Which one among the following is the major reason for low agricultural productivity in dry regions of India?

Arrange the following tropical forest groups in the correct order of sequence based on area covered in India beginning from the largest covered area

1. Moist deciduous
2. Dry deciduous
3. Wet evergreen
4. Semi-evergreen

Select the correct answer using the code given below :

Which one among the following agricultural crops/groups of crops may be grown in abundant in lowlands and river deltas of fertile alluvial soil where there is high summer temperature and rainfall varies from 180 cm to 250 cm?

Consider the following coal mines of India

1. Bokaro
2. Adilabad
3. Ranigunj
4. Bishrampur

Select the correct sequence of the above from east to west

For a steel boat floating on a lake, the weight of the water displaced by the boat is

The graph given above indicates change in temperature (θ) when heat (Q) was given to a substance. Which among the following parts of the graph correctly depict the latent heat of the substance?