(251) The light of distant stars is affected by ?
- A. The earth’s atmosphere
- B. Interstellar dust
- C. both A and B
- D. None of these
(252) In human, Which body part develop first ?
- A. Heart
- B. Brain
- C. Lungs
- D. Kidneys
(253) Atom was a name given by ?
- A. Democritus
- B. Bohr
- C. Rutherford
- D. Archimedes
(254) Day and night are the results of ?
- A. Earth rotation around its axis
- B. Earth revolution
- C. Earth rotation accompanie d with its revolution.
- D. None of these
(255) Lock Jaw i.e. difficulty in opening the mouth, is a symptom of ?
- A. Chlorea
- B. Plague
- C. Diphtheira
- D. Tetanus
(256) Deficiency diseases are caused due to the deficiency of ?
- A. Proteins
- B. Vitamins
- C. Carbohydra tes
- D. Fats
(257) Who was the surgeon who pioneered antiseptic surgery in 1865? Page 17 o
- A. Edward fJe6n5ner
- B. Joseph Lister
- C. Henry William
- D. John Sleeman
(258) Mach number is used in connection with the speed of ?
- A. Ship
- B. Light
- C. Sound
- D. aircraft
(259) Blood is cleaned by ?
- A. Lungs
- B. Liver
- C. Heart
- D. Kidneys
(260) The Tree sends down roots from its branches to the soil is known as: ?
- A. Oak
- B. Pine
- C. Banyan
- D. Palm
(261) Carbon dioxide was discovered by ?
- A. Niels Bohr
- B. Amedeo Avogadro
- C. Joseph Black
- D. None of Above
(262) Inflammation of liver is caused by ?
- A. Cholera
- B. Hepatitis
- C. Typhoid
- D. Jaundice
(263) Human eye is how many Megapixels?
- A. 1080 MP
- B. 720 MP
- C. 576 MP
- D. 570 MP
(264) When sugar is added to water, its boiling point: ?
- A. Increase
- B. Decrease
- C. Remain unchanged
- D. None of the above
(265) The SI unit of charge is ?
- A. Ampere
- B. Coulomb
- C. Ohm
- D. Volt
(266) The average adult has a blood volume of about liters.
- A. 4
- B. 5
- C. 6
- D. 7
(267) Which from the following is true for “Sound”?
- A. Sound cannot travel through a vacuum
- B. Sound cannot travel through gases
- C. Sound cannot travel through liquids
- D. Sound cannot travel through solids
(268) The planet that moves round the Sun at the highest speed is ?
- A. Jupiter
- B. Venus
- C. Mars
- D. Mercury
(269) 1 light year = ?
- A. 9.5×106 km
- B. 9.5×109 km
- C. 9.5×1012 k m
- D. 9.5×1018 k m
(270) Carrot is good source of Vitamin ?
- A. Vitamin A
- B. Vitamin B
- C. Vitamin C
- D. Vitamin D
(271) The good sources of iodine are ?
- A. green leafy vegetables
- B. seeds
- C. fresh vegetables and fruits
- D. sea foods
(272) Acid rain is mainly caused by emissions of in the atmosphere?
- A. Sulfur Dioxide and Potassium Nitrate
- B. Sulfur and Charcoal
- C. Nitrogen Oxide and Potassium Nitrate
- D. Sulfur Dioxide and Nitrogen Oxide
(273) Max Planck received the noble prize in Physics in 1918 for his discovery of ?
- A. electron
- B. energy quanta
- C. photon
- D. positron
(274) Basic metals can be converted into gold by ?
- A. Heating
- B. Beating
- C. Artificial nuclear radioactivit y
- D. Chemical reaction
(275) What is the chance of diabetic baby born to parents both heterogeneous normal ? Page 18 o
- A. Zero f 65
- B. ¼
- C. ½
- D. ¾