Positively photoblastic seeds germinate only in presence of

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11.Organisms and Populations

medium

Positively photoblastic seeds germinate only in presence of

Soil

Air

Light

All of these

Solution

A number of seeds are sensitive to light. They are called photoblastic seeds. Positively photoblastic seeds germinate only in presence of light $e.g.,$ Viscum, Lacturca Rumex. Negatively photoblastic seeds do not germinate in presence of light, $e . g .$, onion, tomato

Standard 12

Biology