Explanation

In a reverse-biased PN junction, the reverse current is typically very small, usually in the range of microamperes (μA).

This current is primarily due to minority charge carriers.

Explanation

The depletion of the ozone layer is primarily caused by the release of chlorofluorocarbons (CFCs).

It break down ozone molecules, reducing the protective layer that shields the Earth from harmful UV radiation.

Explanation

 The hormone that is not secreted by the anterior pituitary gland is Oxytocin. 

Oxytocin is secreted by the posterior pituitary gland, while the anterior pituitary secretes hormones

Like growth hormone, follicle-stimulating hormone, and adrenocorticotropic hormone

Explanation

When a wire is stretched to double its length, its resistance becomes:

R' = ρ × (2L) / (A/2) = 4 × R

So, the new resistance is 4r ohms

Explanation

The appearance of cloudiness in the Lucas test for alcohol is due to the formation of alkyl chlorides. 

Explanation

 The endometrium is the inner lining of the uterus, and this is where a fertilized embryo implants to begin pregnancy.

Explanation

The IUPAC name of acetone is propanone or propan-2-one.

It is also known as 2-propanone. 

Explanation

A permanent change in the genetic structure of a gene is called a mutation. 

A mutation refers to a change in the DNA sequence of a gene, which can lead to alterations in the protein it encodes. 

Explanation

Musa is one of the many prophets that meets Muhammad in the seven heavens following the latter's ascension from Jerusalem during the Miʿraj.

Prophet Musa Ibn Imran  is the most frequently mentioned individual in The Holy Quran, his name being mentioned 136 times.

Explanation

 A chromosome with unequal length of its arms is Submetacentric. 

A submetacentric chromosome has a centromere slightly off-center, resulting in two unequal arms.