(551) Atom is made up of different kinds of subatomic particles:
- A. Three
- B. Two
- C. Four
- D. None
(552) The number of electrons of a neutral atom is automatically known if one knows the?
- A. Atomic number
- B. Atomic weight
- C. Number of orbitals
- D. none
(553) The approximate intensity level of the sound which can cause damage to the ear drum is?
- A. 20 dB
- B. 60 dB
- C. 100 dB
- D. 160 dB
(554) The blue colour of clear sky is due to ?
- A. Reflection of light
- B. Refraction of light
- C. Diffraction of light
- D. Dispersion of light
(555) Elements are made of ?
- A. Atoms
- B. Molecules
- C. H2O
- D. Compounds
(556) Which planet is much brighter in our solar system?
- A. Earth
- B. Venus
- C. Mercury
- D. Jupiter
(557) How many bones in our body?
- A. 102
- B. 306
- C. 206
- D. 204
(558) A Little inhalation is done through ?
- A. cigarettes
- B. pipes and cigars
- C. Both A and B offer little inhalation
- D. both offer extreme inhalation
(559) Which of the following cells are Colourless?
- A. Red blood cells
- B. White blood cells
- C. Monocytes
- D. platelets
(560) What does TCM stand for in medical terms?
- A. Techno Circuit Module
- B. Traditional Chinese medicine
- C. Tetra Carbon Mono oxide
- D. Tele Communica tion Manageme nt
(561) Insulin drug was discovered by ?
- A. Charles Herbert Best
- B. Prof John James Rickard Macleod
- C. Sir Frederick Grant Banting
- D. Leonard Thompson
(562) Antares is of the largest known ?
- A. Quasars Star
- B. Pulsars Star
- C. White Dwarfs Star
- D. Red Super- giants Star
(563) Water is a universal solvent for what reactions?
- A. Chemical
- B. Biochemical
- C. Physical
- D. Nuclear
(564) Rate of evaporation of petrol is greater than that of water at room temperature because:
- A. petrol molecules do not have any hydrogen bond
- B. petrol is an organic compound
- C. water molecules have small size
- D. petrol molecules have greater size
(565) “Each electron in an atom must have its own unique set of quantum numbers” is a statement of ?
- A. Aufbau principle
- B. Pauli exclusion principle
- C. Hund’s rule
- D. Periodic law
(566) Rainfall related to mountains is:
- A. Orographic rainfall
- B. Normal rainfall
- C. Monsoon rains
- D. Cyclonic rainfall
(567) The Stevenson screen contains all of these EXCEPT:
- A. Wet bulb thermomet er
- B. Maximum thermomet er
- C. Ordinary thermomet er
- D. Anemomet er
(568) “Rancidity produced in butter can be decreased by adding quinoline to the butter”. This statements shows that ?
- A. Nothing is impossible
- B. Quinoline is an inhibitor
- C. Quinoline is a catalyst
- D. Quinoline is an activator
(569) what kind of soil is treated with gypsum to make it suitable for cropping ?
- A. Alkaline
- B. Acidic
- C. Waterlogge d
- D. Soil with excessive clay content
(570) The Virus of AIDS affects the growth of ?
- A. Hemoglobin
- B. RBCs in blood
- C. T cells in blood
- D. Grey Cells in blood
(571) Which one is the world’s largest mangrove forest(s)?
- A. Changa Manga Forest
- B. Amazon Forest
- C. Sundarbans Forest
- D. None of the above
(572) The protein content of edible portion of egg is ?
- A. 13 %
- B. 13.3%
- C. 14 %
- D. 14.5%
(573) Hydrogen peroxide (H2O2) ?
- A. helps line up cell proteins
- B. is poisonous to tissues
- C. is often needed as a catalyst
- D. aids in oxidation of glucose
(574) An extremely small piece of silicon on which integrated circuits are implicated is called ?
- A. Card Reader
- B. Hollerith Code
- C. Feed
- D. Chip
(575) The atmospheric greenhouse effect is produced mainly by the ?
- A. Absorption and re- emission of visible light by the atmosphere
- B. Absorption and re- emission of ultraviolet radiation by the atmosphere
- C. Absorption and re- emission of infrared radiation by the atmosphere
- D. Absorption and re- emission of visible light by clouds