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A student performs displacement reactions using four metals: Fe, Zn, Mg and K. Based on their ability to displace each other from salt solutions, arrange these metals in increasing order of reactivity.

A Fe < Zn < Mg < K
B Zn < Fe < Mg < K
C Fe < Mg < Zn < K
D Mg < Zn < Fe < K

Which of the following Venn diagrams best represents the relationship amongst, “Animals, Pet animals and Horse”?

A
B
C
D

I am the reason why bridges have gaps and railway tracks bend slightly in summer. I cause materials to take up more space when heated.
Who am I?

A Sublimation
B Condensation
C Expansion
D Contraction

The given graph shows the relationship between temperature and solubility of a solid and a gas.

Based on the graph choose the correct statement.

A Solubility of solids decreases with increasing temperature.
B Solubility of gases decreases with increasing temperature.
C Both solids and gases dissolve better at high temperatures.
D Solubility of solids remains constant while that of gases decreases.

If all the vowels are removed from the given arrangement, then how many alphabets will be there between W and M in the given arrangement?
3 A Q R W O 6 T 4 E S D 1 F I 8 H K L 7 G C P N V M Y Z J

A 14
B 17
C 12
D 15

Ishan walking in a narrow lane takes five steps forward and three steps backward each step of 1 m long, per second and so on. Determine how long he will take to reach his playground 17 m away from the starting point.

A 45 s
B 15 s
C 40 s
D 53 s

Select the correct match from the following.

A – Helps the bird to perch on a branch and even sleep
B – Helps the bird to climb trees
C – Helps to wade through water
D – Helps to scratch ground to catch insects

________ things can ________. Select the option that correctly fills the blanks in the above sentence.

ANatural, reproduce
BMan-made, grow
CLiving, reproduce
DNon-living, feel

The given figures show preservation methods. Select the correct statement regarding W, X, Y and Z.

(1) W involves storing food at a low temperature to slow bacterial growth.
(2) X involves sealing food in airtight containers to prevent spoilage.
(3) Y adds moisture to food to make it last longer.
(4) Z involves using heat to preserve food, but it doesn’t kill bacteria.

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

Study the given table and select the correct option regarding P, Q, R and S.


A P can be lion or vulture, while Q can be squirrel or monkey.
B Q can be fish or turtle, while R can e grasshopper or parakeet.
C R can be bat or porcupine, while S can be butterfly or dragonfly.
D P can be wolf or tiger, while S can be woodpecker or swallow.