Description : Heterospory and seed habit are often exhibited by a plant possessing (a) petiole (b) ligule (c) bract (d) spathe.
Last Answer : (b) ligule
Description : The bract that encloses a flower cluster is a . a. Quill b. Spathe c. Spike d. Petal
Last Answer : Spathe
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 : Peduncle is a main axis of the a. leaf b. Flower c. Inflorescence d. Bud
Last Answer : Inflorescence
Description : The bud which develop into the axils of a leaf is a. Axillary buds b. Terminal buds c. Adventitious buds d. Naked buds
Last Answer : Axillary buds
Description : The parts of stem from which a leaf arises is called a. Node b. Internodes c. Apex d. Bud
Last Answer : Node
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 : At fruit bud differentiation in mango, C/N ratio is _______: a. Low b. Medium c. High d. Very High
Last Answer : High
Description : Rate of bud development is ___________ upto winter season : a. Slow b. Rapid c. Medium d. Constant
Last Answer : Rapid
Description : The development of flower bud in tuberose is : a. Basipetal b. Exipetal c. Endopetal d. Acropetal
Last Answer : Acropetal
Description : The phase of fruit bud formation continues until _________: a. Anthesis b. Petal formation c. Pollination d. Differentiation
Last Answer : Anthesis
Description : Apical bud becomes ________ in mango at fruit bud differentiation : a. Flattened b. Rounded c. Dome shaped d. Elongated
Last Answer : Dome shaped
Description : Pruning in old fruit trees increases fruit bud formation by increasing ______: a. Carbohydrates b. New vegetative growth c. Hormonal contents d. Cell sap
Last Answer : New vegetative growth
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 : 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 : At fruit bud differentiation, nitrogen contents are _____________: a. Low b. Medium` c. High d. Very high
Last Answer : Low
Description : Edible portion of cabbage is a. Terminal bud b. Leaves c. Leaves + inflorescence d. All of above
Last Answer : Leaves
Description : Edible part of cauliflower is : a. Flowers b. Flower bud c. Vegetative bud d. Inflorescence
Last Answer : Vegetative bud
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 : Removal of young flower buds to allow maximum development of the remainder is termed as: a. Die back b. Disbudding c. Dead heading d. None of these
Last Answer : Disbudding
Description : Imbibed or germinated seeds subjected to cold temperature is termed as: a. Scarification b. Startification c. Vernalization d. Sterilization
Last Answer : Vernalization
Description : Exposure of seed to low temperature before germination is termed as : a. Scarification b. Stratification c. Vernalization d. All of above
Last Answer : Stratification
Description : Removal of off type plants from a seed field is termed as: a. Weeding b. Rouging c. Hoeing d. All of abov
Last Answer : Rouging
Description : Production of seeds without fertilization is termed as: a. Parthenocarpy b. Parthenogenesis c. Gametogenesis d. All of above
Last Answer : Parthenogenesis
Description : Controlled inhibition of seed is termed as: a. Priming b. Soaking c. Chilling d. None of above
Last Answer : None of above
Description : During seed formation, a sear left by the funiculus is termed as a. Hilum b. Funiculus c. Operculum d. Raph
Last Answer : Operculum
Description : A thread-like stem or leaf which clings to any support, is known as a. Climber b. Tendril c. Sucker d. Creeper
Last Answer : Tendril
Description : What is stipule? Which type of stipules are found in Ipomoea quamoclit?
Last Answer : Ans: Stipules are two small lateral appendages of leaf present on both sides of leaf base. Ipomoea quamoclit has branched stipules.
Description : An example of an organic material is __________. a. Pea gravel b. Perlite c. Leaf mold d. Vermiculite
Last Answer : Leaf mold
Description : The main commercial method for propagating African violets is by: a. Seeds b. Crowns c. Tubers d. Leaf petioles
Last Answer : Leaf petioles
Description : A leaf with parallel venation: a. Has leaflets b. Is a monocot c. Has crossing veins d. Is a compound leaf
Last Answer : Is a monocot
Description : Annual bearing apples differentiate much greater proportion of their flowers on _______: a. Spurs b. Shoots c. Leaf axils d. Main stem
Last Answer : Shoots
Description : Special leaf which bears a flower or cluster of flowers in its axils is called a. Bracts b. Compound leaf c. Simple leaf d. Non of these
Last Answer : Bracts
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 : Antagonistic effect of Fe on Zn availability in sweet orange causes: a. Leaf drop b. Fruit drop c. Reduce fruit weigh d. Zn deficiency
Last Answer : Zn deficiency
Description : Edges of the leaf are called a. Margin b. Midrib c. Veins d. Petiole
Last Answer : Margin
Description : The variety originated from a cross of King X Willow leaf is: a. Clementine b. Fair child c. Feutrell’s early d. Kinnow
Last Answer : Kinnow
Description : Different mango varieties can be distinguished on the basis of: a. New leaf colour b. Panicle length c. Number of male flowers d. All of above
Last Answer : New leaf colour
Description : Petiole is a main part of a. Flower b. Leaf c. Inflorescence d. Twig
Last Answer : Leaf
Description : Excess of N in citrus plant may cause a. Leaf drop b. Lodging c. Flower drop d. Fruit drop
Last Answer : Flower drop
Description : Date palm leaf is called: a. Simple leaf b. Long leaf c. Frond d. Pinna
Last Answer : Frond
Description : Leaf senescence can be retarded by the application of : a. Auxins b. Gibberellins c. Kinins d. Abscicic acid
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 : Dicots could be identified on the basis of: a. Reticulate leaf venations b. Parallel venations c. No leaf venations d. None of these
Last Answer : Reticulate leaf venations
Description : A mature ligule, having prominent basal portion, is called: (a) Glossopodium (b) Rhizhore (c) Trichome (d) None of these
Last Answer : Ans. ((a))
Description : Wings of birds are: (1) Modified hind limbs (2) New structure (3) Integumentary outgrowth (4) Modified fore limbs
Last Answer : (4) Modified fore limbs Explanation: The wings are modified forelimbs of birds which are the key to bird flight. Each wing composed of three limb bones, the humerus, ulna and radius.
Description : Potato is a modified form (outgrowth) of?
Last Answer : stem
Description : Evolutionary important character of Selaginella is (a) heterosporous nature (b) rhizophore (c) strobili (d) ligule.
Last Answer : (a) heterosporous nature
Last Answer : Modified fore limbs
Description : The basic underlying principle of using a mist propagation system is that it: a. Keeps the propagation medium uniformly moist and supplies moisture to the base of the cuttings b. ... medium to promote root formation and development d. Increases humidity around the cutting and reduces transpiration
Last Answer : Increases humidity around the cutting and reduces transpiration