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Study the given Venn diagram.

Identify P-S and select the correct statement.

AQ could possess hair whereas R could possess feathers.
BP could possess beak whereas S could possess spiracles.
CBoth P and R could possess feathers.
DAll of these

Which of the following options correctly matches the organ with its function?

Refer to the given figure showing changes in the state of water. Which of the following is correct regarding it?


AProcess Z is responsible for melting of ice-cream.
BProcess W is responsible for formation of vapours.
CProcess X involves preserving food items at low temperature.
DProcess Y is responsible for formation of hailstones.

Refer to the given figure and select the correct statements regarding P–T

(i) S is the coloured circular part of the eye.
(ii) P is the outermost part of eye and it maintains the shape of the eyeball.
(iii) Q is a layer of light sensitive receptors at the back of the eye.
(iv) R carries message from eye to brain.
(v) T is the folded skin above eye which protects eye from dust, flies, etc.

A(i) and (ii) only
B(ii), (iii) and (iv) only
C(i) and (v) only
D(ii), (iv) and (v) only

Select the odd one out on the basis of their root type.

ATurnip
BPea
CBeans
DRice

Refer to the given flow chart and select the correct option regarding P, Q and R.


AP can be nylon but R can never be silk.
BQ can be rayon but P can never be jute.
CR can be silk and P can be polyester.
DP can be nylon or rayon and R can be jute or silk.

Which one of the following shows the path that a donut takes after it has been eaten?

AMouth → Stomach → Large intestine → Small intestine → Anus
BMouth → Food pipe → Stomach → Small intestine → Large intestine → Anus
CMouth → Food pipe → Stomach → Large intestine → Small intestine → Anus
DMouth → Food pipe → Stomach → Anus → Small intestine

Study the given relationship based on adaptations in plants.

Select the option that correctly satisfies the same relationship

ATape grass : Sundew
BWater hyacinth : Hydrilla
CLotus : Wolffia
DCedar : Fern

Read the given passage and answer the following questions.

Which of the following statements is/are correct?
I. Substance T and ethane belong to same homologous series.
II. Substances P and Q undergo addition reactions.
III. Substances P and R both react with sodium metal to liberate H₂ gas.
IV. Substance P reacts with sodium bicarbonate to give a brisk effervescence of CO₂.

A III only
B II and IV only
C I and III only
D III and IV only

If 200 MeV energy is released per fission of U²³⁵ nuclei then, the mass of U²³⁵ consumed per day in a reactor of power 1 MW assuming its efficiency is 80% will be (Mass of one uranium atom is 3.925 × 10^-25 kg)

A1.324 g
B3.246 g
C2.606 g
D0.543 g