Challenger App

No.1 PSC Learning App

1M+ Downloads

Which of the following statements about El-Nino are correct?

  1. It raises the temperature of seawater along the Peruvian coast by about 10°C.

  2. It enhances the number of planktons and fish in the eastern Pacific.

  3. It leads to irregular patterns in seawater evaporation.

A1 & 2

B1 & 3

C2 & 3

DAll are correct

Answer:

B. 1 & 3

Read Explanation:

  • Statement 1 is correct – El-Nino can increase sea temperatures by about 10°C.

  • Statement 3 is also correct – El-Nino causes irregular seawater evaporation patterns.

  • However, Statement 2 is incorrect – El-Nino reduces plankton and fish populations.


Related Questions:

Which of the following statements are correct?

  1. The low-pressure system during retreating monsoon shifts from Ganga Plain to Bay of Bengal.

  2. The cyclones that occur during this season never affect Myanmar.

  3. Rainfall from retreating monsoon is highest in Punjab and Haryana.

Choose the correct statement(s) about the 'breaks' in monsoon rainfall.

  1. 'Breaks' are rainless intervals during the monsoon season.
  2. 'Breaks' are primarily caused by the weakening of the southwest monsoon.
  3. 'Breaks' are related to cyclonic depressions in the Bay of Bengal.

    Which of the following statements are correct regarding Koeppen’s climatic classification?

    1. Koeppen's classification is based primarily on altitude and latitude.

    2. Koeppen’s classification is based on monthly temperature and precipitation values.

    3. The letter 'S' denotes a semi-arid climate, and 'W' denotes an arid climate in Koeppen’s system.

    വേനലിന്റെ അവസാനനാളുകളിൽ കേരളത്തിലും കർണാടക തീരത്തും സാധാരണയായിരൂപപ്പെടുന്ന മൺസൂണിന് മുന്നോടിയായുള്ള വേനൽമഴക്കാറ്റുകളാണ് :
    വ്ളാഡിമർ കെപ്പന്റെ കാലാവസ്ഥാവർഗീകരണമനുസരിച്ച് ഉഷ്‌ണമിതോഷ്‌ണ കാലാവസ്ഥ :