In which part of the Plant does photosynthesis take place?
In which part of the Plant does photosynthesis take place?
A. Flowers
B. Roots
C. Stem
D. Leaves
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The famous book; Al – Qanun was written by the Muslim scientist ?
The famous book; Al – Qanun was written by the Muslim scientist ?A. Jabar bin Hayyan
B. Zakariya Al – Razi
C. Abu Ali Sina
D. Abdul Qasim MajreetiAtom was a name given by ____________ ?
Atom was a name given by ____________ ?A. Democritus
B. Bohr
C. Rutherford
D. ArchimedesDemocritus was a Greek philosopher who was the first person to use the term atom (atomos: meaning indivisible). He thought that if you take a piece of matter and divide it and continue to divide it you will eventually come to a point where you could not divide it any more.
Enzymes are organic catalysts made up of ?
Enzymes are organic catalysts made up of ?A. Carbohydrates
B. Proteins
C. Nucleic Acid
D. FatsMost of the ozone in the atmosphere is concentrated in the _____________?
Most of the ozone in the atmosphere is concentrated in the _____________?A. Mesosphere
B. Troposphere
C. Stratosphere
D. ionosphereWho discovered that the earth was not the center of the universe?
Who discovered that the earth was not the center of the universe?A. Aristotle
B. Nicolaus Copernicus
C. Sir Isac Newton
D. NoneThe Copernican principle, named after Nicolaus Copernicus, states that the Earth is not in a central, specially favored position.
Crude Oil is heated in the furnace up to _________?
Crude Oil is heated in the furnace up to _________?A. 300°C
B. 350°C
C. 400°C
D. 450°C