Multiple Choice Questions

Which kingdom has not definite nucleus cell?

Monera

How much charge is there in one electron?

1.6×10^-19C

When did Charles Darwin publish the book “Origin of Species”?

1859AD

Which of the following example is based on Newton’s second law of motion?

Both b and c. (Tightening the seat belt in a car when it stops quickly and It is easier to push an empty cart than the loaded cart.)

Which statement is wrong?

Spores of mushroom are formed in mycelium

Which one is not the example of a search engine?

Norton

Isotopes are different from each other in?

In atomic weight

Which sequence is correct?

Phylum, class, order, family

Answer the following questions:

a. What is plasticity?
Plasticity refers to the ability of a material to undergo permanent deformation without breaking when subjected to stress, and then retain its original shape after the stress is removed. In neuroscience, plasticity refers to the brain’s ability to reorganize neural pathways based on new experiences or learning.

b. What is electromotive force?
Electromotive force (EMF) is a measure of the energy per unit charge that is supplied by a source of electric current, such as a battery or generator. It is the force that causes electric charges to move in a circuit and is measured in volts.