Recent questions in 2014

A location with luxuriant growth of lichens on the trees indicates that the :

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An example of ex situ conservation is :

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Which vector can clone only a small fragment of DNA?

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An alga which can be employed as food for human beings:

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In vitro clonal propagation in plants in characterized by:

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An analysis of chromosomal DNA using the Southern hybrization technique does not use:

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The first human hormone produced by recombinant DNA tecnology is:

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Viruses have :

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Fruit colour in squash is an example of:

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Transformation was discovered by:

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Which one of the following is wrongly matched?

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Which of the following showns coiled RNA strand and capsomeres?

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Non- albuminous seed is produced in:

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Function of filiform apparutus is to :

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Pollen tablets are avalable in the market for:

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An aggregate fruit is one which devloped from

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Male gametophyte with least number of cells is present in :

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Geitonogamy involves

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Which one of the following growth regulators is known as stress hormone?

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A few normal seedling of tomato were kept in a dark room.After few days they were found to have become white- coloured like albions , Which of the following terms will you use to describe them ?

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Anoxygenic photosynthesis is characteristic of:

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In which one of the following processes $CO_2$ is not released?

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Deficiency symptoms of nitrogen and potassium are visible first in:

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Dr F. Went noted that if coleoptile tips were removed and placed on agar for one hour, the agar would produce a bending when placed on one side of freshly- cut coleoptile stumps. Of what significance is this experiment ?

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Match the following and select the correct answer : <br>

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During which phase(s) of cell cycle, amount of DNA in a cell remains at 4 C level if the initial amount is denoted as 2C ?

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The osmotic expansion of a cell kept in water is chiefly regulated by:

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The solid linear cytoskeletal elements having a diameter of 6 nm and made up of a single type of monomer are known as:

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Which structures perform the function of mitochondria in bacteria?

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An example of edible underground stem is:

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Tracheids differ from the tracheary elements in :

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Which one of the following statements is correct?

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You are given a fairly old piece of dicot stem and a dicot root. Which of the following anatomical structures will your use to distinguish between the two?

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When the margins of sepals or petals overlap one another without any particular direction, the condition is termed as:

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Placenta and pericarp are both edible portions in :

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Which of the following is responsible for peat formation?

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Which one of the following is wrong about Chara?

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Archaebacteria differ from eubacteria in:

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Which one of the following fungi contains hallucinogens?

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Five kingdom system of classification suggested by R.H. Whittaker is not based on:

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the following shows isogamy with non-flagellated gametes?

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Which of the following organic compounds has same hybridization as its combustion product -($CO_2$)?

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Identity Z in the sequence of reactions : <br> $CH_3 CH_2 CH = CH_2 \xrightarrow{HBr/H_2O_2} Y \xrightarrow{C_2H_5ONa} Z$

asked Aug 20, 2018 by pady_1

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Which one is most reactive towards Nucleophilic addition reaction ?

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Which of the following will not be soluble in sodium hydrogen carbonate?

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Among the following sets of reaction which one produces anisole?

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What products are formed when the following compound is treated with $Br_2$ in the presence of $FeBr_3$ ? <br>

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In the Kjedahl's method for estimation of nitrogen present in soil sample, ammonia evolved from 0.75g of sample neutralized 10 ml. of 1M $H_2SO_4$ The percentage of nitrogen in the soil is:

asked Aug 20, 2018 by pady_1

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Which one of the following is not a common component of Photochemical Smog?

asked Aug 20, 2018 by pady_1

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Which of the following organic compounds polymerizes to form the polyester Dacron?

asked Aug 20, 2018 by pady_1

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