Formation of Sodium Chloride is an example of
The bond formed by a complete transfer of one or more electrons is called electrovalent or ionic bond. The compound so formed is called the electrovalent compound. A covalent bond is a chemical bond that involves the sharing of electron pairs between atoms . A coordinate covalent bond, also known as a dative bond, dipolar bond, or coordinate bond is a kind of two-center, two-electron covalent bond in which the two electrons derive from the same atom.
Kerria sp. is a …. species of lac insect.
Insects belong to the phylum_____
Which one of the following is red in the adult of red hairy caterpillar?
Propodeum is found in the insect belonging to the sub-order:
Which of the following statements is true about Entomology?
………………….. is associated to achieve the goal of Sweet Revolution in country
Pebrine disease of silkworm is caused by
Which of the following is not a natural predator of BPH?
The silk fibres are held together in cocoon by a substance known as
The process of killing pupa without changing the cocoon shell layer is called_________.
