McqMate
These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: Bachelor of Agriculture (BSc agri) .
| 751. |
when all the parts of the design suggest a single impression it is called |
| A. | Harmony |
| B. | Transition |
| C. | Balance |
| D. | Unity |
| Answer» D. Unity | |
| 752. |
In Punjab pruning of roses is managed during |
| A. | Summer |
| B. | Winter |
| C. | Spring |
| D. | Year around |
| Answer» B. Winter | |
| 753. |
Which of the following roses bear clustered flowers? |
| A. | Hybrid tea |
| B. | Floribunda |
| C. | Miniature |
| D. | All of the above |
| Answer» D. All of the above | |
| 754. |
The new growth of a Dieffenbachia is weak and spindly, with large gaps between the leaves. The problem is probably: |
| A. | Salt damage |
| B. | Nitrogen deficiency |
| C. | Botrytis |
| D. | Lack of light |
| Answer» D. Lack of light | |
| 755. |
Cuttings of potted chrysanthemums are planted at an angle to encourage: |
| A. | Increased branching |
| B. | Larger blooms |
| C. | A more rounded plant |
| D. | Earlier flowering |
| Answer» A. Increased branching | |
| 756. |
The common name for Zebrina pendula is: |
| A. | African Lily |
| B. | Boston ivy |
| C. | Wandering Jew |
| D. | Grape ivy |
| Answer» C. Wandering Jew | |
| 757. |
Which of the following flower types is not suitable for pressing? |
| A. | Daffodil |
| B. | Dusty miller |
| C. | Pansy |
| D. | African violet |
| Answer» A. Daffodil | |
| 758. |
The most important environmental factor regulating flower initiation in bulbous species is: |
| A. | Light |
| B. | Temperature |
| C. | Moisture |
| D. | Ventilation |
| Answer» B. Temperature | |
| 759. |
Plant propagation is important because of the reason: |
| A. | Selected plants chosen to maintain their traits |
| B. | Usefulness |
| C. | For specific traits |
| D. | Preserving plant products as a source of food |
| Answer» A. Selected plants chosen to maintain their traits | |
| 760. |
Successful Plant Propagation involves the: |
| A. | Knowledge of technical skills |
| B. | Knowledge of plant biology |
| C. | Knowledge of plant |
| D. | All of these |
| Answer» D. All of these | |
| 761. |
Any detached plant part which, when placed under favorable conditions will produce a new plant identical to the parent plant is called a: |
| A. | Cutting |
| B. | Seed |
| C. | Plug |
| D. | Graft |
| Answer» A. Cutting | |
| 762. |
Which type of cutting is taken in the dormant season when tissues are fully matured and lignified. |
| A. | Softwood |
| B. | Semi-hardwood |
| C. | Hardwood |
| D. | Herbaceous |
| Answer» C. Hardwood | |
| 763. |
Colchicine is chemically: |
| A. | Volatile oil |
| B. | Tannins |
| C. | Protein |
| D. | Alkaloid |
| Answer» D. Alkaloid | |
| 764. |
Quinine alkaloids are present in |
| A. | Nux vomica |
| B. | Cocoa leaves |
| C. | Belladona roots |
| D. | Cinchona bark |
| Answer» D. Cinchona bark | |
| 765. |
This mineral is exposed to high heat and expanded. It is often used as a propagation media. |
| A. | Perlite |
| B. | Vermiculite |
| C. | Peat Moss |
| D. | Sand |
| Answer» B. Vermiculite | |
| 766. |
What are two of the most important qualities for selecting a rooting media? |
| A. | Hard and free from pests |
| B. | Well drained and low moisture retentive |
| C. | Water holding capacity and Air holding capacity |
| D. | None of these |
| Answer» C. Water holding capacity and Air holding capacity | |
| 767. |
Which of these four plants which are propagated from herbaceous cuttings. |
| A. | Carnation, Chrysanthemum, Coleus and Geranium. |
| B. | Azalea, Coleus, Geranium and Rose |
| C. | Coleus, Ruscus, Gardenia and holly |
| D. | Tuberose, Syngonium, Hibiscus and Dracenia |
| Answer» A. Carnation, Chrysanthemum, Coleus and Geranium. | |
| 768. |
Why is it important to select cutting free of berries and flowers? |
| A. | The flowers and berries take up too much space in the propagation bed. |
| B. | Because berries and flowers weigh down the cuttings and may cause them to tip over. |
| C. | The flowers and berries would attract harmful insects to the cuttings. |
| D. | Because they consume much of the food stored and produced by the cutting. |
| Answer» D. Because they consume much of the food stored and produced by the cutting. | |
| 769. |
Why is it important to transport cutting from the field to the propagation area in a plastic bag? |
| A. | To keep your hands and clothing clean. |
| B. | To help maintain the moisture level of the cutting stock. |
| C. | Because a paper bag would tear too easily |
| D. | To maintain the integrity of the soil around the roots. |
| Answer» B. To help maintain the moisture level of the cutting stock. | |
| 770. |
What is the optimum length for most of cuttings? |
| A. | 1 to 3 inches |
| B. | 3 to 6 inches |
| C. | 6 to 8 inches |
| D. | 10 to 12 inches |
| Answer» C. 6 to 8 inches | |
| 771. |
The bottom leaves from the cutting should be removed before "sticking" the cutting for which of the following reasons. |
| A. | The leaves may rot |
| B. | The leaves may become diseased |
| C. | Neither A nor B |
| D. | Both A and B |
| Answer» C. Neither A nor B | |
| 772. |
When taking the cutting from the stock plant, at what angle should the cut be made? |
| A. | 25-degrees |
| B. | 45-degrees |
| C. | 60-degrees |
| D. | 90-degrees |
| Answer» B. 45-degrees | |
| 773. |
When sticking a hard wood cutting, how many nodes should be under the rooting medium? |
| A. | At least 1 |
| B. | 1 to 3 |
| C. | 2 to 4 |
| D. | 3 to 5 |
| Answer» A. At least 1 | |
| 774. |
Why are rooting hormones applied to cuttings? |
| A. | To increase the plant's ability to reproduce. |
| B. | To promote the production of a new root system. |
| C. | To help the cutting resist disease. |
| D. | To promote the production of healthy leaves, flowers and berries. |
| Answer» B. To promote the production of a new root system. | |
| 775. |
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» A. To prevent the rooting hormone from getting knocked off the end of the cutting. | |
| 776. |
How many seconds should a cutting be held in a liquid IBA rooting hormone? |
| A. | 2 |
| B. | 5 |
| C. | 10 |
| D. | 12 |
| Answer» B. 5 | |
| 777. |
How far should cuttings be inserted into the rooting media? |
| A. | ½ to 3 inch |
| B. | ¾ to 2 inch |
| C. | 1 to 2 inch |
| D. | 1 ½ to 3 inch |
| Answer» C. 1 to 2 inch | |
| 778. |
It is important to firm the soil around the base of the cutting due to following reasons: |
| A. | To eliminate air pockets. |
| B. | To make sure the base of the cutting makes good contact with the rooting media. |
| C. | Neither A nor B |
| D. | Both A and B |
| Answer» D. Both A and B | |
| 779. |
Why is it important to evenly space the cuttings in the rooting medium? |
| A. | To promote good air circulation. |
| B. | To cut down on the transmission of disease organisms. |
| C. | To make the best use of the propagation space. |
| D. | All of the above. |
| Answer» C. To make the best use of the propagation space. | |
| 780. |
What portion of the stem of a cutting should be coated with rooting hormone? |
| A. | A portion which includes at least two nodes. |
| B. | The bottom ¼ inch. |
| C. | The portion of the stem that will be under the media. |
| D. | The entire cutting should be covered with hormone. |
| Answer» C. The portion of the stem that will be under the media. | |
| 781. |
What is the final step of preparing cuttings? |
| A. | Preparing the rooting media. |
| B. | Selecting quality cutting stock. |
| C. | The application of rooting hormone. |
| D. | Watering-in and placing the cuttings on a mist bed. |
| Answer» D. Watering-in and placing the cuttings on a mist bed. | |
| 782. |
Why must any left over rooting hormone be discarded after use? |
| A. | To eliminate the possibility of contaminating the entire supply of rooting |
| B. | hormone. |
| C. | To conserve funds used to purchase rooting hormone. |
| D. | To deplete the supply of rooting hormone to help keep the supplier in business. |
| Answer» A. To eliminate the possibility of contaminating the entire supply of rooting | |
| 783. |
Why a propagator trim the leaves of large-leaved cuttings? |
| A. | To eliminate unsightly insect damage. |
| B. | To conserve propagation space. |
| C. | To shape the leaves into topiaries. |
| D. | To achieve a uniform leaf size and shape. |
| Answer» B. To conserve propagation space. | |
| 784. |
What type of cutting does not become woody? |
| A. | Softwood |
| B. | Semi-hardwood |
| C. | Hardwood |
| D. | Herbaceous |
| Answer» D. Herbaceous | |
| 785. |
Sodium hypochlorite is used: |
| A. | To eliminate unsightly insect damage. |
| B. | To conserve moisture. |
| C. | To enhance the rooting. |
| D. | To sterilize cutting tools. |
| Answer» D. To sterilize cutting tools. | |
| 786. |
Secondary dormancy is due to: |
| A. | Immature Embryo |
| B. | Chemical Inhibitors |
| C. | Light Requirement |
| D. | Hardseededness |
| Answer» C. Light Requirement | |
| 787. |
Cutting most oftenly used in fruit plants are: |
| A. | Herbaceous Cutting |
| B. | Leafy cutting |
| C. | Semi hard wood cutting |
| D. | None |
| Answer» C. Semi hard wood cutting | |
| 788. |
Which of the following fertilizer carries 46% nitrogen |
| A. | Urea |
| B. | Ammonium sulphate |
| C. | Potassium nitrate |
| D. | Single super phosphate |
| Answer» A. Urea | |
| 789. |
Red top is the variety of |
| A. | Tomato |
| B. | Potato |
| C. | Apple |
| D. | Guava |
| Answer» A. Tomato | |
| 790. |
Alternate bearing in mangoes is due to |
| A. | Environmental factor |
| B. | Physiological factors |
| C. | Genetic factors |
| D. | All of these |
| Answer» D. All of these | |
| 791. |
Windproof shelterbelts are |
| A. | Very dense |
| B. | Medium dense |
| C. | Porous |
| D. | None of these |
| Answer» A. Very dense | |
| 792. |
Plants control direct sunlight and intercept glare by means of |
| A. | Obstruction |
| B. | Absorption |
| C. | Reflection |
| D. | Radiation |
| Answer» A. Obstruction | |
| 793. |
Roses can successfully be cultivated at a temperature |
| A. | 40°C |
| B. | 21°C |
| C. | 30°C |
| D. | 10°C |
| Answer» B. 21°C | |
| 794. |
Tulip is an example of |
| A. | Rhizome |
| B. | Bulb |
| C. | Tuber |
| D. | Corm |
| Answer» B. Bulb | |
| 795. |
Ground cover includes of plants |
| A. | Annuals |
| B. | Biennial |
| C. | Perennials |
| D. | All of these |
| Answer» D. All of these | |
| 796. |
Which of these shrub produce fragrant flowers |
| A. | Cestrum nocturnum |
| B. | Cestrum diurnum |
| C. | Murraya panniculata |
| D. | All of these |
| Answer» D. All of these | |
| 797. |
The danger signs of too little water are |
| A. | Leaves rapidly become wilted and limp. |
| B. | Leaf growth slows. |
| C. | Lower leaves become curled or yellow in colour. |
| D. | All of these |
| Answer» D. All of these | |
| 798. |
For potting plants the pH should be_____ |
| A. | 5-6 |
| B. | 6-7 |
| C. | 4-5 |
| D. | None of these |
| Answer» A. 5-6 | |
| 799. |
Double delight is a variety of rose which belongs to a group of : |
| A. | Hybrid Tea |
| B. | Floribunda |
| C. | Miniature |
| D. | None of these |
| Answer» A. Hybrid Tea | |
| 800. |
Chrysanthemums are propagated through |
| A. | Seeds |
| B. | Suckers |
| C. | Cutting |
| D. | All of these |
| Answer» D. All of these | |
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