Q. The tides whose height is 20 per cent more than normal tide are called -
1) Spring tides
2) Neap tides
3) Apogean and perigean tides
4) Daily and semi-diurnal tides
Q. The optical phenomenon that is responsible for the propagation of light signal through an optical fibre is -
1) Interference
2) Scattering
3) Total internal reflection
4) Refraction
Q. Which of the following statements about optical microscope is/ are correct?
1. Both the eyepiece and objective of a microscope are convex lenses.
2. The magnification of a microscope increases with increase in focal length of the objective.
3. The magnification of a microscope depends upon the length of the microscope tube.
4. The eyepiece of a microscope is a concave lens.
Select the correct answer using the code given below :
1) 1 and 3
2) 3 only
3) 3 and 4
4) 1, 2 and 4
Q. Which one of the following gemstones contains beryllium metal?
1) Topaz
2) Emerald
3) Ruby
4) Blue sapphire
Q. Lowering the atmospheric pressure on a liquid -
1) Increases the boiling point of the liquid
2) Lowers the boiling point of the liquid
3) Does not affect the boiling point of the liquid
4) Increases the time required for it to boil
Q. The number of angular and radial nodes for 4d orbital is respectively -
1) 2 and 1
2) 1 and 2
3) 3 and 1
4) 4 and 0
Q. Which one of the following statements about proteins in mammalian cells is correct?
1) Proteins in mammalian cells are synthesized in cell membrane
2) Proteins in mammalian cells are not synthesized in cell membrane but directly absorbed from food
3) Proteins in mammalian cells are synthesized in rough endoplasmic reticulum
4) Proteins in mammalian cells are synthesized in Golgi apparatus
Q. Which one of the following statements about transport mechanism in plants is correct?
1) Diffusion of ions and small molecules across cell membrane requires energy.
2) Active transport of ions and small molecules across cell membrane against concentration gradient requires energy.
3) Cells conserve energy and no energy is required for transport of ions and small molecules against concentration gradient.
4) Cells do not transport ions across their membrane as these are charged molecules.
Q. If the amplitude of oscillation of a simple pendulum is very small, then its time period of oscillation -
1. depends one the length of the pendulum, L
2. depends on the acceleration due to gravity, g
3. depends upon the mass of the bob of the pendulum, m
4. does not depend upon the amplitude of the pendulum, A
Select the correct answer using the code given below.
1) 1, 2 and 3
2) 1, 2 and 4
3) 2, 3 and 4
4) 1 and 4 only
Q. The term LASER stands for -
1) Light Amplification by Stimulated Emission of Radiation
2) Light Amplification by Spontaneous Emission of Radiation
3) Light Amplification by Stimulated Emission of Rays
4) Light Amplification by Stimulated Energy of Radiation
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