The pollution caused non-biodegradable material is radixed by applying.
A) 2R Principle
B) 3R Principle(common)
C) 5R Principle
D) 4R Principle
A piece of thin wire that issued in
an electric circuit to protect electrical appliances is called _________.
A) Fuse
B) Diode
C) Integrated Circuit
D) Capacitor
Explanation:
A fuse is an electrical safety device that is connected to the circuit, to protect the electrical circuit and the devices in the circuit from the excess passage of current through it.
Fuse works on the principle of the heating effect of electric current.
A fuse consists of a narrow wire called fuse wire which gets heated and breaks off if any excess current flows through the circuit.
If the wire breaks it becomes an open circuit.
The largest cell is the egg of an:
A) Eagle
B) Hawk
C) Ostrich
D) None of these
Explanation: Ostrich egg is the largest cell in nature. If you crack an egg into a bowl and look at it, the yellow part is a cell. It is covered with a cell membrane. The egg white is not a part of the cell.
The set of first 5 positive prime
numbers in tabular form can be written as:
A) {1, 2, 3, 5, 7}
B) {1, 3, 5, 7, 9}
C) {2, 3, 5, 7, 9}
D) {2, 3, 5, 7, 11}
Which of the following number is divisible by 3?
A) 7213
B) 4256
C) 5217
D) 9823
Explanation: To determine if a number is divisible by 3 using the divisibility rule of 3, we need to check if the sum of its digits is divisible by 3.
