The basic unit of
………in living organisms is the cell.
a) structure
b) function
c) both a and b
d) none of these
Which of the following involve/s the mobile phase flowing over a
supporting matrix held in a glass or metal tube?
a) paper chromatography
b) column chromatography
c) both a and b
d) none of them
One of the characteristics of the living things is that they……
a) required oxygen for photosynthesis
b) carry on autotrophic nutrition
c) carry out heterotrophic nutrition
d) originate from pre-existing life
Which of the following is the smallest unit that can carry out all activities of life?
a) organelle
b) cell
c) tissue
d) organ
A botanist who
proposed the cell theory was……..
a) Laevonhoeke
b) Robert Hooke
c) Schwann
d) Schleiden
The oldest accurately dated life form is a microorganism, Eubacterium isolatum which dated back …….million years.
a) 300
b) 1000
c) 3500
d) 4500
