General Science - Online Test

Q1. The greenhouse effect is thought to be the cause of:
Answer : Option B
Explaination / Solution:

The greenhouse effect increases the global temperature

Q2. Which one of the following combines with Fe2+ion to form a brown complex?
Answer : Option B
Explaination / Solution:

[Fe(H2O)5NO]2+is brown color complex.


Q3. The diagrammatic representation of two variables is called _________
Answer : Option A
Explaination / Solution:

A scatter diagram is a graph in which the values of two variables are plotted along the 2 axis.

Q4. To reduce the poverty in rural areas various steps have been taken one of them is
Answer : Option A
Explaination / Solution:

The nine important measures which should be taken to reduce poverty in India are as follows: 1. Accelerating Economic Growth 2. Agricultural Growth and Poverty Alleviation 3. Speedy Development of Infrastructure 4. Accelerating Human Resource Development 5. Growth of Non-Farm Employment 6. Access to Assets 7. Access to Credit 8. Public Distribution System (PDS) 9. Direct Attack on Poverty: Special Employment Schemes for the Poor.

Q5. The megasporangium of naked seed plants are called
Answer : Option B
Explaination / Solution:

The cones bearing megasporophylls with ovules or megasporangia are called macrosporangiate or female strobili.

Q6. The process of movement of few ions or molecules across the membrane against concentration gradient from higher to lower concentration, it is called
Answer : Option A
Explaination / Solution:

The solutes may move across the membrane by the process of simple diffusion along the concentration gradient, i.e., from higher concentration to the lower.

Q7. Which of the following is the difference between primary and secondary data?
Answer : Option D
Explaination / Solution:

Since primary data is collected by the investigator according to his/her objectives, the data is more reliable than secondary data.

Q8. Using land for the production of wheat implies foregoing the opportunities of using it for the production of rice It is an example of which cost ?
Answer : Option C
Explaination / Solution:

Opportunity cost refers to cost of next best alternative forgone . Example- Using land for the production of wheat implies foregoing the opportunities of using it for the production of rice.

Q9. Why are UGA, UAG and UAA called termination codons?
Answer : Option D
Explaination / Solution:

The three codons, UAA known as ochre, UAG as amber and UGA as opal, that do not code for an amino acid but act as signals for the termination of protein synthesis. So they also Known bas termination codon. They are not represented by any tRNA and termination is catalysed by protein release factors.

Q10. An inductor with L = 9.50 mH is connected across an ac source that has voltage amplitude 45.0 V. Frequency of the source that results in a current amplitude of 3.90 A is
Answer : Option B
Explaination / Solution:


Frequency of the source