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Select the option that correctly identifies the given species as extinct (P), critically endangered (Q) and vulnerable (R) according to IUCN Red List.

Priya categorised animals on the basis of their respiratory organs. She made three groups of four organisms each. By mistake, she put one wrong member in each group. Identify it and select the correct option.
Group I : Ladybird, Silverfish, King crab, Cockroach
Group II : Arowana, Jellyfish, Sea-horse, Climbing perch
Group III : Krait, Stork, Porcupine, Gambusia

A Silverfish in group I should be interchanged with jellyfish in group II.
B Climbing perch in group II should be replaced with pangolin.
C Ladybird in group I should be interchanged with Gambusia in group III.
D King crab in group I should be replaced with locust.

Select the option which on unscrambling gives the name of a clothing item worn in winter.

A RFMUFLE
B CROFK
C SRTOSH
D None of these

Study the given table and select the correct option.

Which pair shows correct match of organism with its breathing organs?

ADolphin-lungs
BSnake-Moist skin
CEarthworm-Spiracles
DWhale-Gills

Read the given statements and mark the correct option.
Statement 1 : The ash produced by burning magnesium when dissolved in water turns China rose indicator dark pink.
Statement 2 : The ash formed is MgO which when dissolved in water forms an acidic solution.

A Both statements 1 and 2 are true and statement 2 is the correct explanation of statement 1.
B Both statements 1 and 2 are true but statement 2 is not the correct explanation of statement 1.
C Statement 1 is true but statement 2 is false.
D Both statements 1 and 2 are false.

Look at the two objects below.

From the following statements, pick out those which are true.
1. Cotton is heavier than iron.
2. Both the objects have the same volume.
3. Both the objects are solid.
4. Both the objects are waterproof.
5. Both the objects have same mass.

A1 and 2
B3 and 5
C4 and 5
D3 and 4

Read the given statements and select the correct option.
Statement 1: Petrol condenses near the top of the fractionating column while diesel oil near the middle of the column.
Statement 2: Petrol is more volatile than diesel oil.

A Both statements 1 and 2 are true and statement 2 is the correct explanation of statement 1.
B Both statements 1 and 2 are true but statement 2 is not the correct explanation of statement 1.
C Statement 1 is true and statement 2 is false.
D Both statements 1 and 2 are false.

Kavita wrote two sentences about calorific value of fuels.

(i) The amount of heat energy required by 1 kg of a fuel to reach its ignition temperature for the complete combustion is called its calorific value.

(ii) It is expressed in a unit called kilojoule per kg (kJ/kg).

Choose the correct sentence(s).

(A) (i)

(B) (ii)

(C) Both (i) and (ii)

The diagram below shows a portion of the solar system as seen from space. For which object is the lighted surface shown INCORRECTLY?


A Moon
B Venus
C Mercury
D Earth