User Forum

Read the given conversation with respect to the parts of digestive system and identify ‘X’ and ‘Y’.


A‘X’ is gall bladder and ‘Y’ is small intestine.
B‘X’ is oesophagus and ‘Y’ is liver.
C‘X’ is liver and ‘Y’ is stomach.
D‘X’ is stomach ‘Y’ is liver.

In the given table, animals are classified into groups X and Y on the basis of their breathing organs. To which of the following groups do eagle and mosquito belong?

Select the INCORRECT match.

AWater changing into - Evaporation water vapour on heating
BPurifying impure liquid by - Filtration straining
CWater vapour changing - Condensation into water on cooling
DUsed to separate immiscible liquids - Sedimentation

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

Study the given table.

Select the INCORRECT statement regarding P-S.

AP could be cold-blooded animal whereas R could be warm-blooded animal.
BQ could be six legged animal whereas R could be four legged animal.
CR could breathe through lungs whereas S could breathe through spiracles.
DP could have a pair of wings whereas Q could have two pairs of wings.

Based on nutrients, select the option in which the odd one is encircled correctly.

AMeat, , Butter
B, Butter, Cheese
CPotato, , Bread
DBeetroot, , Red meat

Identify the types of teeth labelled as P, Q, R and S in the given figure and match them with their respective functions given below.
Functions
(i) Crush the food
(ii) Tear the food
(iii) Grind and chew the food
(iv) Bite the food


AP-(i), Q-(iv), R-(iii), S-(ii)
BP-(iii), Q-(ii), R-(iv), S-(i)
CP-(iv), Q-(ii), R-(i), S-(iii)
DP-(iv), Q-(iii), R-(i), S-(ii)

Refer to the given flow chart showing energy conversion and select the option that correctly identifies P, Q, R and S.

Select the correct option regarding the energy changes taking place with respect to given figure.


ALight energy → Mechanical energy → Kinetic energy
BLight energy → Chemical energy → Kinetic energy
CChemical energy → Light energy → Kinetic energy
DMechanical energy → Kinetic energy → Light energy

Ananya took a green leaf and then boiled it in water. After boiling, she put it in alcohol in a water bath. After some time, she performed iodine test on the leaf. The leaf turns blue-black. This shows that

AChlorophyll is needed for photosynthesis.
BSunlight is needed for photosynthesis.
CStarch is produced in green leaf during photosynthesis.
DLight is needed for photosynthesis.