State PCS PYQPrelims 2019

UPPCS · પ્રશ્ન 55

What is true about an ecosystem?

  1. Primary consumers are least dependent upon producers
  2. Primary consumers out-number producers
  3. Producers are more than primary consumers
  4. Secondary consumers are the largest and most powerful
જવાબ બતાવો અને સમજૂતી

જવાબ: (C) Producers are more than primary consumers

સમજૂતી

In a typical ecosystem the pyramid of numbers is upright: producers outnumber primary consumers, which outnumber secondary consumers. Primary consumers depend entirely on producers.