The area under the velocity time graph gives.
A. Distance
B. Speed
C. Acceleration
D. Force
In human beings, Immunity against diseases is mainly enhanced by:
A. Platelets
B. Red blood cells
C. White blood cells
D. Lymphatic system
First law of motion is also called.
A. Law of inertia
B. Law of mass
C. Law of body
D. Law of surface
The gravity at the center of earth is:
A. 10
B. 1
C. infinity
D. Zero
Explanation: At the exact center of the Earth, the gravitational forces from all directions cancel each other out. This results in a net gravitational force of zero at the center. Therefore, an object placed at the center of the Earth would experience no gravitational pull in any particular direction.
New blood cells are generally developed in the:
A. Blood vassals
B. Blood narrow
C. Blood Plasma
D. Platelets
Explanation: Bone marrow is a soft, spongy tissue found inside certain bones, such as the hip bones, ribs, and the long bones of the arms and legs. It plays a crucial role in the production and development of various blood cells, including red blood cells, white blood cells, and platelets.
The shortest distance between two points is:
A. Distance
B. Displacement
C. Speed
D. Velocity
