Questions

Robert Watson Watt

Prahaar is a contemporary weapon system capable of carrying multiple types of warheads & neutralizing a wide variety of targets. It is a indigenously developed surface-to-surface tactical missile by DRDO.

Stalk means the main stem of a herbaceous plant.

Synonyms for Stalk are - Shoot, trunk, cane, bent, reed, straw, bine, stock,...

Chemical Compounds with stronger intermolecular forces have higher boiling points.

The order of strengths of intermolecular forces is:

 London dispersion < dipole-dipole < H-bonding

${\text{Methane (CH}}_{\mathrm{4)}}$ — London dispersion forces

${\text{Dimethyl ether (CH}}_3{\text{OCH}}_{\mathrm{3)}}$ — dipole-dipole attractions

${\text{Methanol (CH}}_3\text{OH)}$ — hydrogen bonding

Therefore, ${\text{Methanol -}}^{}$${\text{CH}}_3\text{OH}$$\text{with H-Bonding have highest Boiling Point among the given chemical compounds.}$

The word coprodaeum refers to the last part of the elimentary canal.The excreta (undigested, matter) comes out of that part. So, the organisms that take in such materials are called coprophagous.

India ranked low 103rd out of 130 countries surveyed on World Economic Forum’s (WEF) Global Human Capital Index (GHCI) 2017. In the previous edition India ranked 105th.

An index is an optional structure associated with a table to have direct access to rows, which can be created to increase the performance of data retrieval. Index can be created on one or more columns of a table.