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.
