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Biology

Two upper chambers of heart are called

A. Ventricles
B. Platelets
C. Corpuscles
D. Atrium

Answer & Solution

Option: D
Explanation :A normal heart has two upper and two lower chambers.The upper chambers are called atrium (or auricle), and the lower chamber is called a ventricle. The heart valves, which keep blood flowing in the right direction, are gates at the chamber openings.

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Teeth are used for cutting food.

Pakexammcq Biology 0

A. Canines
B. Molars
C. Incisors
D. Per-molars

Answer & Solution

Option: C
Explanation :Teeth are used for cutting food are called Incisors. These are the total eight front teeth. Four on the top and four on the bottom jaw. They have a sharp, narrow edge designed for biting and cutting food into smaller pieces.