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Select the correct statement about the life cycles of a butterfly and a housefly.

AThere are two stages in the life cycle of a butterfly.
BThere are four stages in the life cycle of a housefly.
CThe stage that comes out of an egg is called maggot in case of butterfly.
DLarva of housefly is called nymph.

If an earthquake occurs, what you should not do?

AIf you are outdoors, stay out and take shelter under a tree.
BIf you are indoors, stay in and get under a desk or a table.
CIf you are on a beach, leave and find high ground.
DAll of these

Which of the following statements is/are correct?
(i) Constellations are the specific patterns formed by group of stars in the sky.
(ii) Planet Venus has 63 Moons.
(iii) Satellites are small heavenly bodies that revolve around the Sun.
(iv) One revolution of the Earth is completed in about 365¹⁄₄ days. This time period is called a solar year.

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

The given table shows the rank of three different minerals on the scale of hardness.

The given options show the scratch marks made on the surface of one mineral by rubbing with another mineral.
Based on the above data, which of the following results of scratch test will be obtained?

A
B
C
D

The given options show the bacterial count, oxygen level and the number of green plants and animals in the river near each of four towns A, B, C and D. Which town is situated near an unpolluted river?

The given diagram shows part of a food web. Which of the following represents a pyramid of biomass based on the given food web?


A
B
C
D

Arrange the following steps in a sequential order to explain the formation of convectional currents through ventilation.
(p) Hot air passes out through the ventilators and creates low pressure region in the room.
(q) The rooms are provided with ventilators at the top.
(r) Hot air in the room is less denser and it rises up.
(s) The cold air enters into the room through windows from high pressure to low pressure region.

A rpsq
B qrps
C qpsr
D qprs

Which of the following is a correct statement regarding adaptations of polar bear?

AShort and thick feathers of polar bear protects it from cold.
BPolar bear has a layer of fat under its skin called blubber which conducts body heat.
CPolar bear has white fur so that it is not easily visible in the snowy background and is protected from its predators.
DPolar bear has long, curved and sharp claws which help it to swim.

Garima accidentally mixed some iron nails with some plastic buttons. Now, the easiest method to separate these two is ________.

ASieving
BMagnetic separation
CFiltration
DManual picking