General Science - Online Test

Q1. To radiate signals with high efficiency, the antennas should have a size
Answer : Option A
Explaination / Solution:
No Explaination.


Q2. To separate mixtures into their components, and also to test the purity of ompounds, the popularly used technique is :
Answer : Option A
Explaination / Solution:

Chromatography is used.

Q3. At low level of income saving is negative.
Answer : Option A
Explaination / Solution:
No Explaination.


Q4. Following were the land tenure system prevailing during British colonial period
Answer : Option A
Explaination / Solution:

There was main land tenures in India on the eve of Indian independence ― landlord tenure or Zamindari System.

Q5. Which among the following is an example of first order reaction?
Answer : Option A
Explaination / Solution:

Decomposition of  is 1st order reaction.

Q6. Which of the following is not rule for constructing a line graph
Answer : Option A
Explaination / Solution:

An arithmetic line graph is also called time series graph. In this graph time (hour, day/date, week, month, year, etc.) is plotted along x-axis and the value of the variable (time series data) along y-axis. A line graph by joining these plotted points, thus, obtained is called arithmetic line graph (time series graph). It helps in understanding the trend, periodicity, etc. in a long term time series data.

Q7. Tuber crops, medicinal and aromatic plants, spices and plantation crops are examples of
Answer : Option B
Explaination / Solution:

Horticulture is the branch of agriculture that deals with the art, science, technology, and business of growing plants. It also is the study of plants. It includes the cultivation of medicinal plants, fruits, vegetables, seeds, herbs, sprouts, mushrooms, algae, flowers, seaweeds and non-food crops such as grass an ornamental trees and plants

Q8. The position of a particle is given by  Find the velocity and acceleration of the particle.
Answer : Option A
Explaination / Solution:

Position vector  

We know velocity is given by


So 

Acceleration is given by 


So, 


Q9. OECD stands for
Answer : Option B
Explaination / Solution:

The Organisation for Economic Co-operation and Development (OECD) is an intergovernmental economic organisation with 35 member countries, founded in 1960 to stimulate economic progress and world trade.It is a forum of countries describing themselves as committed to democracy and the market economy, providing a platform to compare policy experiences, seeking answers to common problems, identify good practices and coordinate domestic and international policies of its members.

Q10. The sexual reproduction involves fusion of special type of cells called gametes, produced by
Answer : Option D
Explaination / Solution:

Meiosis cell division is involved in gametes formation as gametes contain half the number of chromosomes that a normal cell diploid cell contains. Gametes fuse to produce diploid zygote .