Download App

Natural Resources — Science STD 9 — Question

Gujarat BoardEnglish MediumSTD 9ScienceNatural Resources1 Mark
MCQ
An increase in carbondioxide content in the atmosphere would not cause:
  • A
    More heat to be retained by the environment.
  • B
    Increase in photosynthesis in plants.
  • C
    Global warming.
  • ✓
    Abundance of desert plants.
✓

Answer

Correct option: D.
Abundance of desert plants.
An increase in carbon dioxide content in the atmosphere would not cause abundance of desert plants as when the temperature rises $($due to excessive carbon dioxide emission$)$ their ability to take up carbon dioxide reduces.

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 Natural Resources→Natural Resources — 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 organism causes acne?
→
A bi-quadratic equation has degree:
→
Inter-particle spaces are minimum in:
→
Which of the following is an incorrect match for cellular sap?
→
Smooth muscle fibres are:
→
When a gas jar full of air is placed upside down on a gas jar full of bromine vapours, the red-brown vapours of bromine from the lower jar go upward into the jar containing air. In this experiment:
→
A horse is running on a playground and comes to a skidding stop. The force applied on the horse due to playground is $500\ N$. Which is directly opposed to the motion of the horse. How much work does the horse do on the playground?
→
What mass of $CO _2$ will $3.011 \times 10^{23}$ molecules contain?
→
Resources limited in nature are called:
→
Goitre is caused due to deficiency of disease$?$
→