This quiz works best with JavaScript enabled. Home > Indian Geography > Climate > El Nino And Southern Oscillations – Quiz 1 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books El Nino And Southern Oscillations Quiz 1 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which best describes El Nino? A) The water in the Pacific Ocean gets warmer than normal and causes fewer hurricanes to form. B) The water in the Pacific Ocean gets colder than normal and causes more hurricanes to form. C) The water in the Pacific Ocean gets colder than normal, and the flow of the jet stream is disrupted. D) The water in the Pacific Ocean gets warmer than normal, and the flow of the jet stream is disrupted. Show Answer Correct Answer: D) The water in the Pacific Ocean gets warmer than normal, and the flow of the jet stream is disrupted. 2. Which one of the following pairs is not correctly matched? River City A) Gomti Lucknow. B) Saryu Ayodhya. C) Alaknanda Badrinath. D) Narmada Satna. Show Answer Correct Answer: D) Narmada Satna. 3. How could La Nina affect weather during the summer in Georgia? A) It could decrease wind. B) It could increase rainfall. C) It could decrease rainfall. D) It could increase temperatures. Show Answer Correct Answer: C) It could decrease rainfall. 4. El Nino is caused by A) Cold water off the Atlantic coast of South America. B) Warm water in the Pacific off the coast of South America. C) Warm water in the Pacific off the coast of Mexico. D) Cold water in the Pacific off the coast of Mexico. Show Answer Correct Answer: B) Warm water in the Pacific off the coast of South America. 5. The river Cauvery flows from: [UPCS 1994] A) Andhra Pradesh to Tamil Nadu. B) Karnataka to Maharashtra. C) Karnataka to Tamil Nadu. D) Kerala to Tamil Nadu. Show Answer Correct Answer: C) Karnataka to Tamil Nadu. 6. The change in normal patterns over the Pacific that start the El Nino event involve A) Stronger than normal trade winds from East to West. B) Weakened trade winds push less warm surface water to the West. C) Strengthened trade winds push more cold water Westward. D) Volcanic activity under water cause changes in the flow of cold water on the coast of South America. Show Answer Correct Answer: B) Weakened trade winds push less warm surface water to the West. 7. Which causes the subtropical jet stream to bring cold, wet winter weather to the southeastern United States? A) El Nino. B) La Nina. C) Coriolis effect. D) Santa Anna Winds. Show Answer Correct Answer: A) El Nino. 8. In an El Nino event in Australia the SOI is strongly ..... and the air pressure in Darwin is ..... that in Tahiti A) Positive, Higher. B) Negative, Higher. C) Positive, Lower. D) Negative, Lower. Show Answer Correct Answer: B) Negative, Higher. 9. Which of the following rivers flows through a rift valley? A) Cauvery. B) Narmada. C) Kosi. D) Godavari. Show Answer Correct Answer: B) Narmada. 10. The wind over the equator blows stronger than usual during ..... A) Neutral year. B) El Nino. C) La Nina. D) None of above. Show Answer Correct Answer: C) La Nina. 11. Sirkulasi angin yang ada di Samudera Pasifik di sebut sirkulasi ..... A) La Nina. B) Walker. C) Netral. D) El Nino. Show Answer Correct Answer: B) Walker. 12. Both El Nino and La Nina have this in common A) Influence birds that migrate over the ocean. B) Influence rainy / dry weather world wide. C) The weather at the polar regions. D) The directions that ships travel in the oceans. Show Answer Correct Answer: B) Influence rainy / dry weather world wide. 13. An SST anomaly is ..... A) A departure from average conditions in sea surface pressure. B) A departure from average conditions in sea surface temperature. C) The average of a decade of sea surface temperatures. D) The average of sea surface temperatures during an El Nino year. Show Answer Correct Answer: B) A departure from average conditions in sea surface temperature. 14. What kind of weather will the Western Pacific have during a La Nina year? A) Cooler ocean water and drought. B) Warmer ocean water and increased rain. C) Cooler ocean water and increased rain. D) Warmer ocean water and drought. Show Answer Correct Answer: B) Warmer ocean water and increased rain. 15. Which Indian state is known as 'Land of Five Rivers'? [Railways 1993] A) U.P. B) Punjab. C) Haryana. D) Jammu and Kashmir. Show Answer Correct Answer: B) Punjab. 16. Trade winds in the Pacific normally push A) East to West. B) West to East. C) North to South. D) South to North. Show Answer Correct Answer: A) East to West. 17. When La Nina and hurricanes pull cold water to the surface and bring nutrient rich sediments from the seafloor, this is called ..... A) Upwelling. B) Downwelling. C) El zapato. D) La Gloria. Show Answer Correct Answer: A) Upwelling. 18. The 'Chilka lake region' lies in between the deltas of: [NDA 2003] A) Ganga and Mahanadi. B) Godavari and Krishna. C) Mahanadi and Godavari. D) Krishna and Cauvery. Show Answer Correct Answer: C) Mahanadi and Godavari. 19. Which is an effect of La Nina on North Carolina's summer weather? A) Decreased winds. B) Decreased rainfall. C) Increased humidity. D) Increased temperature. Show Answer Correct Answer: B) Decreased rainfall. 20. The main river flowing in the state of Jammu and Kashmir is: A) Jhelum. B) Indus. C) Chenab. D) Nubra. Show Answer Correct Answer: A) Jhelum. 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