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What is Apogamy and apospory?
Subjecting the growing of a biennial plant to a cold treatment stimulates a subsequent photoperiodic flowering response. Explain.
Sweet potato is the modification of
a) stem b) adventitious root c) tap root d) none of these
what is autoclaved herring sperm DNA ?
what would happen if meristems cease to divide? does this ever happen?
What is 'Plasmatic Growth'?
''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 conspicuous nuclei?
Give 3 differences between arithmetic geometric growth.
what is dormancy and abscission??
what is meant by rosette habit?
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 richmond lang effect?
distinguish between polysepalous and gamosepalous calyx
why are auxins present in human urine??
what is Vernalization???????????
what are meristems, lateral meristems, vascular cambium, and cork cambium??
describe a tumour using the terms differentiation, dedifferentiation, redifferentiation
difference between absolute and realtive growth rate.
give examples of open differentiation correlating the position of a cell to its position in an organ.
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 function of ethylene.
WHAT IS -VE AND +VE ALLOSTERIC MODULATION??
how is the process of vernalisation advantageous to plant..?
What do we mean by the statement, " The fruits can be left on the tree longer so as to extend the 'market period' " ??
what is the importance of bolting in rosette plants ?
c)Sigmoid growth curve
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
give examples of protoplasmic modifications.
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?
for any and every phase of growth,differentiation and development of plants, one or the other PGR has some
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.
differences between photoperiodism & vernalization
What is a-amylase test? (Here 'a' stands for alpha)
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
wat do u mean by "speed up the malting process in brewing"???
WHAT WAS F W WENT EXPERIMENT OF ISOLATED AUXINS ???????
Desert animals need to conserve water. Kidneys regulate the concentration of salt and water in blood through the formation and excretion of urine. A kidney is composed of approx. 1 million units called nephrons. The kidneys of desert animals have modofied nephrons which help them survive long period without water. Which one of these options would be the expected modification?
1. A very short collecting duct
2. A very long loop of Henle
3. A very short distal tubule
4. A very large Bowman's capsule
how to get the sample papers of UP board for class12? FRIENSDS please help
WHAT IS INTUSSUSCEPTION AND APPOPOSITION?
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