The value of acceleration due to gravity on Earth is approximately: A. 8.9 m/s² B. 10 m/s² C. 9.8 m/s² D. 9.2 m/s²
Answer: C
Which of the following will experience the least pressure? A. A person standing on high heels B. An elephant standing on four legs C. A person lying flat on the floor D. A person standing on his head
Answer: C
A. They are autotrophic B. They have a nucleus C. They are non-living outside the host D. They have a cell wall
Answer: C
A force of 200 N is applied on an area of 2 m². What is the pressure? A. 50 Pa B. 100 Pa C. 200 Pa D. 400 Pa
Answer: B
If a body is in free fall, which force is acting on it? A. Frictional force B. Applied force C. Air resistance D. Gravitational force
Answer D
Which of the following organisms belongs to the kingdom Monera? A. Amoeba B. Bacteria C. Mushroom D. Paramecium
Answer: B
Which kingdom includes multicellular, autotrophic organisms with chlorophyll? A. Animalia B. Plantae C. Fungi D. Protista
Answer B
What is the basis for classification in the five-kingdom system? A. Habitat B. Food habits C. Cell structure and body organization D. Number of legs
Answer C
Two objects of mass 5 kg and 10 kg are dropped from the same height in a vacuum. Which will hit the ground first? A. 5 kg object B. 10 kg object C. Both at the same time D. None will hit the ground
Answer: C
What is the SI unit of the universal gravitational constant (G)? A. N/kg B. N·m²/kg² C. m/s² D. N·kg²/m²
Answer: B
Which of the following best explains why objects fall to the ground? A. Air pressure B. Earth's magnetism C. Gravitational force D. Inertia
Answer: C
Why do camels have large flat feet? A. To walk slowly B. To reduce pressure on sand C. To store fat D. To balance body temperature
Answer: B
A pressure of 500 Pa is applied on an area of 0.2 m². What is the force?A. 10 N B. 50 N C. 100 N D. 200 N
Answer: C
Which of the following is not a kingdom in the five-kingdom classification? A. Monera B. Protista C. Algae D. Fungi
C
A. Chlorophyll is present B. They are autotrophs C. They are mostly unicellular D. They absorb nutrients from decaying matter
Answer: D
Pressure is defined as: A. Force × Area B. Force / Area C. Mass / Volume D. Weight × Height
Answer: B
What happens to the gravitational force between two objects if the distance between them is doubled? A. It doubles B. It becomes one-fourth C. It remains unchanged D. It becomes four times
Answer: B
Which of the following is correct during free fall near the Earth’s surface (ignoring air resistance)? A. Acceleration is zero B. Acceleration is 9.8 m/s² downward C. Speed remains constant D. Only vertical velocity changes
Answer: B
Which of the following instruments is used to measure atmospheric pressure? A. Manometer B. Barometer C. Thermometer D. Hygrometer
Answer: B
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