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MCQOPTIONS
This section includes 2265 Mcqs, each offering curated multiple-choice questions to sharpen your Current Affairs knowledge and support exam preparation. Choose a topic below to get started.
| 1251. |
Degeneration and death of aerial plant parts like leaves, branches, flowers and fruit butnot underground plant parts is called; |
| A. | Senescence |
| B. | Partial senescence |
| C. | Maturity |
| D. | None |
| Answer» C. Maturity | |
| 1252. |
Plants usually do not grow well in poorly drained soils because: |
| A. | Oxygen content is low in poorly drained soils |
| B. | The organic matter content of poorly drained soils is too high |
| C. | Poorly drained soils warm too quickly in spring |
| D. | Plant roots become engorged with water in poorly drained soils |
| Answer» B. The organic matter content of poorly drained soils is too high | |
| 1253. |
Pruning in narrow leave evergreens should be done during: |
| A. | Early fall |
| B. | Winter |
| C. | Summer |
| D. | Early spring |
| Answer» E. | |
| 1254. |
Lilium longiflorum, an important holiday potted plant, is commonly known as: |
| A. | Kalanchoe |
| B. | Poinsettia |
| C. | Easter Lily |
| D. | Hydrangea |
| Answer» D. Hydrangea | |
| 1255. |
During stratification, the most important factor is: |
| A. | Temperature |
| B. | Duration |
| C. | Media |
| D. | All of above |
| Answer» E. | |
| 1256. |
These vegetables are cross pollinated in nature |
| A. | Cauliflower, cabbage |
| B. | Spinach, Peas |
| C. | Raddish |
| D. | None of above |
| Answer» D. None of above | |
| 1257. |
The soil pH level primarily controls: |
| A. | Soil temperature |
| B. | Activity of soil-borne diseases |
| C. | Moisture absorption by roots |
| D. | Availability of essential plant nutrients |
| Answer» E. | |
| 1258. |
Tomato is a _________ crop. |
| A. | Self pollinated |
| B. | Insect pollinated |
| C. | Oftenly cross pollinated |
| D. | Wind pollinated |
| Answer» B. Insect pollinated | |
| 1259. |
Which of these annual is long season bloom |
| A. | Statice |
| B. | Sweet peas |
| C. | Portulaca |
| D. | All of these |
| Answer» B. Sweet peas | |
| 1260. |
Family solanaceae consist of these crops. |
| A. | Potato, Tomato, eggplant etc. |
| B. | Water melon, muskmelon, cucumber |
| C. | Turnip, Raddish, Carrot etc. |
| D. | None of above |
| Answer» B. Water melon, muskmelon, cucumber | |
| 1261. |
Banana propagation is carried out through: |
| A. | Sword sucker |
| B. | Water suckers |
| C. | Aerial suckers |
| D. | All of above |
| Answer» B. Water suckers | |
| 1262. |
Narcissus has a cup- like centre in its flowers, known as: |
| A. | Corolla |
| B. | Cross |
| C. | Crock |
| D. | Corona |
| Answer» E. | |
| 1263. |
Tip burn of lettuce occurs at high air temperature when the soil is _______: |
| A. | Cool |
| B. | Dry |
| C. | Hot |
| D. | Wet |
| Answer» C. Hot | |
| 1264. |
Dioecious, monocot fruit tree is: |
| A. | Banana |
| B. | Pomegranate |
| C. | Date palm |
| D. | Papaya |
| Answer» D. Papaya | |
| 1265. |
Crocus is propagated through: |
| A. | Bulbs |
| B. | Corms |
| C. | Rhizomes |
| D. | Seeds |
| Answer» C. Rhizomes | |
| 1266. |
Frond length of cultivated date ranges: |
| A. | 3-5 m |
| B. | 3-4 m |
| C. | 2-3 m |
| D. | 1-2 m |
| Answer» C. 2-3 m | |
| 1267. |
The best time of harvest for perishable fruits and vegetables is ; |
| A. | Morning |
| B. | Afternoon |
| C. | Evening |
| D. | Night |
| Answer» B. Afternoon | |
| 1268. |
Nut fruits are derived from |
| A. | Epigynous flower |
| B. | Hypogynous flower |
| C. | Perigynous flower |
| D. | Hypo and perigynous flower |
| Answer» C. Perigynous flower | |
| 1269. |
Aromatic biosynthesis in plants takes place by |
| A. | Shikimic acid pathway |
| B. | Acetate hypothesis |
| C. | Both |
| D. | None of above |
| Answer» E. | |
| 1270. |
Seedless date palm variety is: |
| A. | Hassaku |
| B. | Hillai |
| C. | Ajwa |
| D. | None |
| Answer» B. Hillai | |
| 1271. |
Creeping vegetables crops are grown on |
| A. | Beds |
| B. | Ridges |
| C. | Flats |
| D. | All of these |
| Answer» B. Ridges | |
| 1272. |
can be effectively used as windbreak: |
| A. | Moulsary |
| B. | Ulta Ashok |
| C. | Bottle brush |
| D. | All of the above |
| Answer» B. Ulta Ashok | |
| 1273. |
The common fumigant applied to fruit crops after harvest, for controlling postharvestdiseases; |
| A. | Ca(OH)2 |
| B. | So2 |
| C. | CaO |
| D. | Co2 |
| Answer» B. So2 | |
| 1274. |
Which of the following fertilizer carries 46% nitrogen |
| A. | Urea |
| B. | Ammonium sulphate |
| C. | Potassium nitrate |
| D. | Single super phosphate |
| Answer» B. Ammonium sulphate | |
| 1275. |
The bud which develop into the axils of a leaf is |
| A. | Axillary buds |
| B. | Terminal buds |
| C. | Adventitious buds |
| D. | Naked buds |
| Answer» B. Terminal buds | |
| 1276. |
Hollow heart of potato is a |
| A. | Disease |
| B. | Disorder |
| C. | Insect attack |
| D. | Deficiency |
| Answer» C. Insect attack | |
| 1277. |
The first ever auxin discovered was: |
| A. | IBA |
| B. | IPA |
| C. | IAA |
| D. | None of above |
| Answer» D. None of above | |
| 1278. |
A plant which is able to live under very dry conditions is called |
| A. | Xerophyte |
| B. | Hallophyte |
| C. | Mesophyte |
| D. | None of above |
| Answer» B. Hallophyte | |
| 1279. |
Vitamin A is effective against |
| A. | Night blindness |
| B. | Beri beri disease |
| C. | Gum problems |
| D. | None of these |
| Answer» B. Beri beri disease | |
| 1280. |
In onions the maturity is determined by; |
| A. | Bulb size |
| B. | Bulb colour |
| C. | Leaves colour |
| D. | Tops drooping |
| Answer» E. | |
| 1281. |
The stamens are the male organs of flower which are also called |
| A. | Pistil |
| B. | Gynoecium |
| C. | Androecium |
| D. | Carpel |
| Answer» D. Carpel | |
| 1282. |
Seed germination percentage of rough lemon is: |
| A. | 50-60% |
| B. | 60-70% |
| C. | 70-80% |
| D. | 80-90% |
| Answer» C. 70-80% | |
| 1283. |
During the summer, day time temperature in the forest are commonly cooler than openareas |
| A. | 2°C |
| B. | 10°C |
| C. | 15°C |
| D. | None of these |
| Answer» C. 15°C | |
| 1284. |
Why must a hole or furrow be made in the growing media before sticking the cutting? |
| A. | To prevent the rooting hormone from getting knocked off the end of the cutting. |
| B. | To make the process of sticking the cutting easier. |
| C. | To establish the depth to which the cutting should be planted. |
| D. | To maintain good air circulation around the cutting's base. |
| Answer» B. To make the process of sticking the cutting easier. | |
| 1285. |
Which one is the non-climacteric fruit; |
| A. | Apple |
| B. | Mango |
| C. | Peach |
| D. | Citrus |
| Answer» E. | |
| 1286. |
Citrus canker is a : |
| A. | Fungal disease |
| B. | Bacterial disease |
| C. | Nutrient deficiency |
| D. | Presence of pebbles in soil |
| Answer» C. Nutrient deficiency | |
| 1287. |
Hybrid tea roses are developed by crossing: |
| A. | Hybrid perpetual & Tea rose |
| B. | Floribunda & Tea rose |
| C. | Tea rose & Polyontha rose |
| D. | Tea rose & Grandiflora rose |
| Answer» B. Floribunda & Tea rose | |
| 1288. |
Anthracnose of mango is: |
| A. | Fungal disease |
| B. | Viral disease |
| C. | Physiological disorder |
| D. | Non of these |
| Answer» B. Viral disease | |
| 1289. |
A shade loving border plant is: |
| A. | Marigold |
| B. | Impatiens |
| C. | Zinnia |
| D. | Chrysanthemum |
| Answer» C. Zinnia | |
| 1290. |
The major metabolic process which takes place in the harvested produce is _______: |
| A. | Ripening |
| B. | Respiration |
| C. | Softening |
| D. | Senescence |
| Answer» C. Softening | |
| 1291. |
To preserve the germination ability of most seeds, store them in a: |
| A. | Warm, dry environment |
| B. | Cool, dry environment |
| C. | Cool environment after scarification |
| D. | Warm, moist environment after stratification |
| Answer» C. Cool environment after scarification | |
| 1292. |
Volatile oil are those oil which can evaporate at : |
| A. | 25°C |
| B. | 40°C |
| C. | 50°C |
| D. | 65°C |
| Answer» B. 40°C | |
| 1293. |
Yield of carrot is maximum at pH: |
| A. | 6.5 |
| B. | 7.5 |
| C. | 8.5 |
| D. | Below 6.5 |
| Answer» B. 7.5 | |
| 1294. |
In a landscape design, properly located plants and structures. |
| A. | Can reduce heat intensity |
| B. | Need to be constantly pruned and maintained |
| C. | Block the view of the front door |
| D. | Are not essential for a good landscape design |
| Answer» B. Need to be constantly pruned and maintained | |
| 1295. |
A form of controlled atmosphere storage in which the produce is stored in a partialvacuum is called; |
| A. | Hypo baric storage |
| B. | Gas storage |
| C. | Modified storage |
| D. | Controlled atmospheric storage |
| Answer» B. Gas storage | |
| 1296. |
Failure of a bulb to produce a marketable flower following floral initiation is: |
| A. | Disbudding |
| B. | Flower blasting |
| C. | Damping off |
| D. | Dieback |
| Answer» C. Damping off | |
| 1297. |
Which of the following plant require very light pruning? |
| A. | Nerium Odorum |
| B. | Rhododendron |
| C. | Lawsonia alba |
| D. | Punica grantum |
| Answer» B. Rhododendron | |
| 1298. |
Cuttings with ________ show more success of rooting : |
| A. | Leaves |
| B. | Opening buds |
| C. | Slanting cut |
| D. | Round cut |
| Answer» C. Slanting cut | |
| 1299. |
In some plants the buds contain both leaves and flowers and known as |
| A. | Leaf buds |
| B. | Flower buds |
| C. | Scaly buds |
| D. | Mixed buds |
| Answer» E. | |
| 1300. |
Mowing of grasses in winter is recommended after: |
| A. | 20-30 days |
| B. | 30-40 days |
| C. | 40-50 days |
| D. | Both ‘b’ and ‘c’ |
| Answer» E. | |