Tissues — Science STD 9 — Question

Which of the following are isotopes and which are isobars?
Argon (Ar), Deuterium (D), Calcium (Ca), Tritium (T), Protium (P)

Colloid consist of dispersed phase and dispered medium. Aerosol is one type of colloid. Aerosol is made up of which of the following combination?

1. Gas in liquid.
2. Liquid in gas.
3. Solid in gas.
4. Gas in solid.

An object of mass 2kg is sliding with a constant velocity of 4m/ s on a friction less horizontal table. The force required to keep the object moving with the same velocity is:

The value of G depends on:

The history of the cell began in 1665 with the publication of Micrographia in London by:

The process of cross breeding two different varieties of crop plants each having a desire characteristic, is known as:

The correct increasing order of the boiling points of liquid oxygen, liquid argon and liquid nitrogen present in liquid air is:

The Bohr model of atoms:

As a wave travels into a medium in which its speed increases, its wavelength would ____.

Intestine absorb the digested food materials. What type of epithelial cells are responsible for that?