(726) The average length of the kidney of a man is about?
- A. 7cm to 8cm
- B. 8cm to 10 cm
- C. 10cm to 13 cm
- D. 13cm to 16cm
(727) Which of the following is used in Pencils?
- A. Graphite
- B. Silicon
- C. Charcoal
- D. Phosphorou s
(728) What are Columns in Periodic table called?
- A. Period
- B. Group
- C. Verticals
- D. Perpendicul ars
(729) Tocopherol is the chemical name of which vitamin?
- A. vitamin C
- B. vitamin D
- C. vitamin A
- D. vitamin E
(730) What is the world’s warmest Sea?
- A. Red Sea
- B. Mediterran ean Sea
- C. Caspian Sea
- D. Arabian Sea
(731) The major component of honey is ?
- A. Glucose
- B. Surcose
- C. Maltose
- D. Fructose
(732) In blood, the percentage of water is ?
- A. 75%
- B. 85%
- C. 90%
- D. 95%
(733) The major part of natural gas, petroleum and coal consists of?
- A. Carbon
- B. Chlorine
- C. CFC
- D. Methane
(734) One gram of carbohydrates give energy of the amount?
- A. 2 K Calories
- B. 4.1 K Calories
- C. 6.3 K Calories
- D. 8.0 K Calories
(735) The alloy of aluminium used for making magnet is ?
- A. Duralumin
- B. Y-Alloy
- C. Alnico
- D. Aluminium bronze
(736) Which one of the following gases is readily soluble in water at room temperature?
- A. Chlorine
- B. Nitrogen
- C. Ammonia
- D. Carbon dioxide
(737) Air contains maximum amount of ?
- A. oxygen
- B. nitrogen
- C. hydrogen
- D. carbon dioxide
(738) At what temperature does silver melt?
- A. 275 °C
- B. 327 °C
- C.961.8 °C
- D. 100 °C
(739) Which lenses are used by people having short- sightedness?
- A. Convex
- B. Concave
- C. Concavo- convex
- D. Plain
(740) Which natural element has the highest melting point? Page 48 o
- A. Iron f 65
- B. Tungsten
- C. Copper
- D. Silver
(741) On which disease did Robert Koch work?
- A. Tuberculosi s
- B. Cholera
- C. Malaria
- D. Diabetes
(742) Very small time intervals are accurately measured by the ?
- A. Pabsars
- B. White dwarfs
- C. Atomic Clocks
- D. None of these
(743) The Reason for a Swimming Pool to appear Less Deep than the actual depth is ?
- A. Refraction
- B. Light scattering
- C. Reflection
- D. Interferenc e
(744) The carbon dioxide content in the air that we exhale is about?
- A. 4%
- B. 9%
- C. 15%
- D. 16%
(745) The ability of the Eye to see in the dark, is due to the production of a purple pigment known as ?
- A. Carotene
- B. Rhodopsin
- C. Iodopsin
- D. Retinene
(746) Silver fish is the name of ?
- A. Insect
- B. Fish
- C. Bird
- D. Mammal
(747) Who is considered the “father of psychoanalysis?
- A. Sigmund Frend
- B. Galileo
- C. Aristotle
- D. Fabrica
(748) The protein content in wheat is approximately?
- A. 8%
- B. 6%
- C. 13%
- D. 17%
(749) The chemical name of “Acid” (Tezaab) is ?
- A. Sulfuric acid
- B. Sodium chloride
- C. Citric Acid
- D. None of these
(750) Sunlight is made of colours?
- A. Seven colours
- B. Five colours
- C. Three colours
- D. Non of these