horticulture Mcqs
301. A plant hormone which promote cell division known as_____________________?
comments icon0

A. IAA

B. Cytokinins

C. Gibberellins

D. Auxins

302. What are the products of fermentation of grapes by yeast________________?
comments icon0
A. CO & alcohol

B. ATP & Ethanol

C. All the above

D. ATP & CO2

303. Roma is variety of ___________________?
comments icon0

A. Guar

B. Raddish

C. Tomato

D. Onion

304. Low temperature in climacteric fruits causes delay in________________________?
comments icon0

A. Harvesting

B. None of the above

C. Conversion of sugar to starch

D. Ripening
305. Which of the following is good source of vitamin A__________________?
comments icon0

A. Gram

B. Banana

C. Wheat

D. Mango
306. Eating quality of the fruits is determined by_____________________?
comments icon0

A. Texture

B. Physiological age

C. All the above

D. Flavor

307. Citrus canker is a disease caused by ___________________?
comments icon0

A. Virus

B. Bacteria

C. Nematode

D. Fungi

308. Disease incidences in plants is favored by___________________?
comments icon0
A. All the above

B. Cloudy weather

C. High humidity

D. Low temperature

309. Degradation of green colour of fruits is due to___________________?
comments icon0

A. Oxidative system

B. All the above

C. Chloroplry lases

D. pH changes

310. Edible part of apple is __________________ ?
comments icon0

A. Seed

B. Epicarp

C. fleshy aril

D. fleshy thalamus

311. When a single bud is used as scion and inserted into root stock is called ____________________ ?
comments icon0

A. Shield budding

B. Stocking

C. All the above

D. Budding
312. The dormancy of bulbs, roots and tubers can be prolonged by_____________________?
comments icon0

A. Low temperature

B. All the above

C. Appropriate storage conditions

D. Medium temperature

313. which is multipurpose tree___________________?
comments icon0

A. Pine

B. Kikar

C. Mango

D. Cedar

314. Cabbage, cauliflower, broccoli, knol-knol are_____________________?
comments icon0
A. Cole crop

B. Solanaceous vegetables

C. Floral vegetable

D. Leafy vegetables

315. The nutrient stimulating vegetative growth is_____________________?
comments icon0

A. Phosphorus

B. Zinc

C. Nitrogen

D. Potassium

316. The protein content of fresh fruit is about___________________?
comments icon0
A. 1%

B. 3%

C. 2%

D. 4%

317. In plants the food is stored in the form of ____________________?
comments icon0

A. Glycogen

B. Cellulose

C. Strach

D. Fat

318. Which one of the following____________________?
comments icon0

A. Army worms

B. Weevils

C. Cut worm

D. Aphids

319. Potato when fried, excessive browning develops due to _______________________?
comments icon0

A. Reaction between amino acid and sugar

B. All the above

C. None of the above

D. Caramelization

320. Green vegetables are the source of _________________?
comments icon0
A. Foliate

B. Biotin

C. Carbohydrates

D. Vitamin

321. Citrus is divided into three genera, citrus, poncirus and fortunate by______________________?
comments icon0
A. Swingle

B. None of the above

C. Hodgson

D. Lincous

322. Mango is grown in soils with pH__________________?
comments icon0

A. 8-May

B. 5.5-7.5

C. 5.5-8.7

D. 8-Jun

323. Coding moth is major pest of___________________?
comments icon0
A. Apple

B. Pear

C. Grapes

D. Peach

324. Where does respiratory electron transport occurs____________________?
comments icon0

A. matrix of mitochondria

B. Chloroplast

C. Cytoplasm

D. Inner membrane of mitochondria
325. Which one of the following quantative change is associated with ripening of fruits_____________________?
comments icon0

A. Pectic substance and hemicellulose

B. Conversion of starch to sugar

C. All the above

D. Breakdown of poly carbohydrates

326. Which one of the following is not fruit__________________?
comments icon0

A. Bitter guard

B. Muskmelon

C. Potato

D. Tomato

327. The ovary develops and forms ____________________?
comments icon0

A. None of the above

B. Ovule

C. seed

D. Fruit
328. Purpling of leaves is common deficinary symptoms of __________________?
comments icon0
A. Phosphorus

B. Potassium

C. Iron

D. Nitrogen

329. Gumosis is disease of___________________?
comments icon0

A. Datepalm

B. Guava

C. Mango

D. Citrus
330. Which disease is caused by nematodes in banana_____________________?
comments icon0

A. Finger tip rot

B. Root knot

C. Panama diseases

D. Banana bunchy top

331. Science and art of establishment a tree crop is called____________________?
comments icon0

A. Tissue culture

B. Sericulture

C. Silva culture

D. None of the above