Refer to the given flow chart and select the INCORRECT option regarding P, Q, R and S.
A Both P and Q have webbed feet and P lives in very cold regions of Earth.
B R is a predator bird that makes nests called eyries on branches of tall trees or on rocks.
C Both Q and R have three toes in front and one toe at the back.
D S has long legs and spread out toes that help it to wade through water.
Ms. Rashmita, a science teacher has set up an experiment
as shown in the figure.
Which of the following represent the correct observations?
(i) Both the metal strips dissolve in beaker II.
(ii) Colour change is observed in beaker I.
(iii) No reaction takes place in beaker III.
(iv) Fe strip will dissolve faster in beaker I.
(v) Reaction occurs in beaker III but no colour change is observed.
A (iii) and (iv) only
B (i) and (iii) only
C (ii) and (v) only
D None of these
What could possibly be the observation of the given activity?
ADroplets of water appear in the polythene bag and on the leaves.
BDroplets of water appear in the polythene bag but not on the leaves.
CDroplets of water appear on the leaves but not in the polythene bag.
DNo droplets of water appear in the polythene bag and on the leaves.
Refer to the given food web.
If a non-biodegradable insecticide known as DDT was sprayed onto the pine tree, in which of the following organisms will most of the DDT eventually accumulate?
A Golden-crowned kinglet
C Red-tailed hawk
D Oak acorns