Download App

Pollution of Air and Water — Science STD 8 — Question

Gujarat BoardEnglish MediumSTD 8SciencePollution of Air and Water1 Mark
MCQ
Highest percentage of air consists of
  • A
    Oxygen
  • B
    Carbon dioxide
  • ✓
    Nitrogen
  • D
    Argon
✓

Answer

Correct option: C.
Nitrogen

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. [I MARKS]" from Pollution of Air and Water→Pollution of Air and Water — all question types→Science STD 8 question papers→Gujarat Board STD 8 question papers→Gujarat Board question paper generator→

Similar questions

Pick the odd one from the following elements.
→
Rainbow is a natural phenomenon showing
→
In thunderstorm, the charges accumulate near the upper edges of clouds are:
→
Consider three statements regarding the defects of eye.
I. If the size of the eye ball decreases, then the person suffers from myopia.
II. If the near point of eye becomes greater than $25\ cm,$ then the person is said to suffer from hypermetropia.
III. A person, at older age, suffering from presbyopia uses a bifocal lens for correction. Among the given statements.
→
A female has:
→
Given below are events that lead to pregnancy and development of embryo.
(i) Fertilisation of egg
(ii) Maturation of egg
(iii) Release of egg
(iv) Embedding of embryo in uterus
Which of the following options gives the correct order of sequence in which they occur ?
→
Which is the brightest planet?
→
Asexual reproduction is observed in
→
Which of the following statement is false?
→
In our eye $..........$ cells can sense colour.
→