horticulture Mcqs
201. A propagation technique in which instead of wrapping the notched portion is burried in the ground is called________________?
comments icon0

A. Layering

B. Air layering

C. Ground layering

D. Ghooti

202. How much of the earth surface is covered with water ___________________?
comments icon0
A. 70%

B. 80%

C. 40%

D. 65%

203. A pruning management done to develop a tree framework strong cough to bear large number of fruits without breaking of branches is known as_________________?
comments icon0

A. Training

B. All the above

C. Thinning

D. Punning

204. What type of pollination is observed in cauliflower__________________?
comments icon0

A. Partial self fertilization

B. Self fertilization

C. Self pollination

D. Cross pollination
205. A branch of horticulture dealing with the production and marketing of vegetable is called__________________?
comments icon0
A. Olericulture

B. Viticulture

C. Pomology

D. Sericulture

206. Sericulture deals with__________________?
comments icon0

A. Fisheries

B. Forest trees

C. Honey bees

D. Silk worm
207. In spinach cross pollination takes place by___________________?
comments icon0

A. Hybridization

B. Water

C. Birds

D. Wind
208. Optimum temperature, minimum temperature and maximum temperature are collectively called_________________?
comments icon0

A. All the above

B. Absolute temperature

C. Various temperature

D. Cardinal temperature
209. Poncirus sweet orange is the hybrid cross of __________________?
comments icon0

A. Limequats

B. All the above

C. Tangelos

D. Citranges
210. Splice grafting is most successful in___________________?
comments icon0

A. Mango

B. Apple

C. Both a & b

D. None of the above

211. Photophosphorylation is process of generating_____________________?
comments icon0

A. CTP

B. KTP

C. UTP

D. ATP
212. In apple wool aphid is genetically controlled by___________________?
comments icon0

A. 2 D

B. Id

C. 2d

D. ID
213. Rafinose is_______________________?
comments icon0

A. Monosaccharide

B. Trisaccharide

C. Disaccharide

D. Polysaccharide

214. Activities of plant tissues ceases at minimum temperature of ____________________?
comments icon0

A. 2C

B. 10C

C. 4C

D. -1C

215. Who used first artificial hybridization in fruit crops ____________________?
comments icon0

A. none

B. Knight (1800)

C. Karpocho (1810)

D. Jones (1917)

216. The storage life of fresh oranges at 5 to 9c is ____________________?
comments icon0

A. 6-8 weeks

B. 4-6 weeks

C. 6-12 weeks

D. 6-10 weeks

217. The storage life of fresh lemon at 10C is___________________?
comments icon0
A. 12-20 weeks

B. 6-10 weeks

C. 10-15 weeks

D. 12-16 weeks

218. Training includes which one of the following operations?
comments icon0

A. Only supporting

B. Only tying

C. All of the above

D. Only propping

219. The size of stomata is measured by___________________?
comments icon0

A. Atomic absorption Spectrophotometer

B. Potometer

C. Spectrophotometer

D. Porometer
220. Ginger and turmeric are propagated by________________________?
comments icon0

A. Corns

B. All the above

C. Tuber

D. Rhizome
221. Which one of the following is non-climacteric fruit__________________?
comments icon0

A. Papaya

B. Grape

C. Apple

D. Mango

222. The storage life of fresh onion at -1 to -4C is____________________?
comments icon0

A. 10-25 weeks

B. 10-15 weeks

C. 12-28 weeks

D. 12-25 weeks

223. The national flower of Pakistan is ___________________?
comments icon0
A. Jasmine

B. Tube rose

C. All the above

D. Rose

224. Adaptability, germination ability and variation the advantages of___________________?
comments icon0
A. Cross Pollination

B. Pollination

C. Self Pollination

D. All the above

225. The process that convert glucose to pyruvic acid is____________________?
comments icon0

A. Citric cycle

B. Fermentation

C. Calvin-Benson cycle

D. Glycolysis
226. Alternate bearing is the serious problem of_____________________?
comments icon0

A. Citrus

B. Mango

C. Persimon

D. Guava

227. The popular varieties of dates produced in the province of Balochistan, Makran division are:
comments icon0

A. Kahraba

B. Begum jangi

C. Mozwati

D. Both B & C
228. Inflorescence of mango ____________________?
comments icon0
A. Terminal panicle

B. bunch

C. Recemose

D. Cymose

229. If humidity is more transpiration will be_____________________________?
comments icon0

A. No

B. More

C. Less

D. Too much

230. The national tree of Pakistan is___________________?
comments icon0

A. Sesam

B. All the above

C. Acasia Arabia

D. Neem

231. Mango fruit can best be cooled by means of___________________?
comments icon0
A. Hydro cooling

B. Vacuum cooling

C. None of the above

D. Cold air cooling

232. Respiratory enzymes in the cell are present in_________________________?
comments icon0

A. Lysosomes

B. Ribosomes

C. Plastids

D. Mitochondria
233. The one reason of unfruitfulness in fruits may be:__________?
comments icon0

A. None of above

B. Compatibility

C. Monoecy

D. Heterostyly
234. Edible seed like almonds, pea cons are known as____________________?
comments icon0

A. Sub-tropical fruits

B. Nuts

C. Berries

D. None of the above

235. Decidous fruits can be planted in __________________?
comments icon0

A. Spring

B. Rainy season

C. Both a & b

D. None of the above

236. Plant gums and mucilages are__________________?
comments icon0

A. Monosaccharides

B. Disaccharides

C. Monosaccharides

D. None of the above

237. Resigns is toxic substance found in_______________?
comments icon0
A. Mango

B. Apple

C. Cassava

D. Guava

238. The term vernalization was first used in 1928 by____________________?
comments icon0

A. Chailakhian

B. Wrinkker

C. Lysenko

D. Gassner

239. Club-root is the disease of____________________?
comments icon0
A. Cabbage

B. Watermelon

C. Okra

D. Turnip

240. The photo nthesis reaction is determined by_________________?
comments icon0

A. Goldman equation

B. Nernst equation

C. Oxidation-reduction reaction

D. Hill reaction
241. The fruit plants resisting acidic condition is______________________?
comments icon0

A. Mango

B. Banana

C. Datepalm

D. Chiku

242. which one of the following instrument is used to measure the relative humidity in atmosphere___________________?
comments icon0

A. none of the above

B. Colorimeter

C. Hygrometer

D. Paramagnetic analyzer

243. Chilling injury in fruits occurs due to__________________?
comments icon0

A. Accumulation of toxic compounds

B. All the above

C. Accumulation of ethanol

D. Accumulation of acetaldehyde

244. Trees are characterized by ____________________?
comments icon0

A. Many branches

B. Larger branch

C. Single central stem

D. Root

245. The high level of starch accumulation is present in__________________?
comments icon0

A. Carrot

B. Cassava

C. Potato

D. Cucumber

246. Shelf life of banana at 20C in modified atmosphere with potassium permanganate is_____________________?
comments icon0
A. Upto 21 days

B. Upto 14 days

C. Upto 30 days

D. Upto 7 days

247. Guava grown in soils with pH _____________________?
comments icon0

A. 6.5-7.5

B. 4.5-8.5

C. 7.5-9.0

D. 5.5-7.5

248. The storage life of fresh mango at -1 to 4c is_________________________?
comments icon0

A. 0-4 weeks

B. 1-2 weeks

C. 1-4 weeks

D. 2-4 weeks

249. When seeds leaves the fruit or flower is termed as__________?
comments icon0

A. Non of the Above

B. Quiescent

C. Dissemination

D. Dormancy

250. Silviculture is a: __________?
comments icon0

A. Arabic word

B. Latin word

C. French word

D. Both A & C