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| # | Question & Answer |
|---|---|
| 451 |
Which blood cells fight against infections?
-
White Blood Cells (Leukocytes)
|
| 452 |
What is the process of conversion of solid directly into gas?
-
Sublimation
|
| 453 |
Which gas is used in fire extinguishers?
-
Carbon dioxide
|
| 454 |
What is the unit of Electric Charge?
-
Coulomb
|
| 455 |
Which organ filters waste from the blood?
-
Kidney
|
| 456 |
What is the chemical name of Heavy Water?
-
Deuterium Oxide (D₂O)
|
| 457 |
Which vitamin deficiency causes Rickets?
-
Vitamin D
|
| 458 |
What is the freezing point of Water?
-
0°C
|
| 459 |
Which metal is used in Thermometers?
-
Mercury
|
| 460 |
Who is known as the Father of Modern Chemistry?
-
Antoine Lavoisier
|
| 461 |
What is the main constituent of Natural Gas?
-
Methane
|
| 462 |
Which instrument is used to measure the intensity of earthquakes?
-
Seismograph
|
| 463 |
What is the chemical formula of Ammonia?
-
NH₃
|
| 464 |
Which disease is caused by the deficiency of Vitamin B1?
-
Beriberi
|
| 465 |
What is the SI unit of Pressure?
-
Pascal
|
| 466 |
Which pigment gives green colour to plants?
-
Chlorophyll
|
| 467 |
What is the chemical name of Chalk?
-
Calcium Carbonate (CaCO₃)
|
| 468 |
Which gas is used in the welding of metals?
-
Acetylene
|
| 469 |
What is the full form of RNA?
-
Ribonucleic Acid
|
| 470 |
Which vitamin deficiency causes Scurvy?
-
Vitamin C
|
| 471 |
What is the scientific name of Peacock?
-
Pavo cristatus
|
| 472 |
Which hormone regulates blood sugar level?
-
Insulin
|
| 473 |
What is the structural and functional unit of the kidney?
-
Nephron
|
| 474 |
Which plant is known as the ‘Queen of Spices’?
-
Cardamom
|
| 475 |
What is the normal blood pressure of a healthy adult?
-
120/80 mmHg
|