Everyday Science Mcqs

“Green House Effect” means:____________?

A. Pollution
B. Prevention of ultraviolet rays
C. Trapg of Solar energy due to atmospheric carbon dioxide
D. D. None

The greenhouse effect is the problem caused by increased quantities of gases such as carbon dioxide in the air. These gases trap the heat from the sun, and cause a gradual rise in the temperature of the Earth’s atmosphere.

Tropism mostly refers to as_______?A. Bird migration
B. Directional growth of a plant
C. Longevity of animal species
D. Behavioral pattern of human

 

A seed can germinate in the absence of__________?A. Oxygen
B. Light
C. Moisture
D. Temperature

 

Diamond is harder than Graphite because of___________?

A. Difference in crystalline Structure
B. Tetrahedral structure of diamond
C. Difference in layer of atoms
D. None of these
Submitted by: Malik Asghar Hussain

Which of these is a micronutrient of plants?A. Oxygen
B. Nitrogen
C. Boron
D. Carbon

Micronutrients are boron, chlorine, manganese, iron, zinc, copper, and molybdenum. A plant uses these nutrients to support its growth, life cycle, and biological functions. while Macronutrients include carbon, hydrogen, nitrogen, oxygen, phosphorous, potassium, calcium, sulfur, and magnesium.

 

Which planet is called “red planet”?A. Mars
B. Venus
C. Jupiter
D. Saturn

 

An example of rhizome is_________?A. Carrot
B. Tomato
C. Ginger
D. Garlic

 

Which metal is pure conductor of electricity?A. Copper
B. Gold
C. Silver
D. lead

 

A colloidal system in which a liquid is dispersed into a liquid is called_________?A. Percipitate
B. Gel
C. Emulsion
D. Sol

 

Which of the following organisms releases molecular oxygen into water?A. E.coli
B. Phytoplankton
C. Amoeba
D. Salmonella