Science Technology Questions

21. Matti Makkonen is known as the father of what?

• A) Internet
• B) SMS
• C) Bluetooth
• D) Wi-Fi

22. Chemically, what is baking soda?

• A) Calcium carbonate
• B) Potassium chloride
• C) Sodium bicarbonate
• D) Magnesium sulfate

23. What causes goitre?

• A) Iron deficiency
• B) Iodine deficiency
• C) Vitamin D deficiency
• D) Calcium deficiency

24. Which part of the cinchona plant is used to treat malaria?

• A) Flowers
• B) Roots
• C) Bark
• D) Leaves

25. What are the first four planets nearest to the Sun called?

• A) Terrestrial Planets
• B) Rocky Giants
• C) Inner Giants
• D) Solid Planets

26. What is the approximate percentage of nitrogen in urea?

• A) 20% nitrogen
• B) 46% nitrogen
• C) 60% nitrogen
• D) 75% nitrogen

27. Which gas is used for filling balloons?

• A) Hydrogen
• B) Nitrogen
• C) Helium
• D) Oxygen

28. Which gas is usually filled in electric bulbs?

• A) Helium
• B) Argon
• C) Neon
• D) Nitrogen

29. WiMAX is related to which field?

• A) Biotechnology
• B) Nanotechnology
• C) Communication Technology
• D) Robotics

30. What was the first hormone produced artificially by culturing bacteria?

• A) Insulin
• B) Estrogen
• C) Progesterone
• D) Cortisone