Solved MCQs of Biology Class 9
Similar cells organized into groups and performing same functions are known as
Organelle
Tissue
Organ
Organ system
Abu Musa Jabir Ibn Hayyan is known as in Europe as .
Geber
Jabirs’s
None
Al-Azdi
Which of these major bioelements is in the highest percentage in protoplasm?
Carbon
Hydrogen
Oxygen
Nitrogen
Proton has ____________ charge.
Positive
Negative
Neutral
May positive, may negative
Atomic nucleus bis composed the following:
Proton
Neutron
Electron
Both a and b
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