Which of the
following organisms is/are unicellular organism/s?
a) bacteria
b) amoeba
c) mosquito
d) both a and b
Which of the following organisms is/are multicellular organism/s?
a) animals
b) plants
c) bacteria
d) both a and b
Cell was discovered after the invention of which of the following instrument?
a) microscope
b) telescope
c) periscope
d) stethoscope
Who discovered and named the cell for the first time?
a) Robert Brown
b) Robert Hooke
c) Leevonhoek
d) Charles Darwin
Microscope is
an important instrument in science. For which of the following it is used?
a) large objects
b) tiny objects
c) distant objects
d) internal objects
Which of the following solution is used to stain the onion and cheek cells?
a) methanol
b) methylene blue
c) hydrochloric acid
d) alcohol
