Objective Questions In Botany – General Science Materials For Competitive Examinations Part 9
351. one of the following is the simplest land plant Bryophytes
352. Bacteria generally multiply by binary fission
353. Agaar- agar is obtained from gelidium
354. Which of th following grows on wet bread? yeasts
355. Nitrogen fixation is done by blue-green algae
356. Which bacteria produce vinegar in sugar solution? acetobacter aceti
357. Penicillin was discovered by Alexander Fleming
358. Yeasts help in the production of alcohol
359. Many pulses are obtained from
plants of the family Fabaceae
360. Emasculation is removal of stamens
361. “Donann equilibrium”, a theory which explains the physiological phenomenon is called mineral absorption
362. Bacterial action changes dead leaves into humus
363. Which of the following is not a fruit? Potato
364. Litmus is obtained from an algae
365. ‘Gemma Cup’ is found in Marchantia
366. The plants which include underclass hepaticopsida are generally called as liver worts
367. Which of the following genera possesses long shoots and dwarf shoots? cycas
368. Each virus is made up of nucleic acid and protein
369. Water of coconut is degenerated liquid endosperm
370. A herbarium is a centre for the preservation of dried specimen of plants
371. Agar-agar is obtained from Geledium
372. Golgi bodies of plant cells are also called as Dictyosoms
373. The nucleic acids of virus must be Either DNA (or) RNA
374. Pollinia are found in one of the following families Apocyanacease
375. The system of binomial nomenclature was proposed by Linnaeous
377. Bacteria which convert atmospheric nitrogen into nitrates are denitrifying bacteria
378. Parallel venation is found in paddy
379. Hard fibres are generally got from tropical dicot plants
380. Cell membrane fo plant cells are also called as plasma membrane
381. First land inhabiting plants are Gymnosperms
382. The seed germination type found in pinus is hypogeal
383. The process by which plants lose water by liquid status is transpiration
384. The root in mangrove tree is respiratory
385. Mango is a drupe
386. Chlorosis is linked with chlorophyll
387. Paddy is a caryopsis
388. Plant viruses are named as phytophage
389. TMV stands for Tobacco mosaic virus
390. The bacterium found in the large intestine is E.com
391. The bacterium present in the root nodule of leguminous plant is Rhizobium
392. Anaerobic decomposition of protoin is called ammonification
393. The father of Genetics is Mendel
394. The genotypic ratio of monohybrid ratio is 1:2:1
395. The double helix model of DNA was proposed by Watson and crick
396. Common cold is viral disease
397. W.M. Stanley got Nobel Prize for virus
398. Apical dominance in higher plants is due to hormones
400. The pollen grains of flowers pollinated by insects are rough and sticky
