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In the arrangements I and II shown in figure, four pins W, X, Y and Z are fixed to a metal loop and metal rod with the help of wax. Loop and rod are made of same material and equal thickness. Which set of pins will fall simultaneously? (r is the radius of the loop.)


AY and Z only
BW, X and Y only
CW and X only
DW, X, Y and Z

Select the figure from the options which will replace the (?) to complete the pattern in Fig. (X).


A
B
C
D

A boy introduced a woman as the only daughter of the father of his mother. How is the boy related to the woman?

A Brother
B Father
C Uncle
D Son

Refer the given flowchart and select the correct option.


AX – Flax, Y – Silk
BW – Cotton, Y – Silk
CW – Flax, Z – Wool
DX – Jute, Z – Wool

The diagrammatic representation shows the pulmonary and systemic circulations. Identify the parts labelled as a, b, c, and d and select the correct option.

Ravi was asked to make four groups each with three animals which are useful to humans in a similar way. But he made a mistake. Select the option with mistake.

A Sheep, Yak, Rabbit
B Cow, Goat, Buffalo
C Hen, Duck, Goose
D Elephant, Mule, Crocodile

Navika took 3 different types of materials and buried them under the soil. Decomposition rate of these materials is shown by the graph.

Select the option that correctly identifies X, Y and Z.

AX - Jute Bag; Y - Vegetable peel; Z - Plastic bottle
BX - Vegetable peel; Y - Plastic bottle; Z - Jute bag
CX - Jute bag; Y - Bird droppings; Z - Vegetable peel
DX - Cotton shirt; Y - Newspaper; Z - Cardboard box

Focal length of a convex lens is 10 cm. It produces an erect and enlarged image, if the distance of the object from the lens is

A40 cm
B30 cm
C5 cm
D20 cm

Which of the following is the correct match?

A The smallest planet of the solar system – Venus
B A galaxy – Group of planets
C Not visible from the northern hemisphere – Pole star
D Rotates from east to west – Uranus

Which of the following figures will complete the pattern in Fig. (X)?



A
B
C
D