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Study the given flow chart that shows some ways of garbage disposal.

Which is the best way to dispose the types of wastes listed below?
a. Vegetable peels
b. Tea leaves
c. Animal excreta
d. Used needles and syringes
e. Newspapers
f. Polybags
g. Cold-drink cans

A

B

C

D

Few Natural resources are classified as:

P. Exhaustible
Q. Inexhaustible

Some natural resources are
(i) Petrol, diesel
(ii) Coal, petroleum
(iii) Air, water
(iv) Cow dung cakes, sunlight
(v) Forests, minerals

Which of the following represents the correct match?

A P-(iii), (iv); Q-(i), (ii), (v)
B P-(i), (ii), (v); Q-(iii), (iv)
C P-(ii), (v), Q-(i), (iii), (iv)
D None of these is a correct match.

Five children made the following statements about birds.
Ashok : All birds can fly.
Beena : All birds have a beak.
Ashu : All birds have a backbone.
Shuchi : All birds have an outer covering of feathers.
Siddhi : Most birds lay eggs, while some give birth to their young ones.
Whose statements about birds are true?

AAshok, Beena and Ashu only
BBeena, Ashu and Shuchi only
CAshok, Beena, Shuchi and Siddhi only
DBeena, Ashu, Shuchi and Ashok only

Which of the following converts chemical energy to various forms of energy?

A Electric iron
B Microwave
C Bomb
D Television

Read the given statements and select the correct option.
Statement 1 : Silver objects become green and lose their shine with the passage of time.
Statement 2 : Silver reacts with carbon dioxide and moisture present in the atmosphere.

A Both statements 1 and 2 are true and statement 2 is the correct explanation of statement 1.
B Both statements 1 and 2 are true but statement 2 is not the correct explanation of statement 1.
C Statement 1 is true and statement 2 is false.
D Both statements 1 and 2 are false.

If the percolation rate of water of a particular soil sample is 20 mL/min, then how much time will 200 mL of water take to percolate completely into the soil?

A 800 s
B 600 s
C 200 s
D 400 s

Sheetal has taken an empty bottle and fixed a deflated balloon on its mouth. She placed the bottle in a container filled with hot water. After some time, the balloon gets inflated as shown. What could be the most appropriate reason for this?


A Air when gets heated becomes heavier and rises up.
B Air when gets heated becomes lighter and settles down.
C Air when gets heated becomes heavier and settles down.
D Air when gets heated becomes lighter and rises up.

Identify X, Y and Z from the given figure and select the correct statement regarding them.


AZ is attached to bones whereas X is not attached to bones
BY is voluntary muscle whereas Z is involuntary muscle.
CX is very strong muscle that works continuously.
DNone of these

A particle moves on a circular path of radius 7 m with uniform speed of 11 m/s. If it reaches point T from point S, a diametrically opposite point, then during this interval

(i) The average acceleration is zero.
(ii) The average velocity is zero.
(iii) The average acceleration is 11 m/s².
(iv) The average velocity is 7 m/s.
Which of the following options is correct?

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

A student plotted the following four graphs representing the variation of velocity v of sound in a gas with the pressure P for a given temperature. Which one is correct?

A
B
C
D