IASbaba’s Daily Prelims Test [Day 30]

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 IASbaba’s Daily Prelims Test [Day 30]

Topics- Environment, India Year Book and Current Affairs 

1. Consider the following statements

1. It is world’s most problematic aquatic weed
2. It is also called Terror of Bengal

Above statements fits for?

1. Eichhornia
2. Azolla
3. Wolffia
4. Trapa

2. Consider the following statements

1. The Biological Oxygen Demand (BOD) is the measure of organic matter present in the water.
2. Greater the BOD, lesser is the polluting potential.
3. Microbes in sewage treatment plants increases the BOD of the effluent

Which of the above are NOT correct?

1. 1 and 2
2. 2 and 3
3. Only 3
4. Only 2

3. Match the following list of bioactive substances and their roles:

Bioactive Substance                                                                Role

1. Statin                                                                    i. Removal of oil stains
2. Cyclosporin A                                                     ii. Removal of clots from blood vessels
3. Streptokinase                                                     iii. Lowering of blood cholesterol
4. Lipase                                                                   iv. Immuno-suppressive agent

Choose the correct match:

1. 1-iii, 2-iv, 3-ii, 4-i
2. 1-ii, 2-iv, 3-iii, 4-i
3. 1-i, 2-ii, 3-iii, 4-iv
4. 1-iv, 2-iii, 3-ii, 4-i

4. Consider the following

1. Azotobacter
2. Pseudomonas
3. Nostoc
4. Anabaena
5. Thiobacillus

Which of the above is NOT a nitrogen fixing organism?

1. 2 and 5
2. 1, 2, and 5
3. 2, 4 and 5
4. 1, 3, 4 and 5

5. Methanogens are common in Wetlands and are responsible for marsh gas. Consider the following w.r.t it

1. They are also found in ruminants of animals but not in human
2. They play significant role in aerobic wastewater treatment
3. They produce oxygen, carbon dioxide, hydrogen sulphide and methane

Choose the correct options

1. 1, 2 and 3
2. 1 and 2
3. 2 and 3
4. None

6. Match the items in Column ‘A’ and Column ‘B’ and choose correct answer.

     Column A                                                           Column B

1. Lady bird                                                    (i)  Methano bacterium
2. Mycorrhiza                                                (ii) Trichoderma
3. Biological control                                     (iii) Aphids
4. Biogas                                                         (iv) Glomus

The correct answer is:

1. 1-ii, 2- iv, 3- iii, 4- i
2. 1-iii, 2- iv, 3- ii, 4- i
3. 1-iv, 2- i, 3- ii, 4- iii
4. 1-iii, 2- ii, 3- i, 4- iv

6. Use of certain chemicals and radiation to change the base sequence of genes of crop plant is termed as

1. Mutation breeding
2. Transgenic mechanism
3. Recombinant DNA technology
4. Gene Therapy

7. If your COW is producing average MILK as compared to the cow of other breed, the best method to increase its efficiency would be?

1. In-breeding
2. Out-breeding
3. Out-crossing
4. None

8. Which one of the following is not a fungal disease?

1. Rust of wheat
2. Smut of Bajra
3. Black rot of crucifers
4. Red rot of sugarcane

9. Consider the statements

1. Dinitrogen and dioxygen are main constituents of air but do not react at normal temperature
2. Nitrous oxide does not contribute to Green House Gases but excess of nitrogen dioxide can retard the rate of photosynthesis.

Select the WRONG statement/s

1. Only 1
2. Only 2
3. Both
4. None

10. Match the following

                Column 1                                                                          Column 2

1. Oxides of Sulphur                                                                  i. Global Warming
2. Nitrogen dioxide                                                                   ii. Damage to Kidney
3. Carbon Dioxide                                                                     iii. Blue Baby Syndrome
4. Nitrate in drinking water                                                    iv. Respiratory diseases
5. Lead                                                                                         v. Red haze in traffic

Select the correct code

1. 1-iv, 2-v, 3-i, 4-iii, 5-ii
2. 1-v, 2-iv, 3-i, 4-ii, 5-iii
3. 1-v, 2-ii, 3-i, 4-iv, 5-iii
4. 1-iii, 2-iv, 3-i, 4-v, 5-ii

11. Which of the following departments come under Ministry of Finance?

1. Disinvestment
2. Revenue
3. Expenditure
4. Consumer Affairs
5. Commerce

Select the correct code

1. 1, 2, 3 and 5
2. 2, 3, 4 and 5
3. 1, 2 and 3
4. 3, 4 and 5

12. Consider the following statements

1. Phillips curve is direct relation of unemployment and inflation.
2. It explains deflation and hyperinflation much better than stagflation

Which of the above is/are NOT correct?

1. Only 1
2. Only 2
3. Both
4. None

13. Consider the following statements

1. The highest population of Scheduled Tribes in India lives in Andhra Pradesh
2. There are more Scheduled Tribe’s in India than Scheduled Caste’s

Select the correct statement/s

1. Only 1
2. Only 2
3. Both
4. None

14. Heinz Award is given in the field of

1. Art
2. Environment
3. Public Policy
4. Mathematics
5. Technology

Select the correct code

1. 1, 2, 3, 4 and 5
2. 2, 3, 4 and 5
3. 1, 2, 3 and 5
4. 1, 2, 4 and 5

15. Consider the statements

1. West Bank is more close to Mediterranean Sea while Gaza Strip is far
2. Gaza strip is more close to Mediterranean Sea than Dead sea
3. West Bank is close to Dead Sea than Mediterranean Sea
4. Gaza Strip is close to Dead Sea than Mediterranean Sea

Identify the correct statement/s

1. 1 and 4
2. 2 and 3
3. 1 and 3
4. 2, 3 and 4

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