(a) grass land
      (b) desert
      (c) forest
      (d) snow clad mountains
Ans: (a)
381. Scrub jungle Is characterised by
      (a) heavy rainfall
      (b) no rainfall
      (c) poor rainfall
      (d) none of the above
Ans: (c)
382. Plants growing in sunlight are called
      (a) sciophytes
      (b) hydrophytes
      (c) xerophytes
      (d) heliophytes
Ans: (d)
383. Plants growing in saline marsh habitats are called
      (a) Xerophytes
      (b) Aerophytes
      (c) Saprophytes
      (d) Halophytes
Ans: (d)
384. Which one of the ecosystems Is the largest in the world?
      (a) forests
      (b) rivers
      (c) deserts
      (d) oceans
Ans: (d)
385. Those small organisms which float on the surface of water are called
      (a) Necton
      (b) pH indicators
      (c) Plankton
      (d) Benthos
Ans: (c)
386. Organisms that live in the deep sea are mainly
      (a) Herbivores
      (b) Carnivores
      (c) Detritivores
      (d) None of the above
Ans: (c)
387. The mouth of a river opening into the sea is termed as
      (a) shore line
      (b) littoral zone
      (c) continental shelf
      (d) estuary
Ans: (d)
388. Adaptation for flying is termed as
      (a) aquatic
      (b) volant
      (c) fossorial
      (d) cursorial
Ans: (b)
389. The study of ecology with pyramids was invented by
      (a) Darwin
      (b) Elton
      (c) Odum
      (d) Joshua
Ans: (b)
390. An organism eating its own species is called
      (a) carnivore