Q. Which of the following metals is NOT obtained by reduction using carbon?
1) Zinc
2) Copper
3) Sodium
4) Iron
Q. The repeated reflection that results in persistence of sound is called :
1) echo
2) rarefaction
3) reflection
4) reverberation
Q. Which of the following is necessary to maintain the number of individuals of species and to prevent their extinction?
1) Digestion
2) Circulation
3) Respiration
4) Reproduction
Q. The hardest natural substance is :
1) Iron
2) Diamond
3) Copper
4) Graphite
Q. Identify an example of a connective tissue in humans.
1) Cell
2) Muscles
3) Bone
4) Fibres
Q. What is the amount of work done when a body moves under a force of 1N at a distance of 1 metre in the direction of the force?
1) 100 Joules
2) 1 Joule
3) 0.01 Joules
4) 10 Joules
Q. In the Modern Periodic Table, a zig-zag line separates :
1) metals from metalloids
2) metals from non-metals
3) metals from halogens
4) non-metals from metalloids
Q. One horse power is :
1) 786 watts
2) 746 watts
3) 764 watts
4) 768 watts
Q. Elements A, B and C occur as Dobereiner\''s triads. If the atomic mass of A is 7 and that of C is 39, what will be the atomic mass of B?
1) 12
2) 20
3) 23
4) 40
Q. Which of the following serves as a nutritive tissue for the growing embryo?
1) Ovary
2) Zygote
3) Ovule
4) Endosperm
Interior design is a fun and creative field. It mixes art and practicality to make spaces look good and work well. With more people wanting great places to live and work, the need for skilled interior designers is rising. Let’s look at what it takes to have a career in interior design, including nee →
Foundation Date: December 8, 1991 Headquarters: The Republic of Belarus Executive Secretaries: Sergei Lebedev Member Countries: 12 Commonwealth of Independent States (CIS) was established on December 8, 1991, and the leaders of the Republic of Belarus, the Russian Federation, and Ukraine signed an a →
In 2009, an unknown programmer by the name of Satoshi Nakamoto put forward a whitepaper that proposed a creation of new form of digital currency - cryptocurrency. Cryptocurrency functions the same way as regular currencies do in that its used as a means of exchange, unit of account and a store of va →
Headquarter: New Delhi Function and Objective of the Organization: The Food Safety and Standards Authority of India (FSSAI)has been established under Food Safety and Standards Act, 2006 which consolidates various acts & orders that have hitherto handled food-related issues in various Ministries →
If you contribute your content to our site. Please mail us your content to editor@onlinegk.net