MCQ
How can friction be decreased?
- ✓By using smooth surfaces.
- BBy using dry surfaces.
- CBy increasing the weight of the body.
- DAll of the above.
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
|
Column $I$
|
Column $II$
|
||
| $(a)$ |
Electrically neutral particle
|
$(i)$ |
Copper
|
| $(b)$ |
The charges acquired by a glass rod rubbed with silk cloth
|
$(ii)$ |
Neutron
|
| $(c)$ |
Unlike charges
|
$(iii)$ |
Positive
|
| $(d)$ |
Lightning rod
|
$(iv)$ |
Attract each other
|
|
$(i)$
|
They control the transfer of hereditary characteristics.
|
|
$(ii)$
|
Nucleolus carries all the genes.
|
|
$(iii)$
|
They are part of chromosomes.
|
|
$(iv)$
|
They are found only in the nucleus.
|
| (a) Animal Source | Sunflower oil, fish oil, eggs, rice, milk |
| $\quad~$Plant Source | Beans, pulses, apple, honey, cheese |
| (b) Animal Source | Honey, fish oil, eggs, cheese, milk |
| $\quad~$Plant Source | Rice, beans, pulses, sunflower oil, apple |
| (c) Animal Source | Eggs, pulses, fish oil, honey, sunflower oil |
| $\quad~$Plant Source | Rice, cheese, milk, apple, beans |
| (d) Animal Source | Rice, beans, pulses, sunflower oil, apple |
| $\quad~$Plant Source | Honey, fish oil, eggs, cheese, milk |