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What is Apogamy and apospory?
what would happen if meristems cease to divide? does this ever happen?
Sweet potato is the modification of
a) stem b) adventitious root c) tap root d) none of these
why are auxins present in human urine??
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 conspicuous nuclei?
Give 3 differences between arithmetic geometric growth.
what is dormancy and abscission??
decapitaion is largely applied in hedge making and tea plantations .why ?
give examples of open differentiation correlating the position of a cell to its position in an organ.
what are plasmodesmatal connections?
Subjecting the growing of a biennial plant to a cold treatment stimulates a subsequent photoperiodic flowering response. Explain.
can we call the swelling of wood piece when we put it in water as its growth,why?
what is richmond lang effect?
describe a tumour using the terms differentiation, dedifferentiation, redifferentiation
distinguish between polysepalous and gamosepalous calyx
what are meristems, lateral meristems, vascular cambium, and cork cambium??
difference between absolute and realtive growth rate.
what are plasmodesmatal connections ?
Plant growth is open type of growth.Discuss?
difference between auxin and cytokinin
WHAT IS INTUSSUSCEPTION AND APPOPOSITION?
What is function of gibberellines
what is meant by rosette habit?
Manganese is required in photolysis of water during photosynthesis,What is the meaning of this statement?
legume seeds exhibit dormancy because of 1] undeveloped embryos 2] hard seed coat 3]absence of cytokinis 4] absence of gibberellic acid
what is Vernalization???????????
plant growth is generally indeterminate. explain
What is function of ethylene.
WHAT IS -VE AND +VE ALLOSTERIC MODULATION??
how is the process of vernalisation advantageous to plant..?
What are the advantages of bolting?
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
give examples of protoplasmic modifications.
what is parthenocarpy..??
what are the factors that affect the plant growth?
teacher , plz give a list of plants that show hypogeal and epigeal germination.
specially mention in which category these plants fall - sunflower, castor, groundnut
five main groups of natural plant growth regulators. Write a note on
discovery, physiological functions and agricultural/horticultural
applications of any one of them.
What is senescence?
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?
differences between photoperiodism & vernalization
Does the growth pattern in plants differ from that in animals? Do all the parts of the plant grow indefinitely? If not , name the regions , which can grow indefinitely.
What is a-amylase test? (Here 'a' stands for alpha)
c)Sigmoid growth curve
The term heterosis was first coined by...????
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
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 ???????
give a note on bakane (f o o l i s h seedling) disease
how to get the sample papers of UP board for class12? FRIENSDS please help
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
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