Recent questions tagged medium

The metal that cannot be obtained by electrolysis of an aqueous solution of its salts is

asked Apr 7, 2014 by sreemathi.v

1 answer

If Z is a compressibility factor, van der Waals equa- tion at low pressure can be written as:

asked Apr 7, 2014 by sreemathi.v

1 answer

The pressure that has to be applied to the ends of a steel wire of length $10\; cm$ to keep its length constant when its temperature is raised by $100^{\circ}$ is (For steel, Young's modulus is $2 \times 10^{11} Nm^{-2}$ and coefficient of thermal expansion is $1.1 \times 10^{-5}K^{-4})$

asked Apr 7, 2014 by meena.p

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Which one of the following properties is not shown by NO ?

asked Apr 7, 2014 by sreemathi.v

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Emerson effect indicates the existence of

asked Apr 7, 2014 by sreemathi.v

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Red drop occurs in wave length of

asked Apr 7, 2014 by sreemathi.v

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Red drop is

asked Apr 7, 2014 by sreemathi.v

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The number of light quanta required for evolution of one molecule of oxygen is called

asked Apr 7, 2014 by sreemathi.v

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How much energy is utilised in the synthesis of one molecule of glucose

asked Apr 7, 2014 by sreemathi.v

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Given the Assertion and Reason below, Choose one of the following responses $\begin{array}{1 1}\text{Assertion:Photosynthesis is regarded as an oxidation reduction process.}\\\text{Reason:The transport involves step by step transport of electrons in non-cyclic and cyclic electron transport wherein oxidation of one substance coupled with reduction of another substance takes place.}\end{array}$

asked Apr 7, 2014 by sreemathi.v

1 answer

Dark reaction in photosynthesies is called because

asked Apr 7, 2014 by sreemathi.v

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The maximum evolution of oxygen is by

asked Apr 7, 2014 by sreemathi.v

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The process of photophorylation was discover by

asked Apr 7, 2014 by sreemathi.v

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If $f_k(x) = \large\frac{1}{k}$$(\sin^k x + \cos^k x)$, where $x\in R$ and $k \geq 1$. The $f_4(x) - f_6(x)$ equals

asked Apr 6, 2014 by balaji.thirumalai

1 answer

If $a\in R$ and the equation $-3 (x-[x])^2 + 2(x-[x])+a^2 = 0$, (where $[x]$ denotes the greatest integer $\leq x$) has no integral solution, then all possible values lie in the interval:

asked Apr 6, 2014 by balaji.thirumalai

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Choose the odd one out : (on the basis of oestrous and menstrual cycle)

asked Apr 4, 2014 by pady_1

1 answer

Asexual reproduction : 1. Cell division is itself a mode of reproduction in Protists and Monerans. 2. Many single-celled organisms reproduce by binary fission, where a cell divides into two halves and each rapidly grows into an adult (e.g., Amoeba, Paramecium). 3. In yeast, the division is unequal and small buds are produced that remain attached initially to the parent cell which, eventually gets separated and mature into new yeast organisms. Regarding 1, 2 and 3 :

asked Apr 4, 2014 by pady_1

1 answer

The gynoecium may consist of a single pistil or may have more than one pistil . When there are more than one, the pistils may be fused together or may be free ___ . Identify A and B:

asked Apr 4, 2014 by pady_1

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Identify A, B, C and D in order in the picture and identify the type of fruit shown - choose the appropriate option :

asked Apr 4, 2014 by pady_1

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Choose the odd one out : (on the basis of number of ovules)

asked Apr 4, 2014 by pady_1

1 answer

Apomixis is

asked Apr 4, 2014 by pady_1

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Fruits: 1. There are a few species in which fruits develop without fertilisation. 2. Fruits developing without fertilisation are called parthenocarpic fruits. 3. Parthenocarpy can be induced through application of growth hormones 4. Parthenocarpic fruits are usually seeded. Regarding 1, 2, 3 and 4 :

asked Apr 4, 2014 by pady_1

1 answer

Which of the following correctly denotes the catalyst and promoter used in Haber's process for manufacture of ammonia, respectively?

asked Apr 4, 2014 by mosymeow_1

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Which of the following properties are of lyophilic colloids?

asked Apr 4, 2014 by mosymeow_1

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Micelles are what type of colloids?

asked Apr 4, 2014 by mosymeow_1

1 answer