Description : The microsporogenesis is the formation of a. Male gamete b. Female gamtete c. Female and male gamete d. Non of these
Last Answer : Male gamete
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 : Read the following five statements (A - E) and answer as asked next to them. (A) In Equisetum, the female gametophyte is retained on the parent sporophyte. (B) In Ginkgo, male gametophyte is not independent. (C ... . How many of the above statements are correct? (a) Two (b) Three (c) Four (d) One
Last Answer : (d) One
Description : Stooling is also called as a. Sexual propagatiobn b. Cutting c. Gooti layering d. Mound layering
Last Answer : Mound layering
Description : A change in genetic constitution, which arises suddenly and not to segregation and recombination of genes in sexual reproduction is called as: a. Hybridization b. Bud variation c. Mutation d. Non of them
Last Answer : Mutation
Description : Apomictic seedlings are also called as: a. Nucellar seedlings b. Sexual seedlings c. Embryonic seedlings d. None
Last Answer : Nucellar seedling
Description : Why sexual and asexual ulva plant are called as sporophyte gametophyte?
Last Answer : What is the answer ?
Description : Distinguish between a gamete and zygote. Explain their roles in sexual reproduction -Biology
Last Answer : Gamete represents the sex cell or germ cell in sexual reproduction. ... Zygote is the product of fertilization in which a male and a female gamete fuse with each other. The two fusing ... characters of their parents in their DNA. Fertilization brings characters of both parents into one zygote cell.
Description : Top-shaped multiciliate male gametes and the mature seed which bears only one embryo with two cotyledons, are characterised features of (a) cycads (b) conifers (c) polypetalous angiosperms (d) gamopetalous angiosperms.
Last Answer : (a) cycads
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 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 : Is there a chart out there that lists the chemical properties of common plants?
Last Answer : http://tinyurl.com/29ys5hb
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 : 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 : 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 : 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
Description : Salt tolerant fruit plants are: a. Date and Ber b. Ber and Guava c. a & b d. None
Last Answer : a & b
Description : Banana plants are infected with: a. Banana bunchy top b. Anthracnose of stem c. Rhizome wilt d. None
Last Answer : Banana bunchy top
Description : 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
Last Answer : Spring & autum season
Description : Chilling injury in plants occurs at a temperature: a.
Last Answer :
Description : First and the heaviest flower drop in fruit plants occurs due to : a. Structural defects in the flowers b. Lack of pollination c. Non fertilization d. All of the abov
Last Answer : All of the abov
Description : In plants auxin are mainly present in: a. Root tips b. Stem end c. Shoot tips d. Leaf margins
Last Answer : Shoot tips
Description : New growth of plants need _________ water for proper development: a. Low b. Medium c. High d. Very High
Last Answer : High
Description : In green plants light favour the formation of a. Auxin b. GA c. ABA d. IBA
Last Answer : Auxin