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  • 511 Which one of the following pairs is not correctly matched?

    (A) Becquerel: Radioactivity
    (B) Alexander Fleming: Penicillin
    (C) Louis Pasteur: Blood groups
    (D) William Harvey: Blood circulation
  • 512 Which one of the following plant nutrients is not supplemented in the soil for growing legumes?

    (A) Nitrogen
    (B) Potassium
    (C) Phosphorus
    (D) None of these
  • 513 Which one of the following statements is incorrect about laser?

    (A) It is a technique for producing intense beams of light; ultraviolet or infrared radiation of different wavelength.
    (B) Even in diamond laser beam can drill a hole.
    (C) A variety of lasers have been made from solids like the ruby crystal and semi conducting materials; liquids and gases.
    (D) All waves in laser; travel in phase.
  • 514 Which one of the following systems of the body is primarily attacked by the HIV?

    (A) Cardiovascular
    (B) Immune
    (C) Respiratory
    (D) Reproductive
  • 515 Which one of the following waves are used by the common TV remote control?

    (A) Radio waves
    (B) Lasers
    (C) Infrared waves
    (D) Ultrasonic waves
  • 516 Which organ in the human body is responsible for removing carbon dioxide from the body?

    (A) Kidney
    (B) Lungs
    (C) Blood
    (D) Ureter
  • 517 Which organ of the body produces the fluid known as bile?

    (A) Liver
    (B) Pancreas
    (C) Gall bladder
    (D) Kidney
  • 518 Which part of human body skin has greatest number Sweat glands?

    (A) Forehead
    (B) Forearm
    (C) Palm of the hand
    (D) Back
  • 519 Which vessel carries blood to the kidneys?

    (A) Renal Arteries
    (B) Renal Vein
    (C) Both A and B
    (D) Only A
  • 520 Which vitamin is needed to prevent Xero-phthalmia? –– ADVERTISEMENT ––

    (A) A
    (B) B
    (C) C
    (D) D
  • 521 Who among the following discovered the anti-rabies vaccine?

    (A) Edward Jenner
    (B) James Lind
    (C) Louis Pasteur
    (D) Robert Koch
  • 522 Who among the following had started vaccination?

    (A) Jonas E. Salk
    (B) Paul Muller
    (C) Edward Jenner
    (D) Robert Frost
  • 523 Who discovered cell in 1665?

    (A) Robert Hook
    (B) Robert Crook
    (C) David Thomson
    (D) Marie Francois
  • 524 Who had given the theory of evolution of species by natural selection?

    (A) Darwin
    (B) Mendel
    (C) Dalton
    (D) Morgan
  • 525 Who is considered as the father of western medicines?

    (A) Hesiod
    (B) Hippocrates
    (C) Both 1 and 2
    (D) Neither 1 nor 2
  • 526 Who is known as the father of genetics?

    (A) Mendel
    (B) Darwin
    (C) Dalton
    (D) Marie Curie
  • 527 Who said this statement? "I flatter myself having discovered the method that nature employs to purify air. It is vegetation."

    (A) Antonine Laurent Lavoisier
    (B) Joseph Priestley
    (C) Louis Pasteur
    (D) William Harvey
  • 528 Who suggested that life must have developed from the simple inorganic molecules like methane, hydrogen etc. which were present on the earth soon after it was formed?

    (A) Darwin
    (B) Marrie Curie
    (C) Haldane
    (D) None of the above
  • 529 Why it is not advisable to sleep under a tree at night?

    (A) Release of less oxygen
    (B) Release of more oxygen
    (C) Release of carbon dioxide
    (D) Release of carbon monoxide
  • 530 Why the white blood corpuscles are popularly called "soldiers of the body”?

    (A) March at a regular pace
    (B) Appear uniform
    (C) Defend the body
    (D) Disciplined
  • 531 Why was DDT banned which an organ chlorine compound, used first to control malaria, carried in mosquitoes and later to a variety to insect pests?

    (A) It brings about a change in sex chromosomes
    (B) It persists in the environment and bio-accumulates
    (C) It increases its affinity hundred-fold for haemoglobin preventing its coupling with oxygen
    (D) All of these

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