Explanation

• Einstein's equation E=mc² shows that mass can be converted into energy and vice versa.
• c: Speed of light = 299,792,458 m/s (≈ 3×10⁸ m/s)
• E: Energy
• m: Mass
• It was proposed by Albert Einstein in 1905 as part of the Special Theory of Relativity.

Last verified on 28-07-2026

Explanation

• Cow and Deer are herbivores because they feed on plants.
• Herbivores eat grass, leaves, fruits, and other plant materials.

Additional information:

• Herbivores: Cow, Deer, Goat, Rabbit, Elephant
• Carnivores: Lion, Tiger, Leopard, Wolf, Cheetah
• Omnivores: Human, Bear, Crow, Pig, Hen

Last verified on 27-07-2026

Explanation

• Paramecium contains two nuclei: a macronucleus and a micronucleus.
• The macronucleus controls daily metabolic and cellular activities.
• The micronucleus is responsible for reproduction and genetic exchange.
• Paramecium is a single-celled protozoan found in freshwater.
• It belongs to the phylum Ciliophora.

Last verified on 27-07-2026

Explanation

Explanation

• Viruses are non-cellular and obligate intracellular parasites.
• They cannot carry out life processes or reproduce without a living host cell.
• Viruses contain either DNA or RNA.
• They are considered to be at the boundary between living and non-living.
• The branch of science that studies viruses is called Virology.

Last verified on 27-07-2026