Description : Compounds possessing hormone like properties which have small molecular weight, are termed as : a. Auxins b. Gibberellins c. Kinins d. None of these
Last Answer : Kinins
Description : What is a chart that lists all the known elements?
Last Answer : The elements are usually represented in a chart called the"Periodic Table of elements".
Description : The two most practical means of the home owner to control insects and diseases are: a. Mechanical and chemical b. Mechanical and biological c. Chemical and biological d. Biological and natural
Last Answer : Mechanical and biological
Description : Which of the following is not a method for sterilizing plant growing medium? a. Steaming b. Baking c. Using chemical fumigants d. Keeping the growing medium moist for 6 to 7 days
Last Answer : Keeping the growing medium moist for 6 to 7 days
Description : Guava seed before germination requires: a. Fungicide treatment b. Chemical treatment c. Commercial grade H2SO4 treatment d. All of above
Last Answer : Commercial grade H2SO4 treatment
Description : Potato dormancy can be broken through a. Chemical treatment b. Low temperature c. Both of these d. None of these
Last Answer : Both of these
Description : Tetrazolium test to check seed viability is a. Chemical test b. Enzyme test c. Germination test d. a & c
Last Answer : a & c
Description : The most common summer cooling system in greenhouses is: a. Package evaporative coolers b. Fan-tube cooling system c. Fog evaporative cooling d. Fan-and-pad evaporative cooling
Last Answer : Fan-and-pad evaporative cooling
Description : A common example of incomplete flower is: a. Apetalous flower b. Staminate flower c. Pistillate flower d. All of the above
Last Answer : All of the above
Description : In sweet orange pre-harvest fruit drop is a. Seldom experienced b. Never experienced c. common experienced d. Problems of the area
Last Answer : Problems of the area
Description : Common rootstocks for apple in Pakistan a. M-7 b. M-9 c. Crab apple d. Sky spur
Last Answer : Crab apple
Description : Common rootstock used for sweet orange in NWFP. a. Sour orange b. Rough lemon c. Citrumello d. None
Last Answer : Sour orange
Description : Quince is a common rootstock for a. Peach b. Plum c. Pear d. Pomegranate
Last Answer : Peak
Description : Common rootstock for citrus in Punjab a. Rough lemon b. Sour orange c. Sweet orange d. Sweet lime
Last Answer : Rough lemon
Description : The most common pollinator insect in Pakistan is a. Syrphid fly b. Bumble bees c. Honey bees d. House fly
Last Answer : Honey bees
Description : Should I pinch suckers off my tomato plants even though they've gotten big and now have blossoms on them?
Last Answer : The only disadvantage of suckers is that the more you have, the less the tomatoes will weigh. The more suckers you have, the more tomatoes you will harvest, although they will be smaller. Your choice.
Description : 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
Last Answer : Can reduce heat intensity
Description : Low-growing landscape plants should: a. Be placed in front of intermediate growing plants b. Be placed behind intermediate growing plants c. Not be used in the landscape d. Be planted under large trees
Last Answer : Be placed in front of intermediate growing plants
Description : In plants, __________ is the process of converting stored energy into energy for plant growth. a. Transpiration b. Photosynthesis c. Respiration d. Pollination
Last Answer : Respiration
Description : To make the living area of a landscape appear larger, a designer should include plants that feature: a. Warm-colored flowers such as reds, oranges, yellows b. Cool-colored flowers such as blues, purples, lavenders c. A combination of warm- and cool-colored flowers d. All white flowers
Last Answer : Cool-colored flowers such as blues, purples, lavenders
Description : 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
Last Answer : Oxygen content is low in poorly drained soils
Description : Plants that have been clipped or pruned into two-dimensional forms are: a. Espalier b. Topiary c. Balanced d. Dynamic
Last Answer : Espalier
Description : Training plants into three-dimensional ornamental forms, such as animals, is called: a. Topiary b. Espalier c. Heading back d. Bonsai
Last Answer : Topiary
Description : The average humidity percentage recommended for interior plants is: a. 70 to 100% b. 40 to 70% c. 20 to 30% d. 10 to 20%86.
Last Answer : 40 to 70%
Description : Which of the following statements is true? a. Annuals are used as surface material. b. Annuals are used as ground covers. c. Annuals are used as border plants. d. Annuals are used all of above purposes
Last Answer : Annuals are used all of above purposes
Description : The major auxin produced in plants is: a. Indole-3-butyric acid (IBA) b. Naphthalene acetic acid (NAA) c. Indole-3-acetic acid (IAA) d. Ethylene
Last Answer : Indole-3-acetic acid (IAA)
Description : Which of the following statements is true. a. Perennials are used for one season. b. Perennials are good plants for the garden with low maintenance cost. c. Perennials are not easy to grow and establish in beds. d. Perennials are only for foliage beauty
Last Answer : Perennials are good plants for the garden with low maintenance cost.
Description : In temperate climates, pruning should not be done near the end of the summer because: a. New growth will not harden before winter b. It may increase foliage disease c. Plants will not recover in time to produce new growth before winter d. Sever “bleeding” from the cuts will kill the plant
Last Answer : New growth will not harden before winter
Description : 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
Last Answer : Has good air and water holding capacities
Description : A technique to produce well branched, compact plants with many flowers is: a. Stunting b. Compacting c. Pinching d. Potting
Last Answer : Pinching
Description : All of the following are bulbous and tuberous-rooted plants except: a. Dahlias b. Dutch iris c. Caladiums d. Snapdragons
Last Answer : Snapdragons
Description : Hard, thorny structures which protect the buds of woody plants during winter, are termed as: a. Nodes b. Scales c. Bracts d. None of all
Last Answer : Scales
Description : Which of the following plants is known as dessert saroo? a. Populus nigra b. Bahinia varigata c. Sapium seveferum d. Casuarina equistifolia
Last Answer : Casuarina equistifolia
Description : Most house plants, except cacti, prefer a highly organic and a. Neutral growing medium b. Alkaline growing medium c. Acidic growing medium d. None of above
Last Answer : Acidic growing medium
Description : Which of the following plants require severe pruning? a. Lagerstromea purporea b. Nerium odorum c. Jasminum sambac d. Thuja orientalis
Last Answer : Lagerstromea purporea
Description : Reproductive phase of fruit plants is improved by the accumulation of _____: a. Nitrogen b. Starch c. Proteins d. Cellulose
Last Answer : Starch
Description : More harmones are accumulated in plants due to accumulation of _______: a. Nitrate b. Starch c. Protein d. Vitamins
Description : Addition of __________ hastens the time of fruit bud differentiation in fruit plants: a. Nitrites b. Nitrides c. Nitrates d. All of these
Last Answer : Nitrates
Description : Which of the following plants are used for the extraction of scent? a. Rose b. Murva c. Citrus d. All of above
Last Answer : Citrus
Description : For good pollination in papaya orchard it is necessary that male plants should be a. 5-10% b. 40-45% c. 50-55% d. 70-75%
Last Answer : 5-10%
Description : A sexual cell in plants is called a. Gamete b. Gametophyte c. Gamopetalous d. Gamosepalous
Last Answer : Gamete
Description : 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
Last Answer : Mixed buds
Description : Plants, soft and green, and can be easily bent is known a. Herbaceous b. Woody c. Shrubs d. Non of these
Last Answer : Herbaceous
Description : The plants which live for only a single season are called a. Herbs b. Perennials c. Biennials d. Annuals
Last Answer : Annuals
Description : Tap roots of plants are also called as a. Secondary roots b. Adventitious roots c. Primary roots d. Tertiary roots
Last Answer : Primary roots
Description : The plants shed their leaves during autumn are called; a. Evergreen b. Deciduous c. Hardy plants d. Non of them
Last Answer : Deciduous
Description : Reproduction of plants through seeds are also called: a. Asexual propagation b. Vegetative propagation c. Sexual propagation d. Tissue culture
Last Answer : Sexual propagation
Description : Plants response to the relative length of daylight or darkness is known as: a. long day b. Short day c. Neutral d. Photoperiodism
Last Answer : Photoperiodism
Description : Pomology is a study of a. Fruit plants b. Pome fruit c. Medicinal plants d. Deciduous plants
Last Answer : Fruit plants