Competitive Exams: Miscellaneous Information in Biology

RQ = CO2/O2

  • Carboxylic Acid – More than 1

  • Carbohydrate – 1

  • Herbivore – 0.96

  • Protein – 0.8-0.9

  • Fat – 0.7

  • Mixed diet – 0.85

  • Omnivore – 0.8

  • Carnivore – 0.675

  • Succulents – Zero (night) more than 1 (day)

  • Anaerobic respiration - infinity

  • Flag effect – tundra plant

  • N O2 (nitrite) prevent growth of organism Causing botulism

  • Cosmolozoic theory – Richter

  • Cosmic Pansperming Theory – Arrhenius

  • Oparin (Russian) – ‘Origin of life’

  • Haldane – hot dilute soup of organic substances

Excretory Organ

  • Arachnida – Coxal gland

  • Pigeon – Hypoxanthin

  • Hame cell – planaria

  • Green glands – prawn

  • Bird – Omithic Acid

  • Spider – Guanine

  • Terrestrial – Urea

  • Bird/reptile – uric acid

  • Aquatic – ammonia

Modifications in leaf structure

  • Phylloclade – stem – Leaf (opuntia)

  • Phyllode – petiole – leaf e.g. Acacia auriculiformis

  • Cladode – Rescue, asparagus internode

Reversible Inhibitors

  • Carbamates

  • Physostigmine

  • Neo quinine

  • Edrophonium

  • Acridine

  • Tacrine

Irreversible Inhibitors

  • Organophosphate

  • DFP

  • Parathion

  • Malathion

  • Echothiophate

  • Tabum(nerve agent)

  • Sarin(nerve agent)

  • Soman(nerve agent)

  • Carbamates

  • Carbaryl (Sevin)

  • Proporam(Baygon)