NextMockதேர்வுகளைத் தேடுங்கள், எ.கா. SSC CGL, UPPSC, Lekhpal
UPSC PYQPrelims 2021

Civil Services Examination · வினா 22

Consider the following kinds of organisms: 1. Copepods 2. Cyanobacteria 3. Diatoms 4. Foraminifera Which of the above are primary producers in the food chains of oceans?

  1. 1 and 2
  2. 2 and 3
  3. 3 and 4
  4. 1 and 4
விடையைக் காட்டு & விளக்கம்

விடை: (B) 2 and 3

விளக்கம்

Cyanobacteria and diatoms photosynthesise. Copepods are zooplankton, and foraminifera are mostly heterotrophic protists.