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Ecosystem

AIPMT 2001MCQEasy📈 Topic in 38% papers+4−1
Ques. 1AIPMT 2001

Plant decomposers are:

  1. Protista and Animalia
  2. Animalia and Monera
  3. Monera and fungi
  4. Fungi and plants

Answer

(3) Monera and fungi

Solution

As per NCERT, decomposers break down complex organic matter into inorganic substances like carbon dioxide, water and nutrients.

∵ Fungi and bacteria (kingdom Monera) are the predominant decomposers; they secrete enzymes which degrade detritus into simpler substances.

∴ Plant decomposers are Monera and fungi.

Answer: (3)

Keep practising — Ecosystem

Ques. 2AIPMT 2000

Which is the reason for highest biomass in aquatic ecosystem?

  1. Benthonic and brown algae
  2. Nanoplankton, blue green algae, green algae
  3. Diatoms
  4. Sea grass and slime moulds

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