Soil having high content of aluminum and iron oxide is also known as ________.

• meadow soil

• pedalfer soil

• chernozen soil

• podzols soil

Which vitamin is obtained from Sun-rays?

• Vitamin A

• Vitamin C

• Vitamin K

• Vitamin D

Which among the following is a major cause of acid rain?

• Carbon dioxide

• Carbon monoxide

• Nitrogen dioxide

• Oxygen

Which of the following gas contributes the maximum to the phenomena of global warming?

• Methane

• Chlorofluorocarbon (CFC)

• Nitrogen dioxide

• Carbon dioxide

Which colour is formed when Red and Green are mixed?

• Light Blue

• Yellow

• White

• Grey

Which one of the following is an ore of Aluminium?

• Galena

• Cryollite

• Cinnabar

• Epsom Salt

Which of the following gas was released during Bhopal gas tragedy?

• Methyl isocyanate

• Sodium isothiocyanate

• Nitrogen isothiocyanate

• Potassium isothiocyanate

Match the following:

Scientist	Invention
1. Joseph Thomson	a. Optical Fiber
2. Alexander Fleming	b. Radium
3. Narinder Kapany	c. Electron
4.  Marie Curie	d. Penicillin

• 1 - c,   2 - d,   3 - a,   4 - b

• 1 - a,   2 - d,   3 - c,   4 - b

• 1 - c,   2 - a,   3 - d,   4 - b

• 1 - a,   2 - d,   3 - b,   4 - c

209.

What is nature of pH of Milk?

• Slightly Acidic

• Slightly Basic

• Highly Acidic

• Highly Basic

Which among the following is not an example of emulsion?

• Chocolate-Milk

• Butter

• Whipped Cream

• Curd