201. Azotobacter is used for - Rice , cotton , s.cane
202. Azospirillum bio fertilizer used for Sorghum
203. The cytoplasm and nucleus combinedly called - protoplasm
204. Cell theory was proposed by M.J. Schleden and Theodo Schwann
205. The term Lysosomes was first used by Dave in 1955
206. The main function of Golgi bodies are - packaging of food materials such as protein , lipids etc.
207. The function of ribosomes are - protein synthesis
208.The term mitochondria was given by - C Benda (1897)
209.The simple microscope was invented by - Galileo (1610)
210.The shortest phase of all mitosis phase is - Anaphase
211.Meiotic division is also known as reducetional division
212.The term mitosis was coined by Fleming (1882)
213.Mitosis occurs in Somatic cells
214.Segregation occurs during meiosis
215.The longest mitotic phase is -Prophase
216.Absorption Spectrum of photosynthesis is blue and red
217.Action Spectrum of photosynthesis is red and blue
218.Dark reaction was discovered by Blackman
219.Dark reaction is also known as - Blackman reaction or C3 – cycle
220.The main site for dark reaction of photosynthesis is – stroma
221. The evaporation of water from plants is called - transpiration
222. Evaporation from soil and transpiration combined are called ET
223. C4 Plants proposed by Hatch and slack (1970)
224. The darkk reaction process of photosynthesis has been named variously - Calvin cycle or Blackman reaction
225. Light reaction is also known as Hill reaction
226. In photosynthesis , the solar energy converts into - Chemical energy 227. The OSMOSIS term was given by - Abble Nollet (1748)
228. The term “diffusion pressure deficit “ was introduced by - Meyer in 1938
229. The term Imbibition was coined by - Sachs
230. Imbibition Pressure is also known as - Matric Potential
231. Root pressure word was coined by- Stephan Hales
232. Father of Physiology - Stephan Hales
233. Soil les cultivation of plants is known as Hydroponics
234. Rate of transpiration is determined by - Potometer
235. The loss of sap (water) from the injured parts of plants is called - Bleeding
236. Approximately 90% of the world photosynthesis is carried out by - Marine and frsh water algae 237. Net production of ATP in Glycolysis is 2
238. Growth rate is measured by Auxanometer & Cresco graph
239. Photoperiodism term was coined by -TD Lysenko (1920)
240. Apical Bud dominance is caused by which hormone - Auxin
241. Which hormones is used as a herbicide=auxin
242. Which hormone is related to drought tolerance- absicic acid (ABA)
243. Dormancy break by which hormone - Cytokinis
244. Stress hardening in plants can be active by which hormone ABA
245. Fruit ripening hormone is - ethylene
246. The term auxin was used by - Frits went (Holland) 1905
247. Want’s auxin is now known as - Indole -3-acetic acid (IAA)
248. Which hormones are the Auxin - IAA, IBA, NAA , 2-4-D,2,4,5-T’ MCPA ,IPA TIBA etc
249. Shedding of plant parts is due to- ABA hormones
250. Cycocel (CCC) is a growth retardant
251. The most widely used auxin herbiceds are 2-4-D,2,4,5-T’ MCPA
252.Gibberellins were first discovered in japan
253.The hormones also known as - Photo hormones , growth hormones , growth substances
254.Main auxin is also known as -IAA
255.Root promoting hormones is IBA
256.The precursor of IAA is - Tryptophasne
257.Synthesis of IAA in plants requires Zinc
258. The term phytohormone for hormones of plants is suggested by - Thimann (1948)
259.The term genetic resources was coined by - Frankel
260.Mendel began his famous experiments on Pea in 1857
261.Mendel Paper entitled “Experiments in Plant Hybridization “ was presented in German Language in two papers in 1865 (feb 8 and march 8)
262.Mendel Paper published in the annual proceeding of society in 1866
263.The term “Genetics” was coined by - Bateson (1905)
264. The term gene , genotype and phenotype were used by - Johannsen in 1903
265. Germplasm theory was proposed by Weismann
266. Crossing over term was used first time by- Morgan and cttell in 1911
267. Operon model of gene regulation was discovered by - Jacob and Monad 1961
268. The term chromosome was coined by -Waldeyer in 1888
269. One gene one enzmes hypothesis was proposed by- Beadle and Tatum In 1941
270. First time gene was divided into cistron, muton and recon by Benzer (1955)
271. Sex chromosomes are also known as allosomes
272. Crossing over occurs in - Pachytene stage
273. The tendency of two or more genes to remain together in the same chromsome during inheritance is referred to as - Linkage
274. Chiasma type theory of crossing over was proposed by -Janssens
275. Genic balance system of sex determination was proposed by- bridge in 1922
276. Monogenic sex determination is found in - Asparagus , Papaya , maize , spinach etc.
277. The homozygous progeny of a self - pollinated homozygous plant is known as - Pure lines
278. The concept of purelines theory was developed by -Johannsen (1903), Danish biologist
279. Breeding method for self -pollinated crops are - Pure line selection , Mass Selection , Progeny selection, Bulk Method, Pedigree method , single seed descent method , Back cross Method
280. A multiline variety is a mixture of -Several pure lines
281. Bulk method was first used by- Nelson Ehle in 1908
282. The modification of bulk method is - Single seed descent
283. In pure line Theory ,Johannsen was working on- Princess variety of Rajma
284. Mass Pedigree Method was proposed by- Harrington in 1937
285. The oldest method of selection is - mass Selection
286. Progeny test was developed by -Louis de Vilmorin
287. Progeny Test is also known as - Vilmorin isolation principle
288. Single seed Descent method applied for the first time in oat in 1965 by – Graphius
289. The term recurrent selection was coined by -Hull in1945
290. The use of synthetic varieties for commercial cultivation was first suggested in maize by-Hayes and Garber , 1919
291. Synthetic varieties are maintained by-open Pollination
292. A synthetic variety can be developed from-Inbreeds, clones and open pollinated varieties .
293.The general or basic concept in the development of synthetic varieties is - Exploitation of hybrid vigour
294.The concept of disruptive mating and selection was developed by - Mather (1953) and Thody (1958)
295.The Concept of dialled selective mating system was originally develped by - jonsen in 1970
296.The hetrosis is also known as - Hybrid vigour
297.The term heterosis was first used by - Shull in 1914
298.Dominance theory was proposed by - Devenport in 1908
299.The cross between inbred line and open pollinated variety was done in - top cross method
300.The resistance of host to the particular race of a pathogen is known as - vertical resistance
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