341. The terms procariotique and eucariotique were proposed by___________?
A. Whittaker
B. Chatton
C. Haeckel
D. Margulis and Schwartz

342. Outside the thallus of Marchantia there are special structures called__________?
A. stem tuber
B. rhizoids
C. sporangium
D. none of these

343. The vascular plants are termed as____________?
A. tracheophytes
B. bryophytes
C. pteridophytes
D. all of these

344. Tobacco mosaic virus was crystallized by__________?
A. Pasteur
B. Chamberland
C. Stanely
D. Ivanowski

345. Flagella are composed of________?
A. micro tubules
B. micro filaments
C. intermediate filaments
D. glycoproteins

346. The life and activities of a cell is controlled by__________?
A. cytoplasm
B. nucleus
C. vacuole
D. mitochondria

347. Accumulation of lipid molecules in brain cells lead to____________?
A. paralysis
B. oedema
C. mental retardation
D. all of these

348. Accumulation of lipid molecules in brain cells lead to__________?
A. paralysis
B. oedema
C. mental retardation
D. all of these

349. The simplest amino acid is_________?
A. alanine
B. glycine
C. valine
D. phenylalanine

350. They are present in the underground parts of the plants and stored food?
A. leucoplast
B. chromoplast
C. chloroplast
D. stem