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Refer to the given flow chart and select the correct statement regarding W, X, Y and Z.


AW could be syphilis whereas Z could be chicken pox.
BW could be AIDS whereas Y could be dengue.
CY could be kala azar whereas Z could be sleeping sickness.
DX could be gonorrhoea whereas Y could be diabetes.

Three containers P, Q and R made of metal are filled with chilled water, ice cubes and boiling water with vapour respectively. These containers are kept at room temperature. Which of the following graph shows the temperature variations in all the containers correctly?

A
B
C
D

In a race competition, Manya is behind Ritika. Sonam is in the last. Kavya is before Manya but after Ritika. Who among the following is the first?

ARitika
BKavya
CManya
DSonam

Identify organs X and Y shown in the given figures and select the correct statement regarding them.


A Undigested food from X goes directly into Y where it stays for some time before passing out through anus.
B Both X and Y play a role in mastication of food.
C Both X and Y are important organs of the digestive system.
D Both A and C

A girl wanted to find out how the distance between a light source and an object affects the length of the shadow. She placed the same metal stick at three different positions P, Q and R as shown in the figure.
At these positions she recorded the length (in cm) of the shadow cast on the wall as x_P, x_Q and x_R respectively.

Select the most appropriate reading from the following options.

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

Which of the following statements is correct about the life cycle of a butterfly and a housefly?
(i) They both have four stages in their life cycles.
(ii) They both lay their eggs in water.
(iii) They both fly only when they are at the adult stage.

A (i) only
B (ii) and (iii) only
C (i) and (iii) only
D (ii) only

Which of the following statements is INCORRECT?

A A cuttle fish has spines all over its body, which it uses to attack its enemy.
B Yolk of hen’s egg provides food to the growing embryo.
C Siberian cranes come to India every year from Siberia to escape the severe cold there.
D Head louse is an example of ectoparasite.

Three different alarm clocks X, Y and Z were put at three different places. Sound (in decibels) they produced, when the alarms rang, is plotted in the given graph. Sound produced by clock Y could not be heard because


AThe clock was put in a beaker containing water
BThe clock was put in a cardboard box
CThe clock was put in a jar with vacuum
DThe clock was put in a plastic bag.

Each of the four given groups contains one odd member encircled, on the basis of the type of food. Select the option in which the odd member is encircled INCORRECTLY.

APulses, Chicken,
BBread, Ghee,
CPapaya, Sugar,
DChapati, Jaggery,