Q229. The Government of India encourages the cultivation of ‘sea buckthorn’. What is the importance of this plant: 1. It helps in controlling soil erosion and in preventing desertification. 2. It is a rich source of biodiesel. 3. It has nutritional value and is well-adapted to live in cold areas of high altitudes. 4. Its timber is of great commercial value. Which of the statements given above is/are correct?

Consider the following statements: 1. Moringa (drumstick tree) is a leguminous evergreen tree. 2. The Tamarind tree is endemic to South Asia. 3. In India, most

Other than Jatropha curcas, why is Pongamia pinnata also considered a good option for the production of bio- diesel in India? 1. Pongamia pinnata grows naturall

With reference to Neem tree, consider the following statements: 1. Neem oil can be used as a pesticide to control the proliferation of some species of insects a

With reference to “Gucchi” sometimes mentioned in the news, consider the following statements: 1. It is a fungus. 2. It grows in some Himalayan forest areas. 3.

What is/are unique about ‘Kharai camel’, a breed found in India? 1. It is capable of swimming up to three kilometres in seawater. 2. It survives by grazing on m

What is the use of biochar in farming? 1. Biochar can be used as a part of the growing medium in vertical farming. 2. When biochar is a part of the growing medi

With reference to ‘palm oil’, consider the following statements: 1. The palm oil tree is native to Southeast Asia. 2. Palm oil is a raw material for some indust

Mycorrhizal biotechnology has been used in rehabilitating degraded sites because mycorrhiza enables the plants to 1. Resist drought and increase absorptive area

With reference to ‘Changpa’ community of India, consider the following statements : 1. They live mainly in the State of Uttarakhand 2. They rear the Pashmina go

Consider the following statements: 1. Maize can be used for the production of starch. 2. Oil extracted from maize can be a feedstock for biodiesel. 3. Alcoholic

It is possible to produce algae based biofuels, but what is/are the likely limitation(s) of developing countries in promoting this industry? 1. Production of al

What is/are the importance/ importances of the ‘United Nations Convention to Combat Desertification’? 1. It aims to promote effective action through innovative

If you travel through the Himalayas, you are likely to see which of the following plants are naturally growing there? 1. Oak 2. Rhododendron 3. Sandalwood Sele

With reference to India, consider the following statements: 1. Monazite is a source of rare earths. 2. Monazite contains thorium. 3. Monazite occurs naturally i

With reference to the current trends in the cultivation of sugarcane in India, consider the following statements: 1. A substantial saving in seed material is ma

Consider the following statements: 1. The Global Ocean Commission grants licences for seabed exploration and mining in international waters. 2. India has receiv

With reference to soil conservation, consider the following practices: 1. Crop rotation 2. Sand fences 3. Terracing 4. Wind breaks Which of the above are consi

Consider the following statement: India continues to be dependent on imports to meet the requirement of oilseeds in the country because: 1. Farmers prefer to gr

Why is there a concern about copper smelting plants? 1. They may release lethal quantities of carbon monoxide into the environment. 2. The copper slag

With reference to furnace oil, consider the following statements: 1. It is a product of oil refineries. 2. Some industries use it to generate power. 3

Magnetite particles, suspected to cause neurodegenerative problems, are generated as environmental pollutants from which of the following? 1. Brakes o

The ‘Common Carbon Metric’, supported by UNEP, has been developed for (a) Assessing the carbon footprint of building operations around the world (b) E

What is blue carbon? (a) Carbon captured by oceans and coastal ecosystems (b) Carbon sequestered in forest biomass and agricultural soils (c) Carbon c

Which of the following are the reasons/factors for exposure to benzene pollution? 1. Automobile exhaust 2. Tobacco smoke 3. Wood burning 4. Using varn

According to India’s National Policy on Biofuels, which of the following can be used as raw materials for the production of biofuels? 1. Cassava 2. Da

Which one of the following statements best describes the term ‘Social Cost of Carbon’? It is a measure, in monetary value, of the: (a) long-term damag