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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.
| 701. |
Date growth does not cease if temperature does not fall below: |
| A. | 0°C. |
| B. | 10°C |
| C. | 18°C |
| D. | 20°C |
| Answer» D. 20°C | |
| 702. |
The main commercial method for propagating African violets is by: |
| A. | Seeds |
| B. | Crowns |
| C. | Tubers |
| D. | Leaf petioles |
| Answer» E. | |
| 703. |
Which of the following plants is known as dessert saroo? |
| A. | Populus nigra |
| B. | Bahinia varigata |
| C. | Sapium seveferum |
| D. | Casuarina equistifolia |
| Answer» E. | |
| 704. |
High temperature in chillies causes |
| A. | Flower drop |
| B. | Fruit drop |
| C. | Both of the above |
| D. | None of these |
| Answer» D. None of these | |
| 705. |
Botanical seed of potato is |
| A. | Seed potato |
| B. | Potato seed |
| C. | None of above |
| D. | Slips |
| Answer» C. None of above | |
| 706. |
Flower bearing in ber occurs during |
| A. | Spring |
| B. | Winter |
| C. | Summer |
| D. | Autumn |
| Answer» E. | |
| 707. |
The sweet orange is a |
| A. | Loose skinned |
| B. | Tight skinned |
| C. | Both of them |
| D. | Non of these |
| Answer» C. Both of them | |
| 708. |
Chromosome number of mango are |
| A. | n=20 |
| B. | n=17 |
| C. | n=8 |
| D. | n=11 |
| Answer» B. n=17 | |
| 709. |
Which of the following plants are used for the extraction of scent? |
| A. | Rose |
| B. | Murva |
| C. | Citrus |
| D. | All of above |
| Answer» D. All of above | |
| 710. |
Maximum production of date palm is in: |
| A. | Iran |
| B. | Algeria |
| C. | U.S.A. |
| D. | Iraq |
| Answer» E. | |
| 711. |
The purpose of staking is to |
| A. | Protect the trunk |
| B. | Prevent root damage due to wind action |
| C. | Prevent wind injury to branches |
| D. | Prevent damage due to frost. |
| Answer» D. Prevent damage due to frost. | |
| 712. |
Senescence is a stage of |
| A. | Tissue decay |
| B. | Tissue multiplication |
| C. | Tissue vigour |
| D. | Tissue ripening |
| Answer» B. Tissue multiplication | |
| 713. |
Germination of undeveloped seeds is favored by: |
| A. | Warm temperature (>20°C) |
| B. | Gibberallic acid |
| C. | Low temperature (<20°C) |
| D. | a & b |
| Answer» E. | |
| 714. |
Rubber plant can be propagated through: |
| A. | Aerial layering |
| B. | Cutting |
| C. | All above |
| D. | None of above |
| Answer» D. None of above | |
| 715. |
The night temperature of indoor plants should be _________ºF cooler than day timetemperature |
| A. | 5-10 |
| B. | 3-4 |
| C. | 20-30 |
| D. | 10-15 |
| Answer» E. | |
| 716. |
Which of the following describes plants that lose their leaves during the winter? |
| A. | Evergreen |
| B. | Deciduous |
| C. | Coniferous |
| D. | Herbaceous |
| Answer» C. Coniferous | |
| 717. |
A dry and often papery covering of corms & some bulbs, is known as: |
| A. | Trumpet |
| B. | Plunging |
| C. | Fall |
| D. | Tunic |
| Answer» E. | |
| 718. |
Sensation is the variety of: |
| A. | Sweet orange |
| B. | Grape fruit |
| C. | Mandarin |
| D. | Mango |
| Answer» E. | |
| 719. |
Causes of misshapen and angularity in cucumber fruit under tunnel is due to |
| A. | Poor pollination |
| B. | Poor fertilization |
| C. | Proper pollination |
| D. | None |
| Answer» B. Poor fertilization | |
| 720. |
Storage life of vegetables increased by the use of GA spray at harvesting time |
| A. | 50 ppm |
| B. | 100 ppm |
| C. | 200 ppm |
| D. | None of above |
| Answer» B. 100 ppm | |
| 721. |
In plants auxin are mainly present in: |
| A. | Root tips |
| B. | Stem end |
| C. | Shoot tips |
| D. | Leaf margins |
| Answer» D. Leaf margins | |
| 722. |
Any detached plant part which, when placed under favorable conditions will produce anew plant identical to the parent plant is called a: |
| A. | Cutting |
| B. | Seed |
| C. | Plug |
| D. | Graft |
| Answer» B. Seed | |
| 723. |
Abscisic acid (ABA) is natural plant hormone, which: |
| A. | Promote the growth |
| B. | Initiate the ripening |
| C. | Induce the fruit maturity |
| D. | retards the growth |
| Answer» E. | |
| 724. |
Piping is carried out in |
| A. | Chrysanthemum |
| B. | Rose |
| C. | Gladiolus |
| D. | Carnation |
| Answer» E. | |
| 725. |
RCBD stands for: |
| A. | Repeated control block design |
| B. | Reported complete block design |
| C. | Randomized complete block design |
| D. | All of above |
| Answer» D. All of above | |
| 726. |
Most of the summer vegetables belong to family: |
| A. | Solanaecae |
| B. | Cucurbitaceae |
| C. | Malvaceae |
| D. | Poaceae |
| Answer» C. Malvaceae | |
| 727. |
Sprigging is: |
| A. | Cutting grass to kept it short |
| B. | Sowing a lawn |
| C. | Chopping up a lawn to provide better drainage |
| D. | Planting individual plants, runners, or stolons to establish a lawn |
| Answer» E. | |
| 728. |
Tulip is an example of |
| A. | Rhizome |
| B. | Bulb |
| C. | Tuber |
| D. | Corm |
| Answer» C. Tuber | |
| 729. |
Lowering the soil grade around a tree removes many of the tree’s __________ roots. |
| A. | Tap |
| B. | Aerial |
| C. | Feeder |
| D. | Aquatic |
| Answer» D. Aquatic | |
| 730. |
Skirt in date palm fruit is |
| A. | Exocarp |
| B. | Merocarp |
| C. | Endocarp |
| D. | Seed |
| Answer» D. Seed | |
| 731. |
Lotus is famous for |
| A. | Home gardening |
| B. | Rock gardening |
| C. | Water gardening |
| D. | None of these |
| Answer» D. None of these | |
| 732. |
Tunnels for vegetable forcing are categorized as |
| A. | High type |
| B. | Low type |
| C. | Walk in type |
| D. | All of these |
| Answer» E. | |
| 733. |
Moisture is lost through small openings on the underside of the leaves known as: |
| A. | Air holes |
| B. | Stems |
| C. | Stomata |
| D. | None of the above |
| Answer» D. None of the above | |
| 734. |
Fertilization after opining of flower refers to: |
| A. | Cleistogamy |
| B. | Chasmogamy |
| C. | Homogamy |
| D. | Herkogamy |
| Answer» C. Homogamy | |
| 735. |
For optimum vase life, most cut flowers should be stored at temperatures close to: |
| A. | 40 ºF |
| B. | 45 ºF |
| C. | 30 ºF |
| D. | 50 ºF |
| Answer» B. 45 ºF | |
| 736. |
Maturation of anthers and stigma at the same time refers to: |
| A. | Homogamy |
| B. | Chasmogamy |
| C. | Cleistogamy |
| D. | Dichogamy |
| Answer» B. Chasmogamy | |
| 737. |
Alkaloids are |
| A. | Alkali like compounds |
| B. | Neutral compounds |
| C. | Basic compound |
| D. | Complex nitrogen compound |
| Answer» C. Basic compound | |
| 738. |
Flowers which are grown from bulbs include |
| A. | Zinnia |
| B. | Tulip |
| C. | Marigolds |
| D. | All of the above |
| Answer» C. Marigolds | |
| 739. |
CRD is a statistical approach for: |
| A. | Field experiment |
| B. | Laboratory experiment |
| C. | a & b |
| D. | None |
| Answer» C. a & b | |
| 740. |
Hybrid vigor in vegetables is manifested by |
| A. | High yield |
| B. | Uniformity in size |
| C. | Uniformity in maturity |
| D. | All of above |
| Answer» E. | |
| 741. |
Secondary dormancy in non dormant seeds is due to: |
| A. | Temperature |
| B. | Moisture |
| C. | Aeration |
| D. | Light |
| Answer» B. Moisture | |
| 742. |
Araucaria is a________________ plant: |
| A. | Tropical |
| B. | Sub-tropical |
| C. | Temperate |
| D. | All of above |
| Answer» D. All of above | |
| 743. |
Excess of N in citrus plant may cause |
| A. | Leaf drop |
| B. | Lodging |
| C. | Flower drop |
| D. | Fruit drop |
| Answer» D. Fruit drop | |
| 744. |
Carrot is a rich source of vitamin: |
| A. | Vitamin A |
| B. | Vitamin C |
| C. | Vitamin D |
| D. | Vitamin E |
| Answer» B. Vitamin C | |
| 745. |
In pineapple sweet orange, fruit drop in month of June is upto: |
| A. | 66% |
| B. | 76% |
| C. | 86% |
| D. | 96% |
| Answer» E. | |
| 746. |
Bunchy top disease in banana is said to be due to: |
| A. | Virus |
| B. | Insects |
| C. | improper storage |
| D. | fungus |
| Answer» B. Insects | |
| 747. |
Which of the following plants require severe pruning? |
| A. | Lagerstromea purporea |
| B. | Nerium odorum |
| C. | Jasminum sambac |
| D. | Thuja orientalis |
| Answer» B. Nerium odorum | |
| 748. |
Internal browning in apples takes place due to _______: |
| A. | Fungus |
| B. | High temperature |
| C. | Hail storm |
| D. | Bacteria |
| Answer» C. Hail storm | |
| 749. |
Solanum melogena is locally known as : |
| A. | Tomato |
| B. | Potato |
| C. | Egg plant |
| D. | Chillies |
| Answer» D. Chillies | |
| 750. |
Tea leaves contains |
| A. | Tannins |
| B. | Alkaloids |
| C. | Alkaloids and tannins |
| D. | None of above |
| Answer» D. None of above | |