Recent questions in 1998

The periderm includes :

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Transfusion tissue is present in the leaves of :

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Two opposite forces operate in the growth and development of every population. One of them related to the ability to reproduce at a given rate. The force opposite to it is called :

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Effect of anaesthetics on body :

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Sewage purification is performed by :

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Temperature variation in Pacific ocean in present time is called :

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Botulism affects :

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Segments of DNA which can move in genome :

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Correct sequence of embryo development :

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A male insect mistakes a flower of orchid to be its female due to shape and perform the act of copulation and induce pollination. This is an example of :

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On Galopagos island Darwin observed variation in beaks of birds (Darwin's finches) and he concluded :

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In present times the origin of life is not possible from inorganic compounds due to :

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1 answer

In which biome a new plant may adapt soon :

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Beside $CH_4$ and $CO_2$ other green house gas from agriculture area :

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Reason for elimination of wild life is :

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Growth of leaf primordia :

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Which destroys the acetyl choline esterase :

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Modern farmer's can increase the yield of Paddy upto 50% by the use of :

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Walking fern name of Adiantum is due to :

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2 answers

ABO blood group have :

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Effect of light and dark rhythm on plants :

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Embryo of sunflower have :

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Genetic drift in mendelian population takes place in :

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Variations in proteins are due to :

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Which of the following most used in genetic engineering :

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Transduction in bacteria carried out by :

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What change occurs during conversion of proto chlorophyll to chlorophyll :

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Symptoms of Lathyrism :

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Mental retardness in man occur due to :

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Which of the following survives a temperature of 104 to 106ºC :

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Arterial blood pressure in human beings :

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Histamine secreted by :

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What occurs in crossing over :

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Bacteria are essential in carbon cycle as :

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According to five kingdom system blue green algae belongs to :

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Difference between eukaryotes and prokaryotes:

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Role of microtubules :

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Total amount of energy trapped by green plants in food is called :

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Oxidation of palmitic and yield :

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Unit of contraction :

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Contractile protein is :

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A normal leaf cell have how many genomes :

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Osmotic potential and water potential of pure water respectively :

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Function of thyrocalcitonin :

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CO is harmful because :

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In S–phase, DNA is replicated in a medium containing radioactive thymidine, radioactivity will be observed in :

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Oral contraceptives contain :

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Transport of gases in alveoli takes place by :

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In angiosperm, characters of flowers are used in classification because :

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Which characteristic is true for Obelia :

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