Q. Which of the following statements is/ are correct in relation to respiration in animals?
I. Amaeba breathes through its cell membrain.
II. Fish breathes through a special breathing organ called 'gills'.
III. The gas exchange in a earth-warm takes place through its thin and moist skin.
Correct code is -
1) Only II
2) Only I and II
3) Only II and III
4) All I, II and III
Q. The value of G in the formula for gravitational force depends on -
1) Mass of the earth only
2) The radius of earth only
3) Both mass and radius of earth
4) Neither mass nor the radius of earth
Q. When a hanging carpet is beaten with a stick, the dust particles in it start coming out of it. This phenomenon can be explained by making use of -
1) Newton's first law of motion
2) Newton's second law of motion
3) Newton's third law of motion
4) Newton's law of gravitation
Q. The numerical ratio of displacement to distance for a moving object is -
1) Always Less than 1
2) Equal to 1 or more than 1
3) Always more than 1
4) Equal to 1 or less than 1
Q. Who was the first scientist of the world to use the symbols to represent elements in a shortway?
1) Dalton
2) Jons Jakob Berzelious
3) Neils Bohr
4) Dmitri Mendeleev
Q. Which of the following is/ are physical changes?
I. Melting of iron rod
II. Rusting of iron metal
III. Bending of an iron rod
IV. Drawing a wire of iron metal
Correct code is -
1) Only I, II and III
2) Only I, II and IV
3) Only I, III and IV
4) Only II, III and IV
Q. Milk of Magnesia is a -
1) Colloid
2) True solution
3) Homogeneous Mixture
4) Suspension
Q. Haritha Haram is the plantation drive of which state?
1) Andhra Pradesh
2) Telangana
3) Kerala
4) Tamil Nadu
Q. Which of the following companies is the title sponsor of Indian Premier League 2021?
1) Chinese Mobile Company VIVO
2) Fantacy Sports Platform Dream 11
3) South Korean electronic company Samsung
4) Reliance Industry
Q. Which of the following is not a reason of migration of Birds?
1) To avoid extreme climatic conditions
2) Rapid urbanisation
3) To have better breeding conditions
4) Less competition for safe places
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