MCQ
Select the one that is not a chemical change:
- ADissolution of ammonia in water.
- BDissolution of carbon dioxide in water.
- ✓Dissolution of oxygen in water.
- DNone of these.
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
|
S.No.
|
Column-$I$
|
S.No.
|
Column-$II$
|
|
$A.$
|
Stamens
|
$(p)$
|
The portion of the pistil receiving the pollen.
|
|
$B.$
|
Filament
|
$(q)$
|
The female structure of a flower.
|
|
$C.$
|
Pistil
|
$(r)$
|
The stalk of an anther.
|
|
$D.$
|
Stigma
|
$(s)$
|
It is an inner part of a flower.
|
|
S.No.
|
Column $A$
|
|
Column $B$
|
|
$(i)$
|
Knee cap
|
$(A)$
|
Radius
|
|
$(ii)$
|
Smallest bone
|
$(B)$
|
Humerus
|
|
$(iii)$
|
Lower arm home
|
$(C)$
|
Patella
|
|
$(iv)$
|
Upper arm bone
|
$(D)$
|
Stapes
|