Question

Streaming of protoplasm of de Vries was supported by

• A. Munch
• B. Curtis
• C. Mason
• D. Markel

Answer 1

Answer: (B)

Curtis

The cytoplasmic or protoplasmic streaming hypothesis to explain translocation of sugars in plants was given by De Vries, 1885 and Curtis, 1935. According to this theory, in a sieve tube element, organic solutes pass to all parts by cytoplasmic streaming, while they pass from one element to another through diffusion.

So, the correct answer is option B.