(Single Best Answer) Question 21: Water hyacinth is generally perceived as a notorious aquatic weed, but it can be a useful plant. Which of the following statements is / are correct in this context ? 1. This plant contains certain substances which can be extracted and used as medicines, herbicides and pesticides. 2. This plant can be used to remove many heavy metals like Cadmium, Lead and Mercury from water bodies.
Select the correct answer using the codes given below:
A) 1 only B) 2 only C) Both 1 and 2 D) Neither 1 nor 2 Answer (Select an option above to get the answer):
A) Bandhavgarh National Park B) Kanha National Park C) Indravati National Park D) Seshachalam Biosphere Reserve Answer (Select an option above to get the answer):
A) Benzoic acid B) Citric acid C) Ethylene dichloride D) Sodium chloride Answer (Select an option above to get the answer):
(Single Best Answer) Question 24: Which one of the following is a Human Right as well as a Fundamental Right under the Constitution of India ?
A) Right to Information B) Right to Education C) Right to Work D) Right to Housing Answer (Select an option above to get the answer):
(Single Best Answer) Question 25: In India, which one of the following determines the principles that should govern the grants-in-aid to the States ?
A) Inter-State Council B) Ministry of Finance C) Finance Commission D) Planning Commission Answer (Select an option above to get the answer):
(Single Best Answer) Question 26: Which of the following contributes / contribute to the burst of monsoon in India ? 1. Intense heating of the north-west part of Indian sub-continent during summer 2. Steep pressure gradient between the Indian Ocean and the Indian landmass
Select the correct answer using the code given below:
A) 1 only B) 2 only C) Both 1 and 2 D) Neither 1 nor 2 Answer (Select an option above to get the answer):
Indiscriminate or improper disposal of which of the above causes / cause mercury pollution in the environment ?
A) 1 only B) 2 and 3 only C) 1 and 3 only D) 1, 2 and 3 Answer (Select an option above to get the answer):
(Single Best Answer) Question 30: Which of the following are the gases whose presence in high concentration in the lower strata of atmosphere, is chiefly responsible for causing the Greenhouse effect ? 1. Sulphur dioxide 2. Carbon dioxide 3. Chlorofluorocarbons 4. Nitrogen
Select the correct answer using the code given below:
A) 1 and 2 B) 2 and 3 C) 3 and 4 D) 2 and 4 Answer (Select an option above to get the answer):