The given figure shows a circuit which contains two identical lamps. When the switch is closed, which of the following statements best describes, what happened to lamps P and Q?
AP is brighter than before, but Q does not light up.
BP does not light up, but Q is brighter than before.
CBoth P and Q are brighter than before.
DP and Q both will not light up.
Is solution available for this question?
The diagram below shows the developmental stages of a butterfly arranged randomly.
Select the stage of its life cycle during which it is
I. most active eater, and
II. least active.
(a)I- d II- g
(b)I- e II- f
(c)I- d II- e
(d)I- f II- g
THE CORRECT ANSWER IS B
Megha observes that the water surface of the lake near her locality is gradually getting covered with algae. She is curious to know the cause for such algal bloom. Which of the following can be the cause for this?
ADisposal of concrete and cement from the construction area of locality into the lake
BIncreased population of aquatic life in the lake
CDisposal of pollutant having high level of organic matter into the lake