Heterocysts are found in certain

Akinetes and Heterocysts are found in

Akinetes and Heterocysts are found in

Heterocyst is found in

Electrons are found only in certain energy levels called

Heterocysts occur in

Heterocysts occur in

Heterocysts occur in

Heterocysts are present in bacteria/cyanobacteria.

Choose the correct atlternative: Heterocysts are present in bacteria/cyanobacteria.

Which of the following statements are true about heterocyst? 1. They are formed in blue - green algae. 2. Heterocysts are nitrogen - fixing cells. 3. Heterocyts are formed during nitrogen starvation . 4. Anabaena and Nostoc are examples of heterocyst forming bacteria.