The given graph shows the amount of changes in the number of fish in a water body in a year.
Select the incorrect option regarding this.
AAt time P, some factory was established near the water body that discharged its used water in it.
BAt time Q, the factory was relocated to some other part, away from the water body.
CAt time R, large amount of oil was accidentally spilled into the water body.
DAt time S, a new factory was established near the water body.
Which of the following statements is correct about water cycle?
AIt is the mechanism of transferring water from the sea to the land.
BIt carries in, from the sea, the mineral salts that plants need for their growth.
CIt ensures that living things are provided with water for their survival.
DBoth A and C
Refer to the given flow chart and select the incorrect option regarding organisms P, Q, R, S and T.
AP may have a pair of tentacles which bear simple eyes at the tip whereas body of Q may be metamerically segmented.
BS could be a warm blooded stork whereas T could be a cold blooded arowana.
CR may bear jointed appendages and undergoes moulting during its growth phase.
DT may respire through gills whereas S possesses lungs as its respiratory organs.