Thyroid and Parathyroid glands
Thyroid and Parathyroid glands Thyroid gland: Location and structure: It is the largest endocrine gland located in the neck, anterior to the trachea. It consists […]
Month: November 2017
Life cycle of honey bee and uses of honey
Life cycle of honey bee The life cycle of honey bee completes in four stages; egg, larva, pupa and adult. The queen bee emerges from […]
Structure and division of labor in honey bees
Honey bees are social insects, which means that they live together in large, well-organized family groups. They are useful to us as they produce honey, […]
Classification of living organisms
The scientific ordering or systematic arrangement of living organisms in a hierarchical series of groups on the basis of their relationships (morphological, evolutionary and other […]
Pituitary gland (The master gland)
The endocrine system is made up of tissues or organs (collectively called glands) which secrete a chemical substance called hormone. Hormone is a specialized chemical […]
Sericulture and life cycle of silkworm
Silkworm is beneficial to us as we extract silk from its cocoon. In Nepal, two types of silkworm are reared for the commercial production of […]
Silver and gold (coinage metals)
Silver: Symbol :- Ag Atomic number :- 47 Atomic weight :- 107.88 amu Valency :- 1 Position in the periodic table :- group IA (d-block […]