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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.
| 551. |
Active ingredients in plants are defined as: |
| A. | Correcting bodily functions |
| B. | A restorative of body ailments |
| C. | Preventing or curing diseases |
| D. | Constituents having a medicinal action |
| Answer» D. Constituents having a medicinal action | |
| 552. |
Carotene is a precursor of ; |
| A. | Vitamin-C |
| B. | Vitamin-D |
| C. | Vitamin-A |
| D. | Ascorbic acid |
| Answer» D. Ascorbic acid | |
| 553. |
Bracts situated out side the calyx in certain flowers are called |
| A. | Epicalyx |
| B. | Epibasal |
| C. | Epicarp |
| D. | Epidermis |
| Answer» B. Epibasal | |
| 554. |
Mulching can reduce water loss by: |
| A. | 50% |
| B. | 90% |
| C. | 35% |
| D. | 25% |
| Answer» C. 35% | |
| 555. |
Which one is not the best source of protein? |
| A. | Potatoes |
| B. | Peas |
| C. | Beans |
| D. | Okra |
| Answer» B. Peas | |
| 556. |
Iceberg bears flowers: |
| A. | Yellow |
| B. | Red |
| C. | Pink |
| D. | White |
| Answer» E. | |
| 557. |
English Ivy (Hedera helix) is |
| A. | Evergreen ground cover |
| B. | Evergreen shrub |
| C. | Diciduous shrub |
| D. | deciduous ground cover |
| Answer» B. Evergreen shrub | |
| 558. |
Anthesis of grapes complete at: |
| A. | Pedicel fall |
| B. | Calyx drop |
| C. | Cap fall |
| D. | None |
| Answer» D. None | |
| 559. |
_________ removes the inhibiting substances and the organs producing them |
| A. | Topping |
| B. | Disbudding |
| C. | Pinching |
| D. | Girdling |
| Answer» B. Disbudding | |
| 560. |
Dacca is a selected variety of: |
| A. | Herb |
| B. | Shrub |
| C. | Turfgrass |
| D. | None of these |
| Answer» D. None of these | |
| 561. |
Which of these create overall effect of various features, styles and colour schemes of thetotal scene. |
| A. | Harmony |
| B. | Proportion |
| C. | Contrast |
| D. | Accent |
| Answer» B. Proportion | |
| 562. |
Which vegetable having high concentration of fats. |
| A. | Sweet potato, potato |
| B. | Water melon, musk melon |
| C. | Cabbage, Cauliflower |
| D. | None of above |
| Answer» E. | |
| 563. |
Sweet orange belongs to the family |
| A. | Malvaceae |
| B. | Rotaceae |
| C. | Rutaceae |
| D. | Chenopodiaceae |
| Answer» D. Chenopodiaceae | |
| 564. |
Green leaves of plants are able to __________ all the vitamins that they can use : |
| A. | Synthesize |
| B. | Reduce |
| C. | Uptake |
| D. | Store |
| Answer» B. Reduce | |
| 565. |
Citrus reticulat Blanco is the botanical name for |
| A. | Sour lime |
| B. | Mandarin |
| C. | Both of a and b |
| D. | None of these |
| Answer» C. Both of a and b | |
| 566. |
Vegetables belonging to the cross pollinated group is |
| A. | Peas |
| B. | Tomato |
| C. | a & b |
| D. | Cabbage |
| Answer» E. | |
| 567. |
Most of Nitrogen is used in the decomposition of __________ and thus plant showsdeficiency symptoms : |
| A. | Amino acids |
| B. | Cellulose |
| C. | Carbon compounds |
| D. | Organic matter |
| Answer» C. Carbon compounds | |
| 568. |
The acceleration of flowering by manipulating environmental conditions is known as: |
| A. | Pulsing |
| B. | Forcing |
| C. | Leaching |
| D. | After-ripening |
| Answer» C. Leaching | |
| 569. |
Inarching is also called as |
| A. | cutting |
| B. | Budding |
| C. | approach grafting |
| D. | non of these |
| Answer» D. non of these | |
| 570. |
Almond and peach belongs to: |
| A. | Same genus and spp. |
| B. | Some germs & different spp. |
| C. | Different genus & different spp. |
| D. | All of above |
| Answer» C. Different genus & different spp. | |
| 571. |
Peat is often mixed into the growing medium of container plants because it: |
| A. | Is inexpensive |
| B. | Has good air and water holding capacities |
| C. | Has a high pH |
| D. | Absorbs excessive soluble salts |
| Answer» C. Has a high pH | |
| 572. |
Root formation is promoted in softwood cuttings under light intensity of __________foot candles: |
| A. | 100-150 |
| B. | 150-200 |
| C. | 200-250 |
| D. | 250-350 |
| Answer» C. 200-250 | |
| 573. |
Rose budded at 3 ½ feet height is called |
| A. | Miniature rose |
| B. | Standard rose |
| C. | Half standard rose |
| D. | Climbing rose |
| Answer» C. Half standard rose | |
| 574. |
Apple and pear belongs to: |
| A. | Same genus |
| B. | Different sub genus |
| C. | Different genera |
| D. | All of above |
| Answer» C. Different genera | |
| 575. |
Auxin antagonists compounds interact with auxins as: |
| A. | Counteract |
| B. | Increase |
| C. | Decrease |
| D. | None of the above |
| Answer» B. Increase | |
| 576. |
Production of seeds without fertilization is termed as: |
| A. | Parthenocarpy |
| B. | Parthenogenesis |
| C. | Gametogenesis |
| D. | All of above |
| Answer» C. Gametogenesis | |
| 577. |
Chimera refers to |
| A. | Somatic cell fusion |
| B. | Gametic cell fusion |
| C. | Undiffereciated cell |
| D. | None |
| Answer» B. Gametic cell fusion | |
| 578. |
Nitrates are absorbed at pH below ___________: |
| A. | 5 |
| B. | 6 |
| C. | 7 |
| D. | 8 |
| Answer» B. 6 | |
| 579. |
Secondary dormancy is due to: |
| A. | Immature Embryo |
| B. | Chemical Inhibitors |
| C. | Light Requirement |
| D. | Hardseededness |
| Answer» D. Hardseededness | |
| 580. |
Which of the following roses bear clustered flowers? |
| A. | Hybrid tea |
| B. | Floribunda |
| C. | Miniature |
| D. | All of the above |
| Answer» E. | |
| 581. |
Which of the following tree is commonly used in the landscape of arid zone? |
| A. | Ficus benjamina |
| B. | Pethocelobium dulce |
| C. | Pinus longifolia |
| D. | Prosopis juliflora |
| Answer» E. | |
| 582. |
Potato and sweet potato are well known for |
| A. | Carbohydrates |
| B. | Proteins |
| C. | Vitamins |
| D. | All of these |
| Answer» B. Proteins | |
| 583. |
Stage at which seed achieves it maximum dry weight and has maximum germinationpotential and vigor is: |
| A. | Physiological maturity |
| B. | Edible maturity |
| C. | Harvest maturity |
| D. | None of above |
| Answer» B. Edible maturity | |
| 584. |
King of temperate fruit is: |
| A. | Mango |
| B. | Citrus |
| C. | Banana |
| D. | Apple |
| Answer» E. | |
| 585. |
Which vegetable is self pollinated |
| A. | Peas |
| B. | Cucumber |
| C. | Watermelon |
| D. | Sponge gourd |
| Answer» B. Cucumber | |
| 586. |
Guava seed before germination requires: |
| A. | Fungicide treatment |
| B. | Chemical treatment |
| C. | Commercial grade H2SO4 treatment |
| D. | All of above |
| Answer» D. All of above | |
| 587. |
Exposure of seed to low temperature before germination is termed as : |
| A. | Scarification |
| B. | Stratification |
| C. | Vernalization |
| D. | All of above |
| Answer» C. Vernalization | |
| 588. |
The non-climacteric fruit is |
| A. | Banana |
| B. | Mango |
| C. | Apple |
| D. | Citrus |
| Answer» E. | |
| 589. |
Mrs. Khan loves spring flowering bulbs. Which of the following would you suggest forMrs. Khan to plant? |
| A. | Hyacinthus orientalis |
| B. | Coleus x hybridus |
| C. | Lonicera japonica |
| D. | Gardenia jasminoides |
| Answer» B. Coleus x hybridus | |
| 590. |
The Genus Fortunella include : |
| A. | 7 spp. |
| B. | 6 spp. |
| C. | 5 spp. |
| D. | 4 spp. |
| Answer» E. | |
| 591. |
Truck gardening means vegetable production for: |
| A. | Distant places |
| B. | Industry |
| C. | Local market |
| D. | None of these |
| Answer» B. Industry | |
| 592. |
Best time of propagation of fruit plants in sub tropical region is : |
| A. | Spring season |
| B. | Spring & autum season |
| C. | Summer season |
| D. | Summer and winter season |
| Answer» C. Summer season | |
| 593. |
Quinine alkaloids are present in |
| A. | Nux vomica |
| B. | Cocoa leaves |
| C. | Belladona roots |
| D. | Cinchona bark |
| Answer» E. | |
| 594. |
Fruiting body of roses is called: |
| A. | Button |
| B. | Hips |
| C. | Slip |
| D. | None of above |
| Answer» C. Slip | |
| 595. |
Optimum temperature for cool season vegetables is: |
| A. | 25-30°C |
| B. | 25-27°C |
| C. | 18-24°C |
| D. | 15-20°C |
| Answer» D. 15-20°C | |
| 596. |
Which of the following factor(s) is/are more suitable for good onion production? |
| A. | High temperature |
| B. | Long photoperiod |
| C. | None of above |
| D. | All above |
| Answer» E. | |
| 597. |
Removal of off type plants from a seed field is termed as: |
| A. | Weeding |
| B. | Rouging |
| C. | Hoeing |
| D. | All of above |
| Answer» C. Hoeing | |
| 598. |
Hardening-off is a term used in the nursery/landscape industry to mean: |
| A. | Allowing herbaceous plants to become woody |
| B. | Acclimatizing landscape plants to coldframe conditions |
| C. | Coating plants with a protective plastic-type spray prior to transplanting |
| D. | Acclimatizing tender plants to harsher, outdoor conditions |
| Answer» E. | |
| 599. |
Pears are |
| A. | Universally self compatible |
| B. | Universally self incompatible |
| C. | Gross compatible |
| D. | None |
| Answer» C. Gross compatible | |
| 600. |
Deciduous plants are mostly grown in |
| A. | Hilly area |
| B. | In plains |
| C. | Along rivers |
| D. | None of these |
| Answer» B. In plains | |