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Anant took four different types of crushed food samples I, II, III and IV in four different test tubes. He then added Benedict's solution to each one of them and heated for one minute. The final colour in each one of the test tubes is given in the chart below.

Which among the given food items have sugar present in them?

AI and II only
BIII and IV only
CII and III only
DI and III only

Aman is blind-folded and he is asked to differentiate some pairs of items. Which of the following pairs of items can he differentiate? Aman

(A) A glass of orange juice and a glass of plain water.
(B) A piece of red and a piece of blue cloth.
(C) A round ball and a rectangular box.
(D) An empty piggy bank and a piggy bank with some coins in it.

A (A) and (D) only
B (B) and (C) only
C (A), (C) and (D) only
D (A), (B), (C) and (D)

Lugda is associated with which among the following Indian states?

AWest Bengal
BMaharashtra
CNagaland
DPunjab

Select the INCORRECT option.

AMetal is lustrous and is used for making utensils.
BWood is opaque and elastic, and is used for making furniture.
CMarble sinks in water and is a bad conductor of electricity.
DGlass is brittle and is non-magnetic.

A candle flame is placed in between two charged plates as shown in the given figure. Which of the following diagrams best represents the shape of flame?


A
B
C
D

Which among the given graphs correctly shows the effect of light intensity and carbon dioxide concentration on photosynthesis?


A
B
C
D

Select the INCORRECT statement regarding air.

A Air is a mixture of many gases like nitrogen (78%) , oxygen (21%) and others including carbon dioxide (1%) .
B Carbon dioxide is the gas that we breathe in.
C The oxygen in the air is required for burning things.
D When a balloon is overfilled with air, the air pressure inside becomes greater than the air pressure outside and it bursts.

Refer to the given Venn diagram and select the option that correctly identifies X, Y and Z.