General Science - Online Test
Q1. Covalent bond can undergo fission in two different ways. The correct representation involving a heterolytic fission of is
Answer : Option D
Explaination / Solution:
arrows are shown in the direction of movement of electrons.
Q2. The formula of investment multiplier in terms of MPC is
Answer : Option D
Explaination / Solution:
No Explaination.
Q3. What is the value of GNP
Answer : Option D
Explaination / Solution:
Gross national product (GNP) is a broad measure of a nation's total economic activity.GNP is the value of all finished goods and services produced in a country in one year by its nationals.
Q4. The half life of a reaction is halved as the initial concentration of the reactant is doubled. The order of the reaction is
Answer : Option B
Explaination / Solution:
For second order reaction half life is inversely related to concentration of reactant.
Q5. The width of a class interval in a frequency distribution (or bar chart) will be approximately equal to the range of the data divided by the ______________
Answer : Option C
Explaination / Solution:
For example, if the data is about marks of students in a 100 marks paper, and data is presented in the form of marks 0-10, 10-20, 20-30 etc. The range of the data will be 100-0=100. Number of class intervals are 10. Therefore, width of the class intervals will be 100/10=10.
Q6. Which activity involves assembling , storage, processing , transportation , grading and distribution of different agriculture commodities across the country
Answer : Option D
Explaination / Solution:
Agricultural marketing includes all those process between harvesting and final sale of the produce by the farmers.
Q7. A motorcycle stunt rider rides off the edge of a cliff. Just at the edge his velocity is horizontal, with magnitude 9.0 m/s. Find the magnitude of the motorcycle’s position vector after 0.50s it leaves the edge of the cliff.
Answer : Option B
Explaination / Solution:
The motorcycle’s x- and y-coordinates at t=0.50 s are
x = vox t= =4.5 m
y= = -1.2m
The negative value of y shows that the motorcycle is below its starting point.
The motorcycle’s distance from the origin at t=0.50 s is r= =4.7 m
Q8. The size of population is comparatively very small in Pakistan just about ____ of China
Answer : Option D
Explaination / Solution:
The current population of Pakistan is 197,098,396 , based on the latest United Nations estimates. Pakistan population is equivalent to 2.62% of the total world population.Pakistan ranks number 6 in the list of countries (and dependencies) by population. China ranks number 1 in the countries.
Q9. A cell divides every minute. It will fill a 100 ml beaker in one hour. How much time would it take to fill 50 ml beaker.
Answer : Option B
Explaination / Solution:
If a cell divide every minute, the number of cells get doubled at the end of each minutes. If a 100 ml beaker is filled in one hour, it will take 59 minute to fill 50 ml beaker.
Q10. Enzymes are
Answer : Option B
Explaination / Solution:
Enzymes are biological catalyst, they catalize different chemical reactions in body.
