General Science - Online Test
Q1. Revenue Receipts
Answer : Option B
Explaination / Solution:
No Explaination.
Q2. Which diagram is used for finding the value of mode graphically?
Answer : Option B
Explaination / Solution:
The hight of the rectangles in the histogram is marked by the frequencies of the class interval as shown in the graph .Identify the highest rectangle. This corresponds to the modal class of the series.
Q3. Development of fruit without fertilization is called
Answer : Option D
Explaination / Solution:
Fruit formation without fertilisation results into seedless fruit. Parthenogenesis is development of new individual from unfertilised eggs. Parthenocarpy can be induced artificially using plant hormone auxin.
Q4. The value of ecosystem services of biodiversity is
Answer : Option D
Explaination / Solution:
The value of ecosystem services of biodiversity is difficult to determine as it includes services like cultural and spiritual value along with life saving services for all organisms.
Q5. Capital Receipts
Answer : Option D
Explaination / Solution:
No Explaination.
Q6. The most frequently occurring number in a set of values is called the ____.
Answer : Option D
Explaination / Solution:
The mode of a set of data values that appears most often or The most frequently occurring.
Q7.
Which of the following is the cause of rural unemployment
(i) Decline in size of land holdings
(ii) Excessive use of foreign technology
(iii) Backwardness of agriculture.
Answer : Option C
Explaination / Solution:
The major causes which have been responsible for the wide spread unemployment can be termed as Rapid Population Growth, Limited land, Seasonal Agriculture, Fragmentation of land, Backward Method of Agriculture, Decline of Cottage Industries, Defective education, Lack of transport and communication, Inadequate Employment Planning etc.
Q8. A pebble of mass 0.05 kg is thrown vertically upwards. Give the direction and magnitude of the net force on the pebble, if the pebble was thrown at an angle of 45° with the horizontal direction, Ignore air resistance
Answer : Option B
Explaination / Solution:
F = mg = 0.05 x 10 = 0.5 N. The horizontal component of the velocity remain constant.
Q9. Which of the following amines is most soluble in water?
Answer : Option C
Explaination / Solution:
Because of hydrogen bonding with water, ethylamine is highly soluble in water.
Q10. Postulates are
Answer : Option D
Explaination / Solution:
A postulate is an assumption, that is, a proposition or statement, that is assumed to be true without any proof. Postulates are the fundamental propositions used to prove other statements known as theorems. Once a theorem has been proven it is may be used in the proof of other theorems.
