Dormancy in plant and seed is mainly due to a. Environmental factor b. Physiological factor c. a & b d. None

Dormancy in plant and seed is mainly due to
a. Environmental factor
b. Physiological factor
c. a & b
d. None
by

1 Answer

Answer :

a & b
by

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Stage at which seed achieves it maximum dry weight and has maximum germination potential and vigor is: a. Physiological maturity b. Edible maturity c. Harvest maturity d. None of above

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Dormancy of seed is a biological mechanisms that provides protection against ______: a. Seed spoilage b. Embryo abortion c. Pre mature germination d. Dehydration

Description : Dormancy of seed is a biological mechanisms that provides protection against ______: a. Seed spoilage b. Embryo abortion c. Pre mature germination d. Dehydration

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Seed potato seed has a. Dormancy b. Rest period c. Both of these d. None of these

Description : Seed potato seed has a. Dormancy b. Rest period c. Both of these d. None of these

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Reduction or elimination of dormancy in crop plant is due to : a. Domestication b. Hybridization c. Mutation h. Acclimatization

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Spongy tissue in mango is due to a. Fungul disease b. Viral disease c. Bacterial disease d. Physiological disorder

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Secondary dormancy in non dormant seeds is due to: j. Temperature a. Moisture b. Aeration c. Ligh

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Physiological aging activity in which plant tissues degenerate and ultimately die is called a. Senescence b. Ripening c. Climacteric d. Degeneration

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Anthracnose of mango is: a. Fungal disease b. Viral disease c. Physiological disorder d. Non of these

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Dormancy is a function of interaction of growth promoter like GA and growth inhibitor like _________: a. ABA b. Cycocell c. Alar d. Paclobutrazole

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Dormancy can be broken by the use of: a. Thiourea b. Ethlene chlorohydrin c. Ethylene acetylene d. All of the above

Description : Dormancy can be broken by the use of: a. Thiourea b. Ethlene chlorohydrin c. Ethylene acetylene d. All of the above

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Dormancy of seeds are broken by a. GA b. Ethylene c. Water d. None of above

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Dormancy period in potato is about a. 2 Months b. 1 Month c. 3 Months d. ½ Month

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Potato dormancy can be broken through a. Chemical treatment b. Low temperature c. Both of these d. None of these

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Rest is a natural process in a. Seed b. Seed & plant c. Plant d. Tropical plant

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Study of plant species in relation to its environmental history is called: a. Phylogeny b. Histology c. Ontogeny d. None of these

Description : Study of plant species in relation to its environmental history is called: a. Phylogeny b. Histology c. Ontogeny d. None of these

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Honey extracted from almond flower is inedible due to: a. Amygdalus factor b. Oxalic acid c. a & b d. None

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Fruit splitting in pomegranate and litchi is due mainly to: a. Water pressure b. Dry ness of air c. Nutritional defects d. All of above

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Researchers describe seed moisture contents in terms of : a. Dry weight b. Wet weight c. Percent weight d. a & b

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Tetrazolium test to check seed viability is a. Chemical test b. Enzyme test c. Germination test d. a & c

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The acceleration of flowering by manipulating environmental conditions is known as: a. Pulsing b. Forcing c. Leaching d. After-ripening

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Last Answer : Forcing

Male sterily is not due to a. Genetic factor b. Genome factor c. Cytogenetic factor d. Nutritional factor

Description : Male sterily is not due to a. Genetic factor b. Genome factor c. Cytogenetic factor d. Nutritional factor

Last Answer : Nutritional factor

The dormancy due to hard seed coat or impermeable seed coats

Description : The dormancy due to hard seed coat or impermeable seed coats

Last Answer : Ans. Scarification

Seed dormancy is due to?

Description : Seed dormancy is due to?

Last Answer : Abscisic acid

Seed dormancy is due to the (a) ethylene (b) abscisic acid (c) IAA (d) starch.

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In plants auxin are mainly present in: a. Root tips b. Stem end c. Shoot tips d. Leaf margins

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These vegetables are mainly raised through nursery : a. Tomato, Chillies b. Cucumber, watermelon c. Radish, turnip d. None of above

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Tomato varieties are mainly: a. Indeterminate type b. Determinate type c. Both types d. None of these

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Mulches are mainly used to reduce a. Transpiration b. Evaporation c. Evapotranspiration d. All of above

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What environmental changes bring about bud dormancy? -Biology

Description : What environmental changes bring about bud dormancy? -Biology

Last Answer : answer:

What environmental changes bring about bud dormancy? -Biology

Description : What environmental changes bring about bud dormancy? -Biology

Last Answer : Initiation and cessation of dormancy can be triggered by a number of environmental variables: photoperiod, temperature, nutrition, water, an array of chemicals, and shock treatments. Dormancy regulation ... a variety of receptors or involve receptors that are responsive to a variety of stimuli.

Organisms can modify their response to an environmental stress is called a) Dormancy b) adaptation c) behavior d) isolation

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Almond is a drupe fruit, in which the edible portion is: a. Pericarp b. Thalmus c. Seed d. Mesocarp

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Last Answer : Seed

Guava seed before germination requires: a. Fungicide treatment b. Chemical treatment c. Commercial grade H2SO4 treatment d. All of above

Description : Guava seed before germination requires: a. Fungicide treatment b. Chemical treatment c. Commercial grade H2SO4 treatment d. All of above

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Seed germination percentage of rough lemon is: a. 50-60% b. 60-70% c. 70-80% d. 80-90%

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Last Answer : 60-70%

The germination of seed in which cotyledons come above ground is a. Epigeal b. Hypogeal c. Epigynous d. Epipetalous

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The nutritive tissue around the embryo in seed is a. Endosmosis b. Endodermis c. Endosperm d. Embryo-sac

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High seed germination in cucumber occurs under temperature range of: a. 20-25°C b. 25-30°C c. 15-25°C d. None of above

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The fruits which do not naturally open to shed seed are known as: a. Dehiscent fruit b. Fleshy fruit c. Dry fruit d. Indehiscent fruit

Description : The fruits which do not naturally open to shed seed are known as: a. Dehiscent fruit b. Fleshy fruit c. Dry fruit d. Indehiscent fruit

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Ripened ovary is called as: a. Flower b. Seed c. Fruit d. Embryo

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The development of fruit without fertilization or seed is called as: a. Pollination b. polyembryony c. pseudogamy d. Parthenocarpy

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Mushroom seed is called: a. Spawn b. Seed c. Button d. None

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Edible part of pomegranate is a. Seed b. Vesicles c. Mesocarp d. Aril

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Skirt in date palm fruit is a. Exocarp b. Merocarp c. Endocarp d. Seed

Description : Skirt in date palm fruit is a. Exocarp b. Merocarp c. Endocarp d. Seed

Last Answer : Endocarp

Micropyle is an opening in a. Stomata b. Seed c. Ovary d. Flower

Description : Micropyle is an opening in a. Stomata b. Seed c. Ovary d. Flower

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Metaxenia is the impact of a. Pollen on seed b. Pollen on fruit c. Pollen on ovule d. Pollen on ovary

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Seed of strawberry fruit is: a. Achene b. True seed c. Viable seed d. Aborted seed

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Kinnow seed is: a. Polyembryonic b. Monoembryonic c. Multiembryonic d. None

Description : Kinnow seed is: a. Polyembryonic b. Monoembryonic c. Multiembryonic d. None

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Salient factors which contribute to the fruit drop are: a. Embryo abortion b. Seed number of fruit c. Moisture supply d. All of the above

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Botanical seed of potato is a. Seed potato b. Potato seed c. None of above d. Slips

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Quality seed carrot is produced through a. Seed to seed method b. Toping in situ method c. Steeklings d. None of these

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Last Answer : Steekling