(776) The expected number of RBCs in a single drop, or microliter, of blood is million in Men.
- A. 4.5 to 6.2 million
- B. 3.4 to 6.8 million
- C. 3.2 to 7.2 million
- D. 4.0 to 5.2 million
(777) Places where the temperature of air is below freezing point of the water, the precipitation will be in the form of ? Page 50 o
- A. Snow f 65
- B. Lightning
- C. Hailstorms
- D. Thunders
(778) Which Planet is known as Watery Planet?
- A. Earth
- B. Mars
- C. Jupiter
- D. Mercury
(779) Mercury, Venus, Earth and Mars are called ?
- A. Dwarf Planet
- B. Gaseous Planets
- C. Terrestrial Planets
- D. Both A & B
(780) The study of geographical areas, plants and animal distribution is called ?
- A. Cosmetolog y
- B. Chorology
- C. Osteology
- D. Mycology
(781) A chronometer meter measures ?
- A. Sound waves
- B. Time
- C. Color contrast
- D. Water waves
(782) Which of the following is used for hearing the sound of heart and lungs?
- A. Steroscope
- B. Stethoscop e
- C. Oscillator
- D. Oncolator
(783) Sound of frequency below 20 Hz is: ?
- A. Audiosonic
- B. Infrasonic
- C. Ultrasonic
- D. Supersonic
(784) Ultra Microscopic viruses are the main cause of ?
- A. Malaria
- B. Measles
- C. Mumps
- D. Cholera
(785) Most soluble in water is: ?
- A. Camphor
- B. Sulphur
- C. Common salt
- D. Sugar
(786) Milk contains water
- A. 70%
- B. 75%
- C. 87%
- D. 90%
(787) Sensory neurons carry message towards ?
- A. Muscle
- B. Muscles and Glands
- C. Sense and Organs
- D. Brain and Spinal Cord
(788) Which of these is NOT an example of a renewable energy source?
- A. Wind energy
- B. solar
- C. Coal
- D. Hydroelectri c power
(789) The lifespan of Red Blood Cells is days?
- A. 60
- B. 120
- C. 180
- D. 240
(790) Deficiency of Vitamin-D results in ?
- A. night blindness
- B. rickets
- C. scurvy
- D. hair fall
(791) Sound waves are waves.
- A. Transverse
- B. Electromag netic
- C. Longitudina l
- D. none of these
(792) At night, Plants intake and release ?
- A. Oxygen – Carbon dioxide
- B. Carbon dioxide – Oxygen
- C. Oxygen – Carbon monoxide
- D. Carbon monoxide – Oxygen
(793) Biosensor is used to measure?
- A. Blood glucose level
- B. The body pH value
- C. Amount of hemoglobin
- D. Salinity in Urine
(794) The Carbon Dioxide in the atmosphere, by volume, is ?
- A. 0.039%
- B. 3.9%
- C. 13%
- D. 30%
(795) The natural fats and oils are composed of ?
- A. Carbon, Hydrogen and Oxygen
- B. Carbon, Hydrogen and Nitrogen
- C. Carbon, Oxygen and Nitrogen
- D. Hydrogen, Oxygen and Nitrogen
(796) In night, when photosynthesis is stopped, plants ?
- A. take in Carbon Dioxide
- B. take in Oxygen
- C. give off Carbon Dioxide
- D. give off Oxygen
(797) Radioactive isotope of Uranium used in Nuclear Bomb is ?
- A.92 U 235
- B.92 U 234
- C. 92 U 233
- D. 92 U 238
(798) Study of life in outer space is known as ?
- A. Endobiology
- B. Exobiology
- C. Enterobiolo gy
- D. Neobiology
(799) Founder of modern astronomy was ?
- A. Archimedes
- B. William Gilbert
- C. Nicolas Copernicus
- D. Michael Faraday
(800) Orbital period of the planet Mercury around the sun is ?
- A. 88 days
- B. 365 days
- C. 2 years
- D. 98 days