Q: 19541 The deepest place on earth is ____________?

  1. 
    Trench
  2. 
    Mariana Trench
  3. 
    Mangrove
  4. 
    Groove
  5. 
    None of these

Q: 19542 Magnifying power of a simple microscope can be increased by ?

  1. 
    increasing focal length of the lens
  2. 
    Decreasing focal length of the lens
  3. 
    Lens of large aperture
  4. 
    lens of short aperture
  5. 
    None of these

Q: 19543 A nuclear reactor is a device used to carry out controlled nuclear reaction whereas GM counter is a device used to detect?

  1. 
    Current
  2. 
    Voltage
  3. 
    Nuclear Radiation
  4. 
    power
  5. 
    None of these

Q: 19544 A body can escape the gravitational pull of the earth if it is thrown up with a velocity of?

  1. 
    25 miles per sec
  2. 
    60 miles per sec
  3. 
    7 miles per sec
  4. 
    10 miles per sec
  5. 
    None of these

Q: 19545 Myopia is a defect of Human eye. it can be corrected by using a lens called?

  1. 
    Convex lens
  2. 
    Concave lens
  3. 
    Cylindrical lens
  4. 
    Plano convex lens
  5. 
    None of these

Q: 19546 The instrument which i specially design for recording earth quake wave is called seismograph which measure earth quake waves on a ____________?

  1. 
    Diatonic scale
  2. 
    Fahrenheit Scale
  3. 
    Richter scale
  4. 
    Celsius Scale
  5. 
    None of these

Q: 19547 Cobalt is a material which is ?

  1. 
    Strongly attracted by a magnet
  2. 
    Not attracted by a magnet
  3. 
    not a magnet
  4. 
    Weakly attracted by a magnet
  5. 
    None of these

Q: 19548 In humans , most nutrient molecules are absorbed by the ?

  1. 
    Small intestine
  2. 
    Stomach
  3. 
    Liver
  4. 
    Large intestine
  5. 
    None of these

Q: 19549 What is the body temperature of a normal man?

  1. 
    81.1 °C
  2. 
    37.0 °C
  3. 
    98.6 °C
  4. 
    21.7 °C

Q: 19550 Which of the following helps in clotting of blood?

  1. 
    Vitamin B1
  2. 
    Vitamin B2
  3. 
    Vitamin D
  4. 
    Vitamin K

Q: 19551 Total volume of blood in a normal adult human being is

  1. 
    5-6 liters
  2. 
    3-4 liters
  3. 
    8-10 liters
  4. 
    10-12 liters

Q: 19552 Red blood corpuscles are formed in the____________?

  1. 
    Liver
  2. 
    Bone marrow
  3. 
    Kidneys
  4. 
    Heart

Q: 19553 How many bones are there in an adult human being?

  1. 
    210
  2. 
    260
  3. 
    206
  4. 
    300

Q: 19554 The largest part of the human brain is ___________?

  1. 
    Medulla oblongata
  2. 
    Cerebellum
  3. 
    Cerebrum
  4. 
    None of these

Q: 19555 What is the main component of bones and teeth?

  1. 
    Calcium carbonate
  2. 
    Calcium phosphate
  3. 
    Calcium sulphate
  4. 
    Calcium nitrate

Q: 19556 Who withdraw from US upcoming General election ?

  1. 
    Donald Trump
  2. 
    Joe Biden
  3. 
    Kamala harris
  4. 
    Barack Obama

Q: 19557 The main constituent of hemoglobin is___________?

  1. 
    Chlorine
  2. 
    Iron
  3. 
    Calcium
  4. 
    None of these

Q: 19558 The main function of the kidney is ____________?

  1. 
    To control blood pressure
  2. 
    To control body temperature
  3. 
    To remove waste product from the body
  4. 
    To help in digestion of food

Q: 19559 The function of hemoglobin is____________?

  1. 
    Transportation of oxygen
  2. 
    Destruction of bacteria
  3. 
    Prevention of anemia
  4. 
    Utilization of energy

Q: 19560 Which of the following glands secrete tears?

  1. 
    Lachrymal
  2. 
    Pituitary
  3. 
    Thyroid
  4. 
    Pancreas