Consider the following trees : 1. Jackfruit (Artocarpus heterophyllus) 2. Mahua (Madhuca indica) 3. Teak (Tectona grandis) How many of the above are deciduous trees?

Ilmenite and rutile, abundantly available in certain coastal tracts of India, are rich sources of which one of the following?

Consider the following statements : Statement-1: Marsupials are not naturally found in India. Statement-2: Marsupials can thrive only in montane grasslands with no predators. Which one of the following is correct in respect of the above statements?

'Invasive Species Specialist Group' (that develops Global Invasive Species Database) belongs to which one of the following organizations?

Consider the following fauna: 1. Lion-tailed Macaque 2. Malabar Civet 3. Sambar Deer How many of the above are generally nocturnal or most active after sunset?

Which of the following organisms perform waggle dance for others of their kin to indicate the direction and the distance to a source of their food?

Consider the following statements: 1. Some mushrooms have medicinal properties. 2. Some mushrooms have psychoactive properties. 3. Some mushrooms have insecticidal properties. 4. Some mushrooms have bioluminescent properties. How many of the above statements are correct?