Question
Which of the following is a
non-metal?Solution
• Nitrogen (Atomic number -7, Group 15 of the periodic table): • Elemental nitrogen is a colourless, odourless, tasteless and mostly inert diatomic gas at standard conditions. • Nitrogen constitutes 78% by volume of Earth's atmosphere. • Nitrogen occurs in all living organisms. • The non-metals include carbon (C), nitrogen (N), oxygen (O), phosphorus (P), sulfur (S), selenium (Se).
Which mechanism of resistance involves adverse effects on the biology of insects and their progeny due to biochemical and biophysical factors in the hos...
Which of the following statements is true for Entomophagy?
Chili leaf curl disease is spread by vector_________
‘Bagging’ or protective covering of fruit clusters is commonly used to protect against which type of pest?
Most common silkworm used for the production of Mulberry silk in India isÂ
Which silkworm feedw on castor tree
___________signifies the separation between the old exocuticle and the epidermis, creating a narrow space that aids in the molting process.
Trichogramma japonicum is a natural parasitoid which is used to control ________
What is the term used to describe the average density of a pest population around which it fluctuates due to biotic and abiotic factors in the absence o...
This toxin is derived from Bacillus thuringiensis, alters the ion permeability of the midgut epithelia in insects, leading to gut paralysis and death: