Objective Questions In Botany – General Science Materials For Competitive Examinations Part 7
251. Ganong’s photometer is used in the study of transpiration
252. Coconut is dispersed in nature by water
253. Pillar roots of Banyan help in the support of the branches
254. The organic compounds that contain nitrogen is protein
255. Which one of the following is a climax forest? Thorn forest
256. Red colour of riped tomato is due to chromatophore
257. Cultivation of trees and vegetables is Arboriculture
258. Jaya is variety of Cotton
259. Absorption of water by plants takes place when the sun shines
260. Which are the most important element necessary for plant growth? Oxygen, Iron, Phosphorus
261. Osmosis is synonymous with none of these
262. What is the first stable product of photosynthesis? sugar
263. The water absorbed by the plant moves through xylem tissues
264. Ganong’s photometer is used to measure the loss of water by plants
265. What does phloem tissue have? sieve elements
266. Piliferous layer of root is produced from epidermal cells
267. Endodermis is found as a single layer of cells forming the outermost layer of the stele
268. The fascicular cambium is present in the stem of sorghum
269. Dixon and jolly formulated their theory on the ascent of sap in plants based on union of water molecules
270. Find out the only plant among the four give below. Which is not a xerophyte? Euphorbia tirucally
271. Which do you find the largest number of Eucalyptus species? india
280.The electron transport chain is a group of molecules located in the
outer membrane of mitochondria
281. What is penicillium? fungus
282. Inside a seed, the plant remains in a/an dormant state
283. Plasmids are used as vectors in gene transfer. They are present in certain bacteria
284. Transgenic plants and animals can be produced through genetic engineering
285. Guttation is a process in plants by which excess of water is removed as water drops
286. Ability to fix atmospheric nitrogen is found in some blue green algae
287. Opposite decussate phyllotaxy is seen in Calotropis
288. The natural system of classification was postulated by Bentham and hooker
289. In plants, energy is produced during the process of photosynthesis
290. In which of the following the pollen grains are lilberated as clouds of yellow powder and also called “Sulphur shower”? Pinus
291. In Botany, the Latin names are used because in whole world there would be only on name for one plant
292. The flowers are variously coloured to attract insects
293. Agar-Agar is derived from Gelidium
294. The plant which is used as medicine for jaundice is phyllanthus
295. The most commonly used higher plant vector for gene transfer is Ti plasmid
296. Genetic material kof virus is/are DNA (or) RNA
297. Primary organs of photosynthesis are leaves
298. The abundance of blue-green algae in paddy fields results in saving on potash
299. Sessile leaves are seen in Calotropis
300. Angiosperms are spermatophytes
