This page requires a JavaScript-enabled browser
Instructions on how to enable your browser are contained in the help file.
Biology 9 Chapter - 1
Introduction to Biology- 8
1.
Out of 92 elements how many elemnts are called bioelemnts?
a) 19
b) 33
c) 16
d) 17
2.
The most subatomic particles ?
a) All of these
b) Neutron
c) Electron
d) proton
3.
How many biolelements make 99% of total mass?
a) Fourteen
b) Ten
c) None of these
d) six
4.
Oxygen comprise how many mass?
a) 18%
b) 10%
c) 99%
d) 65%
5.
Proton and neutrons are located ?
a) Around nucleus
b) All of these
c) Both
d) Inside nucleus
6.
Macromolecules are comprised of the?
a) High molecular weight
b) Low molecular weight
c) Mediam molecular weight
d) None of these
7.
Micromelcules are comprised of the?
a) Low molecular weight
b) High molecular weight
c) None of these
d) Mediam molecular weight
8.
The number of ……….in outermost shell determines the manner in which atoms reacts with each other?
a) Electrons
b) Neutrons
c) Both b+c
d) Protons
9.
Biomolecules assembles in a particular way and form what?
a) None of these
b) Particles
c) Molcules
d) Organelles
10.
What is formed by the aggregation of organelles?
a) nucleus
b) Moleculs
c) Cell
d) Particles
This is more feedback!
This is the feedback!
