikazzz Comment
Solutions
Grapes contain
ethanoic acid
acetic acid
citric acid
tartaric acid
Author: rikazzz Comment
Human Transport System
The task of pacemaker is to
pump heart
produce electricity
help chambers to push blood
open the valves
Author: rikazzz Comment
Electric Circuits and Currents
The negative electrode of the electrolytic cell is known as
Cathode
Anode
Posit rode
Nematode
Author: rikazzz Comment
Physical and Chemical Changes
Alteration of material without changing its chemical make-up is known as
physical change
chemical variation
biological change
chemical change
Author: rikazzz Comment

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