Which one of the following is the appropriate reason for considering the Gondwana rocks as the most important of the rock systems of India? 

With reference to the river Luni, which one of the following statements is correct? 

Which one of the following pairs is not correctly matched?

Dam/Lake : River

Consider the following statements
1. The Taxus tree is naturally found in the Himalayas. 
2. The Taxus tree is listed in the Red Data Book. 
3. A drug called 'taxol' is obtained from the Taxus tree is effective against Parkinson's disease. 
Which of the statements given above is/are correct? 

If there were no Himalayan ranges, what would have been the most likely geographical impact on India? 
1. Much of the country would experience the cold waves from Siberia. 
2. Indo- Gangetic plain would be devoid of such extensive alluvial soils. 
3. The pattern of the monsoon would be different from what it is at present. 
Which of the statements given above is/are correct?

The latitudes that pass through Sikkim also pass-through?

Consider the following statements
1. The boundaries of a National Park are defined by legislation. 
2. A Biosphere Reserve is declared to conserve a few specific species of flora and fauna. 
3. In a Wildlife Sanctuary, limited biotic interference is permitted. 
Which of the statements given above is/are correct?

With reference to soil conservation, consider the following practices:

1. Crop rotation

2. Sand fences 

3. Terracing

4. Windbreaks 

Which of the above are considered appropriate methods for soil conservation in India?

Between India and East Asia, the navigation time and distance can be greatly reduced by which of the following? 
1. Deepening the Malacca straits between Malaysia and Indonesia. 
2. Opening a new canal across the Kra Isthmus between the Gulf of Siam and the Andaman Sea. 
Which of the statements given above is/are correct?