A student came from U.P. to Rajasthan to study on Riccia discolor a species of Riccia found in dry habitat. When dry season becomes staft the observed, a mass of multicellular structure formed, due to fast division of apical cell of the apex of every branch, in which food materials stored and develop a thick protective layer around it after degeneration of marginal cell. This perennating body called as

Question

A. Rhizoids

B. Tuber

C. Rhizom

D. Persistente apices

Answer : Tuber

Releted Question 1

Which of the following pairs is of unicellular algae?

A. Gelidium and Gracilaria

B. Anabaena and Volvox

C. Chlorella and Spirulina

D. Laminaria and Sargassum

Releted Question 2

A. Amylopectin and glycogen

B. Mannitol and algin

C. Laminarin and cellulose

D. Starch and cellulose

Releted Question 3

A. Uniflagellate gametes – Polysiphonia

B. Biflagellate zoospores – Brown algae

C. Unicellular organism – Chlorella

D. Gemma cups – Marchantia

Releted Question 4

A. Neurospora

B. Alternaria

C. Saccharomyces

D. Agaricus