Which one of the following makes a tool with a stick to scrape insects from a hole in a tree or a log of wood?

Consider the following pairs: Country | Animal found in its natural habitat 1. Brazil | Indri 2. Indonesia | Elk 3. Madagascar | Bonobo How many of the pairs given above are correctly matched?

The vegetation of savannah consists of grassland with scattered small trees, but extensive areas have no trees. The forest development in such areas is generally kept in check by one or more or a combination of some conditions. Which of the following are such conditions? 1. Burrowing animals and termites 2. Fire 3. Grazing herbivores 4. Seasonal rainfall 5. Soil properties Select the correct answer using the code given below.

Consider the following pairs : Wildlife | Naturally found in 1. Blue-finned Mahseer | Cauvery River 2. Irrawaddy Dolphin | Chambal River 3. Rusty-spotted Cat | Eastern Ghats Which of the pairs given above are correctly matched?

With reference to agricultural soils, consider the following statements : 1. A high content of organic matter in soil drastically reduces its water holding capacity. 2. Soil does not play any role in the sulphur cycle. 3. Irrigation over a period of time can contribute to the salinization of some agricultural lands. Which of the statements given above is/are correct ?

In which of the following regions of India are you most likely to come across the 'Great Indian Hornbill' in its natural habitat?