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What is Apogamy and apospory?
Sweet potato is the modification of
a) stem b) adventitious root c) tap root d) none of these
Subjecting the growing of a biennial plant to a cold treatment stimulates a subsequent photoperiodic flowering response. Explain.
what is autoclaved herring sperm DNA ?
''2,4 - D widely used to kill dicotyledonous weeds , does not affect mature moocotyledonous plants. ''
why does it afffect oly dicotyledonous weeds and not monocotyledonous weed.?
What is 'Plasmatic Growth'?
what is meant by rosette habit?
what would happen if meristems cease to divide? does this ever happen?
Give 3 differences between arithmetic geometric growth.
what is conspicuous nuclei?
what is dormancy and abscission??
decapitaion is largely applied in hedge making and tea plantations .why ?
what are plasmodesmatal connections?
can we call the swelling of wood piece when we put it in water as its growth,why?
WHAT IS INTUSSUSCEPTION AND APPOPOSITION?
what is richmond lang effect?
distinguish between polysepalous and gamosepalous calyx
why are auxins present in human urine??
what are meristems, lateral meristems, vascular cambium, and cork cambium??
Plant growth is open type of growth.Discuss?
difference between absolute and realtive growth rate.
difference between auxin and cytokinin
What would be expected to happen ? If
a-GA3 is applied to rice seedling.
b- a rotten fruit get mixed with unripe fruits.
c-You forget to add cytokinin to the culture medium.
give examples of open differentiation correlating the position of a cell to its position in an organ.
what is Vernalization???????????
What is function of gibberellines
Manganese is required in photolysis of water during photosynthesis,What is the meaning of this statement?
What do we mean by the statement, " The fruits can be left on the tree longer so as to extend the 'market period' " ??
What will be the direction of movement of water , when a solution A having water potential of - 9 bars and another solution B - 4 bars is separated by a semipermeable membrane?and WHy?
What is function of ethylene.
WHAT IS -VE AND +VE ALLOSTERIC MODULATION??
how is the process of vernalisation advantageous to plant..?
what is the importance of bolting in rosette plants ?
TREATMENT OF SEED AT LOW TEMPERATURE UNDER MOIST CONDITION TO BREAK ITS DORMANCY IS CALLED 1] SACRIFICATION 2] VERNALIZATION 3] CHELATION 4]STARTIFICATION
what is parthenocarpy..??
What is Vernalisation???????
teacher , plz give a list of plants that show hypogeal and epigeal germination.
specially mention in which category these plants fall - sunflower, castor, groundnut
wat is zeatin
five main groups of natural plant growth regulators. Write a note on
discovery, physiological functions and agricultural/horticultural
applications of any one of them.
THE NATURAL PLANT HORMONES WERE FIRST ISOLATED FROM ...1] CORN GERM OIL & HUMAN URINE 2] COTTON FRUITS SPINACH LEAVES & RICE PLANTS 3] AVENA COLEOPTILE SPINACH LEAVES & THE FUNGUS GIBBERELLA 4]HUMAN URINE & RICE SEEDLING
What is senescence?
describe a tumour using the terms differentiation, dedifferentiation, redifferentiation
differences between photoperiodism & vernalization
what is differece b/wapicalmeristem n lateral meristem?
What is a-amylase test? (Here 'a' stands for alpha)
c)Sigmoid growth curve
what is the effect on theflowering of a plant if flash of red light is followed by a flash of farred light '....1]fiowering is increased 2]fiowering is decreased 2]flowering is stopped 4] effect of red flash is reversed
The term heterosis was first coined by...????
what is the part of the plant which detects light/darkness
show diffrent phases of growth in plants with conditons?
WHAT ARE THE TYPICAL DIFFERENCES BETWEEN DIFFERENTIATION ,DEDIFFERENTIATION AND REDIFFERENTIATION? EXPLAIN
WHAT WAS F W WENT EXPERIMENT OF ISOLATED AUXINS ???????
how to get the sample papers of UP board for class12? FRIENSDS please help
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