Fri. Jan 10th, 2025

Class VII NCERT MCQs

  1. An artificial enclosure for keeping small house plants is known as

    Options:
    1. Aquarium
    2. Garden
    3. Terrarium
    4. None of these

    Option: C

  2. The process by which water continually changes its form and circulates between oceans, atmosphere and land is known as

    Options:
    1. Water Cycle
    2. Ocean currents
    3. Evaporation
    4. Tides

    Option: A

  3. Which one of the followings is not a source of fresh water

    Options:
    1. Rivers
    2. Ponds
    3. Glaciers
    4. Ocean bodies

    Option: D

  4. Salinity is

    Options:
    1. The amount of salt in grams present in 1000 grams of water
    2. The amount of salt in grams present in 100 grams of water
    3. The amount of salt in grams present in 10000 grams of water
    4. None of these

    Option: A

  5. The average salinity of the oceans is

    Options:
    1. 45 parts per thousand
    2. 30 parts per thousand
    3. 35 parts per thousand
    4. 25 parts per thousand

    Option: B

  6. The salinity of the Dead Sea is

    Options:
    1. 340 grams
    2. 420 grams
    3. 238 grams
    4. 540 grams

    Option: A

  7. What portion of the earth surface is covered with water

    Options:
    1. Three-fourth
    2. Two-third
    3. One-fourth
    4. One-third

    Option: A

  8. World Water Day is celebrated on

    Options:
    1. Jun-05
    2. Apr-22
    3. Jul-12
    4. Mar-22

    Option: D

  9. The rises and falls of the water on the surface of the ocean due to wind is called as

    Options:
    1. Tides
    2. Currents
    3. Waves
    4. None of these

    Option: C

  10. The rhythmic rise and fall of ocean water twice in a day is called

    Options:
    1. Waves
    2. Tides
    3. Currents
    4. None of these

    Option: B

  11. Which of the following causes is not responsible for tsunami

    Options:
    1. An earthquake on the oceanic floor
    2. A volcanic eruption in the ocean
    3. A volcanic eruption on the land
    4. Underwater landslides

    Option: C

  12. Tsunami is a Japanese word that means

    Options:
    1. Short Waves
    2. Harbour Waves
    3. Large Waves
    4. Tides

    Option: B

  13. The tide that occurs when the sun, the moon and the earth are in the same line is known as

    Options:
    1. Spring tides
    2. Neap tide
    3. Low tide
    4. None of these

    Option: A

  14. High tides help

    Options:
    1. in navigation
    2. the ships to arrive at the harbour more easily
    3. in fishing
    4. All of the above

    Option: D

  15. The streams of water flowing constantly on the ocean surface in definite directions is called

    Options:
    1. Waves
    2. Tides
    3. Currents
    4. None of these

    Option: C

  16. Generally, the warm ocean currents originate near

    Options:
    1. Tropic of Cancer
    2. Poles
    3. Equator
    4. Arctic circle

    Option: C

  17. Which of the following statements about oceanic current is not correct

    Options:
    1. The Labrador Ocean current is cold current
    2. The Gulf Stream is a warm current
    3. The ocean current influence the temperature conditions of the area
    4. Generally, the warm ocean currents originate near the poles

    Option: D

  18. Which of the following forests is known as the lungs of the earth

    Options:
    1. Tropical Deciduous Forests
    2. Tropical Evergreen Forests
    3. Temperate Evergreen Forests
    4. Coniferous Forests

    Option: B

  19. One of the world’s largest snakes Anaconda, is found in

    Options:
    1. Temperate Evergreen Forests
    2. Tropical grasslands
    3. Tropical rainforests
    4. Temperate grasslands

    Option: C

  20. Which of the following forests is known as tropical rainforests

    Options:
    1. Tropical Deciduous Forests
    2. Tropical Evergreen Forests
    3. Temperate Evergreen Forests
    4. Coniferous Forests

    Option: B