Explanation

A semiconductor with a large value is called a wide-band-gap semiconductor

Light emitting diode is a 2-lead semiconductor device. 

The name semiconductor comes from the fact that these materials have electrical conductivity between a metal, like copper, gold, etc., and an insulator, like glass.

They have an energy gap of less than 4eV (about 1eV).

Explanation

elephantiasis caused by infection with parasites classified as nematodes (roundworms)

Lymphatic filariasis, commonly known as elephantiasis, is a painful and profoundly disfiguring disease.

Explanation

The name ''Eiffel Tower'' is a proper noun and specifically references a national monument in Paris, France.

As a noun, the title must represent a person, place, thing, or idea.

In this case, the ''Eiffel Tower'' represents a thing, a national monument.

Explanation

Ripened ovary or fertilized ovary is called a fruit.

Post-fertilization changes in plants involve:

endosperm formation

embryo development

seed

fruit formation.

while

Ovules at maturity or ripened ovules are known as seeds.

The second male gamete fuses with the diploid secondary nucleus to form triploid endosperm which nourishes the developing embryo.

Explanation

A ratio can be written in three different ways:

with the word “to”: 3 to 4.

as a fraction: 3/4

.with a colon: 3 : 4.

Explanation

A tonne (also called metric ton) is a non-SI unit of mass defined as 1 tonne= 1000 kg (= 106 g).

A tonne is a metric unit of mass equivalent to 1,000 kg or 2,204.6 lbs.

while

ton is an imperial unit of mass equivalent to 1,016.047 kg or 2,240 lbs.

Explanation

Aluminium powed + Nitrate Called Ammonal  

Ammonal is an explosive made up of ammonium nitrate and aluminium powder, in which the ammonium nitrate functions as an oxidizer and the aluminium as fuel.

The mixture is often referred to as Tannerite, which is a brand of ammonal.

The ammonium nitrate functions as an oxidizer and the aluminium as fuel.

The use of the relatively cheap ammonium nitrate and aluminium makes it a replacement for pure TNT.

Explanation

Hibernia, in ancient geography, was one of the names by which Ireland was known to Greek and Roman writers.

The name was altered in Latin (influenced by the word hībernus) as though it meant "land of winter", although the word for winter began with a long 'i'.

Explanation

On the occasion of Fateh Makkah Abu Sufyan's house was described as Dar- ul-Aman by the Prophet (PBUH)

The conquest of Makka in December 629 or January 630

Prophet Muhammad (PBUH) "He who takes refuge in Abu Sufyan’s house is safe; whosoever confines himself to his house, the inmates thereof shall be in safety, and he who enters the Sacred Mosque is safe

Explanation

Vinay Mohan Kwatra is an Indian diplomat of the IFS cadre serving as the 34th and the current Foreign Secretary of India

Vinay Mohan Kwatra, IFS since 1 May 2022

Preceded by: Harsh Vardhan Shringla