Which hormone is commonly known as the 'fruit ripening hormone'? MCQ with Answer and Explanation

Explanation:
Polymerase chain reaction (PCR) uses Taq polymerase, primers, and thermal cycling to make millions of copies of a specific DNA sequence. Southern blotting detects DNA, electrophoresis separates, sequencing reads bases.

Explanation:
Ascariasis is a helminthic infection caused by the intestinal roundworm Ascaris lumbricoides. Ringworm (dermatophytosis) is a superficial fungal infection of the skin, hair, or nails caused by dermatophytes like Microsporum. Amoebiasis is an intestinal infection caused by the protozoan parasite Entamoeba histolytica, not a bacterium. Thus, statements 1 and 2 are correct.

Explanation:
Beriberi is a disease affecting the nervous and cardiovascular systems due to lack of thiamine (B₁). Scurvy is vitamin C deficiency, pellagra is niacin (B₃), rickets is vitamin D. Thiamine is a coenzyme in carbohydrate metabolism.