Toggle navigation
Login / Register
Ask Questions
Study
Current Affairs
Previous Papers
Kerala PSC
IBPS
UPSC
RBI
TNPSC
MPSC
SSC
CBSE
United States
Model Tests
News
More
Answers
Coaching Centres
Careers
Downloads
Colleges
Kuwait News & Classifieds
Classic Jhumka Earrings Silver
INR 113.00
Free Shipping
Buy Now
Black Jhumka Earrings & Studs
INR 94.00
Free Shipping
Buy Now
Classic Jhumka Earrings Silver
INR 207.00
Free Shipping
Buy Now
Beautiful stud earing
INR 93.00
Free Shipping
Buy Now
Different Size Hoop and Stud Earrings Set
INR 243.00
Free Shipping
Buy Now
Golden Hoop Earing
INR 70.00
Free Shipping
Buy Now
×
Create account with Openguide
Sign Up
By clicking Sign Up, you agree that you have read and accepted the
Open Guide Online User Agreement.
Already have an account?
Log in
×
Login to OpenGuide
Login
Forgot password?
Reset it
New user?
Register
×
Reset your password
Reset Password
Registered user?
Log in
New user?
Register
Home
Questions & Answers
Science Question Answers
Graphene is frequently in news recently. What is its importance?
1. It is a two-dimensional material and has good electrical conductivity.
2. It is one of the thinnest but strongest materials tested so far.
3. It is entirely made of silicon and has high optical transparency.
4. It can be used as ‘conducting electrodes’ required for touch screens, LCDs and organic LEDs.
Which of the statements given above are correct?
1 and 2 only
3 and 4 only
1, 2 and 4 only
1, 2, 3 and 4
Previous Papers
Model Tests
Current Affairs
Question Answers
Related Question & Answers
What is the role of ultraviolet (UV) radiation in the water purification systems?
1. It inactivates/kills the harmful microorganism in water.
2. It removes all the undesirable odours from the water.
3. It quickens the sedimentation of solid particles, removes turbidity and improves the clarity of water.
Which of the statements given above is/are correct?
Consider the following kinds of organisms:
1. Bacteria
2. Fungi
3. Flowering Plants
Some species of which of the above kinds of organisms are employed as biopesticides?
EEG is used to study the function of :
The concept that all plants are made of cells was put forward by :
Dengue Fever is caused by ----
Related Practice Tests
Science Questions and Answers
AIPMT Solved Paper 2015
Science Quiz - Question & Answers Set - 102
Science Quiz - Question & Answers Set - 101
Science Quiz - Question & Answers Set - 100
Categories
Biology
Botony
Chemical Engineering
Chemical Technology
Chemistry
DNA
Physics
Psychology
Textile Technology
Vitamin
Zoology
Help & Support
About Us
Contact Us
Terms of Service