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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 ?
what is conspicuous nuclei?
What is 'Plasmatic Growth'?
what is meant by rosette habit?
what would happen if meristems cease to divide? does this ever happen?
why are auxins present in human urine??
Give 3 differences between arithmetic geometric growth.
what is dormancy and abscission??
decapitaion is largely applied in hedge making and tea plantations .why ?
Plant growth is open type of growth.Discuss?
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?
''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.?
distinguish between polysepalous and gamosepalous calyx
what are meristems, lateral meristems, vascular cambium, and cork cambium??
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?
difference between absolute and realtive growth rate.
difference between auxin and cytokinin
give examples of open differentiation correlating the position of a cell to its position in an organ.
What is function of gibberellines
Manganese is required in photolysis of water during photosynthesis,What is the meaning of this statement?
WHAT IS -VE AND +VE ALLOSTERIC MODULATION??
what is Vernalization???????????
What is function of ethylene.
what is vernalisation?
how is the process of vernalisation advantageous to plant..?
what is the importance of bolting in rosette plants ?
who reported that coconut milk contains cytokinin?(Skoog or Steward???)...plz rpy soon.
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 balting process in brewing industry??
what is parthenocarpy..??
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
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 happens when GA3 is applied to rice seedlings.
describe a tumour using the terms differentiation, dedifferentiation, redifferentiation
what is initial lag phase,logarithmic or exponential phase,and stationary phase..... Give some details about all
differences between photoperiodism & vernalization
charles and francis darwin first observed the bending of oat colleoptles. n buk says F. Went isolated them from oat plants. then
our buk says that they auxin was fkrst isolated from human urine. now when did this happen?? it was first seen in oat plant ryt?
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 is kinetins?
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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