Sargasso sea is located in ________ 

Which of the following is a tropical ocean current?

The 'Water table' refers to ________

Two main cold currents in the North Pacific Ocean are known as

With reference to a fresh water lake, consider the following characteristics:
1. Richness in nutrients
2. Rapid turnover of phytoplankton
3. Depletion of dissolved oxygen
Which of the above is/are observed in a lake after its eutrophication?

With reference to Ocean currents consider the following statements:
1. West Australian current is a warm current.
2. North East Monsoon Drift flows in the Indian Ocean during winter season.
3. Equatorial counter current does not flow in the Indian Ocean during winter season.
4. Kuroshic current in the Pacific Ocean is like Gulf Stream in the Atlantic Ocean.

Choose the correct option with the correct sequence of the layers of atmosphere

Which of the following is especially true of anticyclones in the southern hemisphere?

Countries favourably influenced by Westerlies are ________ 

Which of the following is/are characteristic of a depression in the southern hemisphere?
I. It is a mass of air whose isobars form an oval or circular shape
II. Pressure is high in the centre and decreases towards the outside
III. Air moves anti-clockwise