General Science - Online Test
Q1. Scientific study of diversity of organism and their evolutionary relationship is called
Answer : Option D
Explaination / Solution:
Systematics is the scientific study of diversity of organism and their evolutionary relationship. Systematics is also known as taxonomy. It includes identification, nomenclature and classification.
Q2. Tyloses are balloon-like ingrowths in vessels developing from
Answer : Option D
Explaination / Solution:
Tyloses are balloon like in ingrowths in vessels developing from parenchyma cells through the pits of vessel wall of xylem of secondary heartwood.
Q3. How many numbers of gibberellins are distributed in different organisms?
Answer : Option C
Explaination / Solution:
There are more than 100 gibberellins reported from widely different organisms such as fungi and higher plants. They are denoted as GA1, GA2, GA3 and so on.
Q4. In which unit, the concentration of solution remains independent of temperature
Answer : Option C
Explaination / Solution:
It is independent of volume hence independent of Temperature.
Q5.
Match the following. Options are as below
Answer : Option C
Explaination / Solution:
Intermediaries refers to people between the tiller and the state. they should be abolished as they bring stagnation in the Indian agricultural sector. The tenancy reforms laws provide the provisions for registration of tenants, or giving ownership rights to the former tenants to bring them directly under the state. Consolidation of land holdings refers to bringing together all plots of land into one block.
Q6. Which of the following may cause algal blooms in the aquatic system:
Answer : Option C
Explaination / Solution:
Algal bloom is rapid increase in population of algae is a water system. This is caused due to excess of nutrients like phosphorus and nitrogen in the water bodies.
Q7. Revenue expenditure is incurred on normal functioning of the govt. Administration. It is
Answer : Option D
Explaination / Solution:
No Explaination.
Q8. The mean of 11 numbers is 7. One of the numbers, 13, is deleted. What is the mean of the remaining 10 numbers?
Answer : Option C
Explaination / Solution:
Given Sum of all observations = 11x7=77
Correct Sum of all observations = 77-13 = 64
Correct total number of observations= 11-1= 10
Correct Mean = Correct Sum of all observations/ Correct total number of observations= 64/10 = 6.4
Q9. Which one of the following sectors is the largest employer in India?
Answer : Option C
Explaination / Solution:
The primary sector of the economy extracts or harvests products from the earth. The primary sector includes the production of raw material and basic foods. Activities associated with the primary sector include agriculture (both subsistence and commercial), mining, forestry, farming, grazing, hunting and gathering, fishing, and quarrying. The packaging and processing of the raw material associated with this sector is also considered to be part of this sector.
Q10. Two bodies of masses 10 kg and 20 kg respectively kept on a smooth, horizontal surface are tied to the ends of a light string. a horizontal force F = 600 N is applied to the 20 kg mass so as to pull it. What is the tension in the string?
Answer : Option D
Explaination / Solution:
Let,
T =tension in the string,
a= acceleration in the direction of force F.
m1=10 kg and m2= 20 kg
Therefore,common acceleration
Now the tension T in the string is
