The process of sperm formation in the testes is called: MCQ with Answer and Explanation

Explanation:
Germination is the resumption of metabolic activity and growth by the embryo within the seed, triggered by water, oxygen, and suitable temperature. Pollination is pollen transfer, fertilization gamete fusion, vegetative propagation asexual.

Explanation:
Gibberellins stimulate seed germination by activating synthesis of hydrolytic enzymes (amylase) that break down stored food reserves. They also promote stem elongation. Abscisic acid inhibits germination and promotes dormancy. Ethylene is for ripening, cytokinins for cell division. The GA:ABA ratio determines germination vs dormancy.

Explanation:
The epidermis is the avascular, outermost layer of skin, composed mainly of keratinized stratified squamous epithelium. It provides a waterproof barrier and creates skin tone via melanocytes. The dermis is below, containing vessels and nerves, hypodermis is subcutaneous fat, endodermis is a root layer in plants.