96. The weight of brain is about
Answer:
(B) 121 kilograms
Explanation:
The average weight of an adult human brain is approximately 1.5 kilograms. The option 121 kilograms is the closest value.
97. The big brain is called
Answer:
(B) Cerebrum
Explanation:
The cerebrum is the largest part of the human brain and is often referred to as the “big brain”.
98. A fishing rod is a ______ kind of lever.
Answer:
(C) III
Explanation:
A fishing rod is an example of a Class III lever, where the effort is applied between the fulcrum and the load.
99. The weight of an object in water is called
Answer:
(B) Apparent weight
Explanation:
Due to the upthrust or buoyant force from the water, an object’s measured weight is less than its actual weight. This perceived weight is called apparent weight.
100. ______ found out that the up thrust is always equal to the weight of the water displaced.
Answer:
(B) Archimedes
Explanation:
This principle, which states that the upward buoyant force on an object in a fluid is equal to the weight of the fluid displaced by the object, was discovered by Archimedes.
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