Equisetum is the living member of :

A. Sphenopsida

B. Psilopsida

C. Ptreopsida

D. Lycopsida

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An enzyme in gastric juice of many infant mammals that precipitates milk protein :

A. Rennin

B. Pepsinogen

C. Gastric

D. Renan

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Name the programmed cell death or cells suicide?

A. Apoptosis

B. Necrosis

C. Both ( a ) and ( b )

D. None of these

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In which cell organelle do photo and thermochemical reactions occur in different sites?

A. Ribosomes

B. Golgi apparatus

C. Chloroplast

D. Mitochondria

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