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The given graph represents how three different living organisms (X, Y and Z) cope with the external environmental conditions. Study the graph and select the correct option regarding X, Y and Z.


A X could be a mammal.
B Y could be a bird.
C Z could be a mammal.
D X could be a bird.

Select the correct match of the place and the houses commonly found there.

A – Assam
B – Kashmir
C – Uttar Pradesh
D All of these

If 'A $ B' means A is the brother of B; 'A @ B' means A is the wife of B; 'A # B' means A is the daughter of B and 'A * B' means A is the father of B, which of the following indicates that U is the father-in-law of P?

A P@Q$T#U*W
B P@W$Q*T#U
C P@Q$W*T#U
D P@Q$T#W*U

Natural water is impure and needs to be purified before this water can be supplied to homes for drinking purposes. The sequence of steps involved in purification of water is

A Filtration, sedimentation, decantation and aeration
B Sedimentation, loading, filtration and chlorination
C Chlorination, aeration, sedimentation and filtration
D Chlorination, filtration and distillation.

There are 206 bones in the body of an adult. The biggest bone of our body is ________ which is located in the ________. The smallest bone is ________. It is located in the ________.
Select the correct sequence of words to complete the above paragraph.

ATibia, thigh, vertebra, inner ear
BFemur, thigh, stapes, middle ear
CFemur, shoulder, stapes, inner ear
DRadius, arm, malleus, inner ear

Which of these you should NOT do while eating?

AStuff your mouth
BChew with mouth closed
CChew food slowly
DAvoid talking

Foods like chapati, rice and potato wedges are rich in __________.

A Carbohydrate
B Protein
C Vitamin
D Mineral

An air conditioner is rated 260 V, 2.0 kW. The air conditioner is switched on for 10 hours each day. What is electrical energy consumed in 30 days?

A 20 kW h
B 2000 kW h
C 600 kW h
D 420 kW h

Vaishali fell asleep under a tree at time P and woke up at time Q (as shown).

She is wondering why she cannot see her shadow. Select the correct explanation for this.
1. At time ‘P’, the tree is blocking the light and preventing it from falling on her.
2. At time ‘Q’, her shadow falls at the back, so she cannot see her shadow.
3. She fell asleep in the morning and woke up in the evening.
4. She is reflecting back sunlight.

A 1 and 2 only
B 1 and 4 only
C 2 and 3 only
D 3 and 4 only

Unscramble the given names of the body parts and select the correct match with its function.

Word to unscramble ---- Function

ALUKLS------------- Encloses heart
BSIBR ----------------Enclose lungs
CKEEN ---------------Encloses leg
DNICH ---------------Encloses brain