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Science

General Science GK Part 2 For NEET And AFMC Exam

Gk Scientist October 23, 2020 No Comments
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General Science GK Part 2 For NEET And AFMC Exam:

  • The electromagnetic radiation of short wavelengths is called- X-rays.
  • Who coined the term cell membrane or plasma membrane- C. Nugeli & C. Cramer.
  • The animals that eat upon the members of their own family are called- Cannibiles.
  • The organizational unit of the biosphere is termed as- Ecosystem.
  • The development of an egg into a complete individual without fertilization is known as- Parthenogenesis.
  • The mode of reproduction in bacteria is by- Conjugation.
  • Inflammation of the lungs due to infection is called- Pneumonia.
  • The blood flow between the right atrium and the right ventricle is regulated by the- Tricuspid valve.
  • Which cells protect the body against invading micro-organisms and remove dead cells from the body- White Blood Corpuscles or Leucocytes.
  • Which is the largest part of the brain- the Cerebrum.
  • A gonadotropic hormone that directly stimulates the gonadal functions in both males and females is- Follicle Stimulating Hormone (FSH).
  • Which hormone directly stimulates the smooth muscles of the uterus and causes the contraction, and helps in the delivery of foetus- Oxytocin.
  • Apical dominance can be overcome by the application of- Cytokinin.
  • Lack of which element has made some plants insectivorous- Nitrogen.
  • Plants absorb the element nitrogen in the form of- Nitrates.
  • Deficiency of which macronutrient causes extensive chlorosis and necrosis on leaves- Magnesium.
  • The roots of leguminous crop bear nodules, which contain nitrogen-fixing bacteria called- Rhizobium.
  • Deficiency of thyroxine hormone in children from the time of birth cause- Cretinism.
  • Which cells synthesize, store and secrete two hormones namely insulin and glucagon in Pancreas- Islets of Langerhans.
  • The mature sperms are stored in the- Epididymis.
  • The glandular accessory organ which produces the largest proportion of semen is- Seminal vesicle.
  • Rhodopsin pigment is present in which cell- Rod Cell.
  • Krause’s corpuscles are concerned with the sensation of- Cold.
  • What is the function of the ‘Iris’ in the eye- Alter the size of the pupil.
  • Cushing’s disease is caused by hyperactivity of- Glucocorticoids.
  • The most important hormone in initiating and maintaining lactation after birth is- Prolactin.
  • Germinal epithelium of testes forms- Sperms.
  • Agening starts with the disappearance of- Thymus gland.
  • What is the structural and functional unit of the Nervous System- Neuron.
  • The undifferentiated tissue at the root and the shoot tip, responsible for the increase in the length of the plant is- Apical Meristem.
  • Which cell help in the transport of oxygen in the blood- Red blood corpuscles or Erythrocytes.
  • The cell walls of Parenchyma are made up of- Cellulose.
  • An unorganized, undifferentiated mass of cells formed in tissue culture is called- Callus.
  • Hershey and Chase experiment with bacteriophage showed that- DNA is the genetic material.
  • Who introduced the term biodiversity- Walter Rosen.
  • Which forest is known as the lungs of the planet earth- Amazon rain forest.
  • Which endoparasites of humans do show viviparity- Trichimella Spiralis.
  • Cryopreservation of gametes of threatened species in viable and fertile conditions can be referred to as- Advanced ex-situ conservation of biodiversity.
  • The species confined to a particular region and not found elsewhere is termed as- Endemic.
  • Rachel Carson’s famous book ‘Silent Spring’ is related to- Pesticide pollution.
  • In animals weakening of bones and teeth is caused by pollutant- Fluoride.
  • A common indicator organism of water pollution is- Escherichia Coli.
  • In a photosynthesis experiment, plant growth could not be best when exposed to- Red and blue lights.
  • Energy is transferred from the light reaction to the dark reaction step by- ATP or Adenosine Triphosphate.
  • A balance between atmospheric CO2 and O2 is maintained by- Photosynthesis.
  • Under conditions of high light intensity and limited CO2 supply, the process of photorespiration protects the plants from- Photooxidative Damage.
  • Which plant leaves do not show kranz anatomy- C3 Plants.
  • Which plants carry out photosynthesis at night- Chenopodium & Euphorbia.
  • Which element constitutes the centre part of the chlorophyll- Magnesium.
  • The bundle sheath cells and mesophyll cells are well developed with chloroplasts is termed- Kranz Anatomy.
  • The methane gas producing field is- Paddy Field.
  • Pollutant released by jet planes is- Aerosol.
  • Soil Salinity can be measured by- Calorimeter.
General Science GK Part 1
  • Transpiration In Plants
  • Pollination
  • Difference Between Aerobic and Anaerobic Respiration
  • Carbon Cycle In Nature
  • Nitrogen Cycle In Nature
  • Asexual & Sexual Reproduction in Plants from Tamil Board Book
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