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What are the characteristics of metals?

A Good conductors of electricity and heat; solid at room temperature; transparent, shine brightly when polished.
B Good conductors of electricity and heat; solid at room temperature; opaque except in extremely thin films; do not shine at all when polished.
C Bad conductors of electricity and heat; solid at room temperature; opaque except in extremely thin films.
D Good conductors of electricity and heat; solid at room temperature; opaque except in extremely thin films; shine brightly when polished.

Refer to the given classification table and select the correct option.


AX could be hinge joint whereas Z could be pivot joint.
BY could be ball and socket joint whereas Z could be gliding joint.
CX could be gliding joint whereas Y could be pivot joint.
DY could be pivot joint whereas Z could be gliding joint.

Refer to the given flow chart and select the correct statement regarding P, Q, R and S.


AP could be silk and Q could be asbestos.
BQ could be cotton and R could be wool.
CR could be flax and S could be fleece.
DP could be asbestos and R could be silk.

Study the given relationship based on adaptations in plants.

Select the option that correctly satisfies the same relationship

AWater lily : Sundew
BWater hyacinth : Hydrilla
CLotus : Venus flytrap
DCedar : Fern

Refer to the given table and select the correct option regarding this.


AE is DPT, G is tuberculosis.
BF is Rubeola virus, H is DPT.
CE is BCG, F is Flavi virus.
DG is pertussis, H is Salk vaccine.

Small pieces of rocks are carried away by rivers and streams and are deposited at newer places. Repeated deposition presses down the lower layers and hardens them into rocks. Examples of such kinds of rocks are____________ .

AGranite, pumice, obsidian
BSandstone, limestone, shale
CMarble, slate, quartzite
DSandstone, conglomerate, gneiss

In which of the following cases, a person is doing work in terms of science?

A Radhika is pushing against a stationary wall.
B Priya is sleeping.
C Meena is standing at bus stop waiting for her school bus.
D Gayatri is opening the main door of her house on hearing the door bell.

What is common between the fifth and eighth planet of our solar system?
1. They are made up of frozen gases.
2. They are made up of rocks and iron.
3. They are neither hot nor cold.
4. They are called interior planets or inner planets.

A1 only
B2 and 3 only
C2, 3 and 4 only
D1, 3 and 4 only

A croton plant has colourful leaves. Which one of the following statements is true regarding the croton plant?

AIt can make food because it has yellow pigments in its leaves.
BIt can make food because its mature stems can perform photosynthesis.
CIt can make food because its leaves contain chlorophyll.
DIt is a parasitic plant and cannot make food, hence it obtains food from other green plants.