Questions

Nylon is made when the appropriate monomers (the chemical building blocks which make up polymers) are combined to form a long chain via a condensation polymerisation reaction. The monomers for nylon 6-6 are adipic acid and hexamethylene diamine

The meanings of the given words are as follows:
Recalcitrant: having an obstinately uncooperative attitude towards authority or discipline
Peculiar: different to what is normal or
expected; strange Convivial: (of an atmosphere or event) friendly, lively, and enjoyable
Amenable: open and responsive to suggestion; easily persuaded or controlled
Docile: ready to accept control or instruction; submissive
Taciturn: (of a person) reserved or uncommunicative in speech; saying little
Withering: intended to make someone feel humiliated; scornful
Voluble: (of a person) talking fluently, readily, or incessantly
Turgid: swollen and distended or congested
Pendulous: hanging down loosely
Jocular: fond of or characterized by joking; humorous or playful
Therefore, it can be observed that option B i.e. ‘amenable, docile’ forms an antonym- antonym pair of ‘recalcitrant’.

An increase in demand means that the demand curve shifts to the right, and hence quantity demanded will be high at each price.

Forms taken up by plants: Mg++ Functions in plants: a part of the chlorophyll molecule -essential in photosynthesis: related to phosphorus metabolism: large quantities found in seed.Mg deficiency symptoms: Mg is mobile, so symptoms occur first in old leaves; A whitish or yellowish striping effect on grasses.