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Differentiate between Foetus and Zygote. Hint: Zygote and fetus are terms used to describe different stages of development within the mother’s womb….
State and explain Coulomb’s law in electrostatics. Hint: When two or more charges are present, they exert forces on each other. Opposite…
Give five points to show the significance of variation? Hint: Variations involve changes in the genetic makeup of a population or the…
The term ecosystem was coined by? (a) E.P. Odum. (b) A.G Tansley. (c) E. Haeckel. (d) E. Warming. Hint: The scientist is…
What are universal gates? Why are they called so? Explanation: In digital electronics, AND, OR, and NOT gates form the basic building…
Energy flow in an ecosystem is (A) Unidirectional (B) Bidirectional (C) Multi directional (D) All of the above Hint: Energy flow refers…
There are two charges +1 microcoulomb and +5microcoulomb. The ratio of the forces acting on them will be (A) 1:1 (B) 1:25…
Correct percentage of carbon dioxide present in the atmosphere is A. 0.03% B. 0.3% C. 1% D. 1.1% Hint: Carbon dioxide is…
A colour blind male (XcY) marries a carrier female (XCXc). Possible genotype of daughters will be______? a. XcXc only b. XCXC only c….
The first microscope was invented by (A) Leeuwenhoek (B) Hooke (C) F. Janssen and Z. Janssen (D) Schleiden Hint:-A microscope is a…