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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
describe a tumour using the terms differentiation, dedifferentiation, redifferentiation
what is autoclaved herring sperm DNA ?
give examples of open differentiation correlating the position of a cell to its position in an organ.
What is 'Plasmatic Growth'?
what would happen if meristems cease to divide? does this ever happen?
Give 3 differences between arithmetic geometric growth.
what is dormancy and abscission??
examples of open differentiation correlating the position of a cell to its position in an organ?
decapitaion is largely applied in hedge making and tea plantations .why ?
what are plasmodesmatal connections?
what is richmond lang effect?
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?
distinguish between polysepalous and gamosepalous calyx
in which of the following respect the plant hormones differ from enzymes 1] required in less quantity 2]they are expanded in the process 3] they release some energy 4] none of the above
why are auxins present in human urine??
what are meristems, lateral meristems, vascular cambium, and cork cambium??
what is conspicuous nuclei?
difference between absolute and realtive growth rate.
Plant growth is open type of growth.Discuss?
difference between auxin and cytokinin
What is function of gibberellines
Manganese is required in photolysis of water during photosynthesis,What is the meaning of this statement?
what is intercalary meristem?
what is Vernalization???????????
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..??
teacher , plz give a list of plants that show hypogeal and epigeal germination.
specially mention in which category these plants fall - sunflower, castor, groundnut
removal of shoot tips results in growth of lateral buds. why?
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?
''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.?
differences between photoperiodism & vernalization
A primary root grows 5cm to 19m in a week. Calculate the growth rate and relative growth rate over the period.
What is a-amylase test? (Here 'a' stands for alpha)
c)Sigmoid growth curve
The term heterosis was first coined by...????
What is bolting experiment? How can it be induced by which growth regulators?
show diffrent phases of growth in plants with conditons?
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 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
functions of auxin , gibberellins , cytokinin , ethylene , abscissic acids ?
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