McqMate
These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: Bachelor of Agriculture (BSc agri) .
| 801. |
Which of the following annual is used in rock gardening? |
| A. | Cosmos |
| B. | Clarkia |
| C. | Dianthus |
| D. | Morning glory |
| Answer» A. Cosmos | |
| 802. |
Which of the following annual is used as ground cover? |
| A. | Musemberanthemum |
| B. | Stock |
| C. | Viola |
| D. | Calendula |
| Answer» A. Musemberanthemum | |
| 803. |
Which of these annual is long season bloom |
| A. | Statice |
| B. | Sweet peas |
| C. | Portulaca |
| D. | All of these |
| Answer» A. Statice | |
| 804. |
Which of these are temporary visitor in the garden plantation. |
| A. | Perennials |
| B. | Shrubs |
| C. | Annuals |
| D. | Succulents |
| Answer» C. Annuals | |
| 805. |
During the summer, day time temperature in the forest are commonly cooler than open areas |
| A. | 2°C |
| B. | 10°C |
| C. | 15°C |
| D. | None of these |
| Answer» B. 10°C | |
| 806. |
Where the physiotherapy in floriculture can be exercised? |
| A. | Old houses |
| B. | Jails |
| C. | Hospitals |
| D. | All of these |
| Answer» D. All of these | |
| 807. |
Lotus is famous for |
| A. | Home gardening |
| B. | Rock gardening |
| C. | Water gardening |
| D. | None of these |
| Answer» C. Water gardening | |
| 808. |
For foundation plantings, plants should be |
| A. | Deciduous |
| B. | Annual |
| C. | Evergreen |
| D. | Ground covers |
| Answer» B. Annual | |
| 809. |
Which of these create overall effect of various features, styles and colour schemes of the total scene. |
| A. | Harmony |
| B. | Proportion |
| C. | Contrast |
| D. | Accent |
| Answer» A. Harmony | |
| 810. |
The change in chromosome that is an exact multiple of basic set of chromosome is termed as |
| A. | Euploid |
| B. | Aneuploid |
| C. | Haploid |
| D. | Autopolyploid |
| Answer» A. Euploid | |
| 811. |
The petals in a flower are collectively called |
| A. | Calyx |
| B. | Anther |
| C. | Corolla |
| D. | Perianth |
| Answer» C. Corolla | |
| 812. |
In Pakistan the postharvest losses of fruits and vegetables ranges between; |
| A. | 10-15% |
| B. | 15-20% |
| C. | 20-30% |
| D. | 20-40% |
| Answer» D. 20-40% | |
| 813. |
Quality of fruits and vegetables for fresh consumption is determined by; |
| A. | Grower |
| B. | Retailer |
| C. | Wholesaler |
| D. | Consumer |
| Answer» A. Grower | |
| 814. |
Vegetables or their products are preserved by means of: |
| A. | Grading |
| B. | Packing |
| C. | Processing |
| D. | Vegetable forcing |
| Answer» C. Processing | |
| 815. |
. A physical aging activity in which plant tissue degenerate and ultimately die is called. |
| A. | Fruit ripening |
| B. | Maturity |
| C. | Senescence |
| D. | a & b |
| Answer» C. Senescence | |
| 816. |
Degeneration and death of aerial plant parts like leaves, branches, flowers and fruit but not underground plant parts is called; |
| A. | Senescence |
| B. | Partial senescence |
| C. | Maturity |
| D. | None |
| Answer» B. Partial senescence | |
| 817. |
Synthetic products which when applied to plants, produce reactions almost identical to hormones, are called |
| A. | Plant hormones |
| B. | Plant growth regulators |
| C. | Photoperiodism activator |
| D. | Plant growth promoters |
| Answer» B. Plant growth regulators | |
| 818. |
Ethylene has horticultural uses such as; |
| A. | Inducing fruit maturity |
| B. | Initiate flowering |
| C. | Changing the green colour of fruits |
| D. | All of above |
| Answer» D. All of above | |
| 819. |
Low temperature injury includes; |
| A. | Chilling injury |
| B. | Desiccation heaving |
| C. | Anthracnose |
| D. | Above all |
| Answer» A. Chilling injury | |
| 820. |
Carotene is a precursor of ; |
| A. | Vitamin-C |
| B. | Vitamin-D |
| C. | Vitamin-A |
| D. | Ascorbic acid |
| Answer» C. Vitamin-A | |
| 821. |
A form of controlled atmosphere storage in which the produce is stored in a partial vacuum is called; |
| A. | Hypo baric storage |
| B. | Gas storage |
| C. | Modified storage |
| D. | Controlled atmospheric storage |
| Answer» A. Hypo baric storage | |
| 822. |
Total soluble solids in fruits or vegetables are measured by; |
| A. | Spectrophotometer |
| B. | Hydrometer |
| C. | Refractrometer |
| D. | Tensiometer |
| Answer» C. Refractrometer | |
| 823. |
Acidity is readily determined from a sample of extracted juice by titration with normal alkaline solution; |
| A. | 0.1 N NaoH |
| B. | 1.0 N NaoH |
| C. | 10.0 N NaoH |
| D. | 0.01 N NaoH |
| Answer» A. 0.1 N NaoH | |
| 824. |
The best time of harvest for perishable fruits and vegetables is ; |
| A. | Morning |
| B. | Afternoon |
| C. | Evening |
| D. | Night |
| Answer» A. Morning | |
| 825. |
In mangoes the established method for evaluation of maturity is; |
| A. | Colour of fruit |
| B. | Firmness of fruit |
| C. | Dry matter contents |
| D. | Size of fruit |
| Answer» C. Dry matter contents | |
| 826. |
If the fruits are coated with wax the rate of water loss can be reduced upto ; |
| A. | 20-30% |
| B. | 30-40% |
| C. | 40-50% |
| D. | 30-50% |
| Answer» D. 30-50% | |
| 827. |
Sweet potatoes can be cured at around 30°C and 90-95% RH for; |
| A. | 1-2 days prior to storage |
| B. | 2-5 days prior to storage |
| C. | 4-7 days prior to storage |
| D. | 7-8 days prior to storage |
| Answer» C. 4-7 days prior to storage | |
| 828. |
In apples internal breakdown can be reduced during cold storage by treating with; |
| A. | Sodium |
| B. | Magnesium |
| C. | Calcium |
| D. | Potassium |
| Answer» C. Calcium | |
| 829. |
The most common packing material used for mango and citrus in Pakistan is; |
| A. | Plastic bins |
| B. | Bamboo baskets |
| C. | Polythene bags |
| D. | Wooden crates |
| Answer» D. Wooden crates | |
| 830. |
The optimum storage temperature for apple ranges from; |
| A. | 0-1°C |
| B. | 2-5°C |
| C. | 5-10°C |
| D. | 10-15°C |
| Answer» A. 0-1°C | |
| 831. |
After harvest the rate of respiration increases in; |
| A. | Tropical fruits |
| B. | Non-climacteric fruits |
| C. | Temperate fruits |
| D. | Climacteric fruits |
| Answer» D. Climacteric fruits | |
| 832. |
Which is the best indicator of metabolic activities and potential storage life of fresh produce; |
| A. | Rate of transpiration |
| B. | Rate of respiration |
| C. | Rate of ethylene production |
| D. | Rate of weight loss |
| Answer» B. Rate of respiration | |
| 833. |
As storage period of most fruits is increased, acidity and vitamin C; |
| A. | Increase |
| B. | Decrease |
| C. | Remain same |
| D. | Acidity increases while vitamin c decreases |
| Answer» A. Increase | |
| 834. |
During curing of tuber crops; |
| A. | Excessive moisture is lost |
| B. | A waxy layer is developed on the fruit |
| C. | Storage life increases |
| D. | All of above |
| Answer» D. All of above | |
| 835. |
The most common radiation dose used for extending shelf-life of fruits and vegetables ranges between; |
| A. | 0.01-3.0 kGy |
| B. | 5-10 kGy |
| C. | 10-20 kGy |
| D. | 20-30 kGy |
| Answer» A. 0.01-3.0 kGy | |
| 836. |
In controlled atmosphere storage; |
| A. | Temperature and RH is controlled |
| B. | Nitrogen concentration is controlled |
| C. | Oxygen and carbon dioxide is controlled |
| D. | All of the above |
| Answer» A. Temperature and RH is controlled | |
| 837. |
Chilling injury is common in; |
| A. | Temperate fruits |
| B. | Tropical and sub-tropical fruits |
| C. | Deciduous fruits |
| D. | None of above |
| Answer» B. Tropical and sub-tropical fruits | |
| 838. |
Which enzyme is involved in ethylene synthesis; |
| A. | ACC synthase |
| B. | ACC oxidase |
| C. | Endoploygalacturonase |
| D. | a & b |
| Answer» D. a & b | |
| 839. |
Safe storage temperature for most mango cultivars is; |
| A. | 5-6°C |
| B. | 7-8°C |
| C. | 13°C |
| D. | 1-2°C |
| Answer» C. 13°C | |
| 840. |
During storage of most fresh produce the relative humidity should be; |
| A. | 50-60% |
| B. | 65-75% |
| C. | 70-80% |
| D. | 85-95% |
| Answer» D. 85-95% | |
| 841. |
Which crop has higher respiration rate; |
| A. | Cabbage |
| B. | Grapefruit |
| C. | Potato |
| D. | Tomato |
| Answer» A. Cabbage | |
| 842. |
Silver thiosulphate extend vase life of cut flowers by; |
| A. | Anti-bacterial properties |
| B. | Anti-oxidant properties |
| C. | Anti-ethylene properties |
| D. | Anti-auxins properties |
| Answer» D. Anti-auxins properties | |
| 843. |
Which one is the non-climacteric fruit; |
| A. | Apple |
| B. | Mango |
| C. | Peach |
| D. | Citrus |
| Answer» D. Citrus | |
| 844. |
Internal browning in fresh produce is the result of ; |
| A. | Depletion of carbohydrates |
| B. | Action of polyphenoloxidase (PPO) |
| C. | Loss of moisture |
| D. | Loss of chlorophyll |
| Answer» B. Action of polyphenoloxidase (PPO) | |
| 845. |
In onions the maturity is determined by; |
| A. | Bulb size |
| B. | Bulb colour |
| C. | Leaves colour |
| D. | Tops drooping |
| Answer» D. Tops drooping | |
| 846. |
The stage at which rose flowers should be cut; |
| A. | When petals are fully open |
| B. | At tight-bud stage |
| C. | When petals starts folding |
| D. | When the petals show full colour |
| Answer» B. At tight-bud stage | |
| 847. |
The postharvest quality in carnation flowers is observed better when they are cut at; |
| A. | Bud stage |
| B. | Fully open stage |
| C. | Half bud and half open stage |
| D. | All of the above |
| Answer» C. Half bud and half open stage | |
| 848. |
The common fumigant applied to fruit crops after harvest, for controlling postharvest diseases; |
| A. | Ca(OH)2 |
| B. | So2 |
| C. | CaO |
| D. | Co2 |
| Answer» A. Ca(OH)2 | |
| 849. |
The best method of harvesting citrus fruits is; |
| A. | Pulling |
| B. | Clipping |
| C. | Twisting |
| D. | Twist-picking |
| Answer» B. Clipping | |
| 850. |
The most effective fungicide for controlling citrus fruit diseases caused by Penicillium spp. is; |
| A. | Sodium orthophenylphosphate (SOPP) |
| B. | Carbendazim |
| C. | Thiabendazole (TBZ) |
| D. | Topsin-M |
| Answer» B. Carbendazim | |
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