CBSE BoardEnglish MediumSTD 12 ScienceBiologySTD 12 - 12. ecosystem1 Mark
MCQ
Which of the following is a primary consumerin maize field ecosystem ?
✓
Grasshopper
B
Wolf
C
Phytoplankton
D
Lion
✓
Answer
Correct option: A.
Grasshopper
a (a) : Primary consumers are herbivorous organisms that feed on producers. Carnivores are termed secondary, tertiary etc., consumers depending upon their position in food chain. In food chain on land, grasshopper is a herbivore (primary consumer) while wolf and lion are carnivores. Phytoplanktons are producers in aquatic food chains.
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