Download App

Why Do We Fall — Science STD 9 — Question

Gujarat BoardEnglish MediumSTD 9ScienceWhy Do We Fall2 Marks
Question
What is protists? Define immunization.
✓

Answer

Protist is an informal term for any eukaryotic organism that is not an animal, plant or fungus.The process of developing immunity (capability to fight infections) is called immunization.

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 "Que-Ans (Each of 2 Mark )" from Why Do We Fall→Why Do We Fall — all question types→Science STD 9 question papers→Gujarat Board STD 9 question papers→Gujarat Board question paper generator→

Similar questions

Explain the term ‘pitch’ of a sound. On what factor does the ‘pitch’ of a sound depend?
→
Define buoyant force. Name two factors on which buoyant force depends.
→
Two persons manage to push a motorcar of mass $1200$ kg at a uniform velocity along a level road. The same motorcar can be pushed by three persons to produce an acceleration of $0.2 m s ^{-2}$. With what force does each person push the motorcar? (Assume that all persons push the motorcar with the same muscular effort.)
→
Why do plant cells possess large sized vacuole?
→
What can you say about the motion of an object whose distance - time graph is a straight line parallel to the time axis?
→
Discuss significance of good health?
→
On which day, a hot day or a cold day, an echo is heard sooner? Give reason for your answer.
→
Why are some substances found in the solid state, some in the liquid state and others in the gaseous state?
→
Name the microorganisms that carry out nitrification and denitrification.
→
A man is instructed to carry a package from the base camp at $B$ to submit $A$ of a hill at a height of $1200$ metres. The man weighs $800N$ and the package weighs $200N$. If $g = 10m/s^2$,
  1. How much work does man do against gravity$?$
  2. What is the potential energy of the package at $A$ if it is assumed to be
→