Refer the following paragraph and answer the questions. The given figure shows four stages in the growth and development of a bean plant. The stages are labelled as P, Q, R and S.
In which stage is germination first visible ?
Which term describes the role of corn in the given food chain?
Fuse is the most important safety device, used for protecting the circuits due to
A Short circuiting and overloading
B Overloading and earthing
C Earthing only
D Short circuiting, overloading and earthing.
what is over loading, earthing and short circuiting?
The diagram shows identical lamps X and Y connected in series with a battery. The lamps light with normal brightness.
If a third lamp Z is connected in parallel with lamp X, then what will happens to the brightness of the lamp Y?
A Brighter than normal
C Dimmer than normal
D Very dim (cannot be seen)
Which of the following activities will not lead to both air and water pollution?
A Burning of fossil fuels
B Use of CFCs
C Use of pesticides in crop fields
D Setting up of a chemical factory near water body
all options may be correct