Questions

The author of the book 'Panchashati Galpo' is Atin Bandyopadhyay or Atin Banerjee. He was a writer of Bengali literature.

The highly energetic gamma particles can penetrate most compounds that stop by other types of radiation. However, lead, steel, or concrete can reduce the high energy of these particles, making them less penetrating.

Hence, Gamma radiation can be stopped by a several inches of lead or steel, or several meters of concrete.

Antisnake venom: In the Hoffkine Institute at Bombay snake venom in mild dose is injected into horses and the horses are induced to produce anti-venom bodies. These are extracted and used in cases of snake bites.

When an atom loses an electron it becomes a positive ion by acquiring negatively charged. When it loses electron, the atom's radius also decreased.

The distance between two genes is measured with a unit called map unit. One map unit is equivalent to 1% recombination frequency.

Stainless steel contains 18% chromium and 82% steel