Download App

The Fundamental Unit of Life — Science STD 9 — Question

Gujarat BoardEnglish MediumSTD 9ScienceThe Fundamental Unit of Life1 Mark
MCQ
The scientist who first observed bacteria and protozoa is:
  • ✓
    Antonie Van Leeuwenhoek.
  • B
    Robert Hooke.
  • C
    Mathias Jacob.
  • D
    Robert Brown.
✓

Answer

Correct option: A.
Antonie Van Leeuwenhoek.

Antonie van Leeuwenhoek $(1632-1723)$ described cells in a drop of pond water using a microscope made by him. He was the first person to observe bacteria and protozoa. By observing the movement of bacteria or protozoa he named them animalcules.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "M.C.Q. [1 M]" from The Fundamental Unit of Life→The Fundamental Unit of Life — all question types→Science STD 9 question papers→Gujarat Board STD 9 question papers→Gujarat Board question paper generator→

Similar questions

Which of the following is the high milk yielding variety of cow?
→
In a free fall the velocity of a stone is increasing equally ion equal intervals of time under the effect of gravitational force of the earth. Then what can you say about the motion of this stone? Whether the stone is having:
→
If a body is moving on a circular path of radius 21cm with velocity of 2m/s, then time taken by the body to complete half revolution is:
→
The frequencies of four sound waves are given below. Which of these sound waves can be used to measure the depth of sea by the echo method$?$
→
Which of the following statements is true about the nucleus of a cell?
→
A force cannot be seen but the effect of force can be felt:
→
A body is thrown vertically upward with velocity u, the greatest height h to which it will rise is,
→
The cathode ray experiment was done for the first time by:
→
Among the following choose the correct option that best describes the characteristics of spirogyra.
→
The best evidence for the existence and movement of particles in liquids was provided by:
→