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Q1. Traveling wave theory explains the origin of which of the following?
- Aocean wave
- Bhurricane
- Ctide
- Dsubsea earthquake
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Answer: C) tide
Q2. Who has propounded the progressive wave theory regarding the origin of tides?
- AG.B.Airy
- BWilliam Wavell
- CLaplace
- DDavis
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Answer: B) William Wavell
Q3. Due to whose gravity does tides occur?
- AEarth on the Moon
- BEarth's orbit on the Sun
- CSun and Moon on Earth
- DMoon's orbit on Earth
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Answer: C) Sun and Moon on Earth
Q4. What are the unusually high and low tides called that occur on the new moon or full moon, when the Sun, Moon and Earth are nearly aligned?
- Aspring
- BAvapati Jowar (Fall)
- Csmall fever (nip)
- Ddiurnal fever
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Answer: A) spring
Q5. The time difference between daily high and low tides is-
- A12 hours 16 minutes
- B12 hours 26 minutes
- C24 hours 32 minutes
- D24 hours 52 minutes
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Answer: D) 24 hours 52 minutes
Q6. After how much time do semi-daily tides usually occur?
- A12 hours 16 minutes
- B12 hours 26 minutes
- C24 hours 52 minutes
- D24 hours 26 minutes
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Answer: B) 12 hours 26 minutes
Q7. When the Sun and the Moon reach closest to the Earth and attain a direct position, what is the tide that occurs in such a situation called?
- Alarge fever
- Bhighest tide
- Cequatorial tide
- Dperigean tide
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Answer: A) large fever
Q8. What causes tides in the oceans and seas? 1. The Sun's gravitational force 2. The Moon's gravitational force 3. The Earth's centrifugal force
- Aonly 1
- B2 and 3 only
- C1 and 3 only
- D1, 2 and 3
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Answer: D) 1, 2 and 3
Q9. Assertion (A): Small fever occurs on the seventh and eighth day of the bright fortnight and dark fortnight of every month at any place. Reason (R): On this day the Sun and Moon are at right angles.
- ABoth A and R are correct and R is the correct explanation of A.
- BBoth A and R are correct, but R is not the correct explanation of A
- CA is correct, but R is wrong
- DA is wrong, but R is correct
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Answer: A) Both A and R are correct and R is the correct explanation of A.
Q10. Assertion (A): The great tides occur on the new moon and full moon days of every month. Reason (R): On this day the Sun, Earth, and Moon are in a straight line.
- ABoth A and R are correct and R is the correct explanation of A.
- BBoth A and R are correct, but R is not the correct explanation of A
- CA is correct, but R is wrong
- DA is wrong, but R is correct
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Answer: A) Both A and R are correct and R is the correct explanation of A.
Q11. Which of the following statements is correct?
- AThere is an interval of 12 hours 52 minutes between two tides at any place.
- BMinor fever is 20 times more severe than common fever., low tide occurs
- CWhen the Sun, Moon, and Earth are aligned, a great tide occurs.
- Dall of the above
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Answer: D) all of the above
Q12. Where does the highest tide occur in the world?
- AGulf of Kutch
- BGulf of Khambhat
- CBay of Fundy
- DNorth Sea
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Answer: C) Bay of Fundy
Q13. Which of the following has a greater impact on the origin of high tides?
- ASun
- BEarth
- CMoon
- Dnone of these
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Answer: C) Moon