Average salinity or ratio of salt as per kilogram of water of ocean is

  1. 35 grams
  2. 55 grams
  3. 32 grams
  4. 42 grams

An ice mass that covers less than fifty-thousand square kilometers of land area is classified as

  1. glacier erosions
  2. ice cap
  3. ice sheet
  4. ice field

The broad, green part of the leaf is called

  1. Vein
  2. Midrib 
  3. lamina or blade
  4. Petiole

Plants with weak stems that cannot stand upright and spread on the ground are called

  1. Creepers
  2. Climbers
  3. Wipers
  4. Stripers

The following is an example of Terrestrial Biome

  1. Tropical rain forest
  2. Rivers
  3. Streams
  4. All of the above