Description : When pollen of a flower is transferred to the stigma of another flower of the same plant, the pollination is referred to as (a) autogamy (b) geitonogamy (c) xenogamy (d) allogamy.
Last Answer : b) geitonogamy
Description : Male sterility promotes: a. Autogamy b. Allogamy c. Homogamy d. Chasmogamy
Last Answer : Chasmogamy
Description : Nature of pollination in cucurbits is: a. Highly cross pollinated b. Oftenly cross pollinated c. Highly self pollinated d. None of above
Last Answer : Highly cross pollinated
Description : Cross pollinated in apple generally produce a. Bad results than self pollinated b. Better results than self pollinated c. Same results as self pollinated d. Non of these
Last Answer : Better results than self pollinated
Description : These vegetables are cross pollinated in nature a. Cauliflower, cabbage b. Spinach, Peas c. Raddish d. None of above
Last Answer : Raddish
Description : Vegetables belonging to the cross pollinated group is a. Peas b. Tomato c. a & b d. Cabbage
Last Answer : Cabbage
Description : Tomato is a _________ crop. a. Self pollinated b. Insect pollinated c. Oftenly cross pollinated d. Wind pollinated
Last Answer : Self pollinated
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 : Cross pollination is associated with: a. Cleistogamy b. Chasmogamy c. Dichogamy d. Apogamy
Description : Cross pollination is essential in following type of vegetables. a. Monoecious b. Dioecious c. Gynoecious d. Perigynous
Last Answer : Dioeciou
Description : Bracts situated out side the calyx in certain flowers are called a. Epicalyx b. Epibasal c. Epicarp d. Epidermis
Last Answer : Epicalyx
Description : A blue colour flower plant denoted by BB is cross bred with that of white colour flower plant denoted by bb. (a) State the colour of flower you would expect in their F1 generation plants. (b) What ... -pollinated? (c) State the expected ratio of the genotypes BB and Bb in the F2 progeny. -Biology
Last Answer : This is your Answer.
Description : All commercial date palm orchards in Pakistan are pollinated by a. Insects b. Winds c. Natural d. Manual
Last Answer : Manual
Description : Which vegetable is self pollinated a. Peas b. Cucumber c. Watermelon d. Sponge gourd
Last Answer : Peas
Description : Tetraploid watermelon must be pollinated by ____ plants to produce a seedless watermelon a. Triploid b. Aneuploid c. Diploid d. Tetraploid
Last Answer : Diploid
Description : The condition in which flower opens only after pollination is called — a. Chasmogamy b. Cleistogamy c. Autogamy d. None of these
Last Answer : a. Chasmogamy
Description : Pollination by wind is called: w) autogamy x) entomophily y) anemophily z) ornithophily
Last Answer : ANSWER: Y -- ANEMOPHILY
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 : 10. “Cleistogamous flowers are invariably autogamous because” (a) These flowers do not open at all. (b) There is no chance of cross – pollen landing on the stigma. (c) These flowers have exposed anthers and stigma. (d) These flowers are wind pollinated.
Last Answer : (a) These flowers do not open at all.
Description : Monoecious plants have male and female sexes/flowers on a. Same plant b. Different plants c. Both of these d. None of these
Last Answer : Same plant
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 : The phase of fruit bud formation continues until _________: a. Anthesis b. Petal formation c. Pollination d. Differentiation
Last Answer : Anthesis
Description : Pollination in tomatoes under tunnel production is carried out by: a. Honey bees b. Bumble bees c. House flies d. Vibration
Last Answer : Vibration
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 : Causes of misshapen and angularity in cucumber fruit under tunnel is due to a. Poor pollination b. Poor fertilization c. Proper pollination d. None
Last Answer : Poor pollination
Description : The development of fruit without fertilization or seed is called as: a. Pollination b. polyembryony c. pseudogamy d. Parthenocarpy
Last Answer : Parthenocarpy
Description : Parthenocarpy refers to : a. Seedless fruits b. Fruit without pollination c. Seeds without pollination d. None of above
Last Answer : Fruit without pollination
Description : Parthenocarpic cucumber develops due to: a. After pollination b. Without pollination c. None of above d. a & b
Last Answer : Without pollination
Description : Completion of pollination and fertilization in unopened flower bud is termed as a. Chasmogamy b. Apogamy c. Cleistogamy d. Dichogamy
Last Answer : Cleistogamy
Description : Self pollination is a form of: a. Inbreeding b. Out breeding c. Random mating d. None of these
Last Answer : Inbreeding
Description : Unisexuality of flowers prevents (a) geitonogamy, but not xenogamy (b) autogamy and geitonogamy (c) autogamy, but not geitonogamy (d) both geitonogamy and xenogamy
Last Answer : (c) autogamy, but not geitonogamy
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 : Pansy is very popular annual due to its: a. Stem and foliage beauty b. Hardiness toward ground cover c. Planting under shad. d. Mix colour flowers bedding plant.
Last Answer : Mix colour flowers bedding plant.
Description : An inflorescence in which the pedicels of the flowers arises from the same points as called a. Umbel b. Spike c. Catkin d. Uninate
Last Answer : Umbel
Description : $ Pollination by insects is called self pollination. ! Cross pollination is between two genetically similar flowers.
Last Answer : $ Pollination by insects is called self pollination. ! Cross pollination is between two genetically similar flowers ... D. If both As and R are wrong.
Description : Bisexual flowers are present in both Clerodendron and Scrophularia. Still cross pollination takes place. How?
Last Answer : Ans: In clerodendron the androecium attains maturity earlier than gynoecium and in Scrophulria the gynoecium attains maturity earlier than androecium.
Description : The pollination between two different flowers present on same plant is called as
Last Answer : The pollination between two different flowers present on same plant is called as – Geitonogamy
Description : is generally added to water when processing flowers in a retail floral shop. a. Herbicide b. Insecticide c. Biocide d. Algicide
Last Answer : Biocide
Description : A major problem in standard carnation production resulting in asymmetrical flowers is: a. Improper fertilization b. High-density spacing c. Calyx splitting d. Lack of pinching
Last Answer : Calyx splitting
Description : Which of the following perennials is hardy and having blue and lavender colour flowers? a. Verbena b. Dianthus c. Calendula d. Alyssum
Last Answer : Verbena
Description : 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
Last Answer : 40 ºF
Description : Which shrub has white colour flowers with fragrance a. Tabernaemontana divertice b. Hibiscus rosa chinensis c. Thevetia merifolia d. Jasminum sambac
Last Answer : Jasminum sambac
Description : Which of the shrub bears red colour flowers a. Atriplex halimus b. Tecoma stans c. Jatropha metrifeda d. Jasminum sambac
Last Answer : Jatropha metrifeda
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 : The showy red, pink, or white portion of the poinsettia are: a. Flowers b. Bracts c. Petals d. Sepals
Last Answer : Bracts
Description : Which of the tree bears red colour flowers? a. Erythrena subrosa b. Albizia lebbek c. Sapium sebiferum d. Thuja orientalus
Last Answer : Erythrena subrosa
Description : Which of the following shrubs has white fragrant flowers? a. Tabernaemontana divertica b. Gardenia florida c. Thevitia nerifolia d. Lantana comara
Last Answer : Gardenia florida
Description : Jaccaranda mimosifolia has a. Red flowers b. Yellow flowers c. White flowers d. Purple flowers
Last Answer : Purple flowers
Description : Which of the following shrubs bears yellow flowers? a. Jasminum sambac b. Tabernamontana divertica c. Thevetia nerifolia d. Hibiscus Rosa sinensis
Last Answer : Thevetia nerifolia