Recent questions tagged 142

Select the correct option

asked Jul 8, 2019 by pady_1

1 answer

$\displaystyle\lim_{x \to 0} \frac{\sin ax}{\sin bx} $ is equal to :

asked Dec 19, 2018 by pady_1

0 answers

If $\overrightarrow{a} = 3 \hat{i} - 2 \hat{j} + \hat{k}$ and $\overrightarrow{b} = \hat{i} + 2 \hat{j} + 5 \hat{k}$, then the unit vectors along $\overrightarrow{a} - \overrightarrow{b}$ is :

asked Dec 19, 2018 by pady_1

0 answers

If two out of the three vectors are unit vectors. $\overrightarrow{a} + \overrightarrow{b} + \overrightarrow{c} = 0$ and $2(\overrightarrow{a} . \overrightarrow{b} + \overrightarrow{b} . \overrightarrow{c} + \overrightarrow{c} . \overrightarrow{a} ) + 3 = 0$, then the third vector is of length :

asked Dec 19, 2018 by pady_1

0 answers

If $y_{_k}$ is the $k^{th}$ derivative of $y$ with respect to $'x'$ and $y = \cos (\sin x)$, then $y_{_1} \sin x+y_{_2} \cos x$ is equal to :

asked Dec 11, 2018 by pady_1

0 answers

Following types of compounds (as $I, II$) <br> $(I) CH_3 CH = CH CH_3 $ <br> (II) <br> are studied in terms of isomerism in :

asked Dec 11, 2018 by pady_1

0 answers

The substance not likely to contain $CaCO_3$ is :

asked Dec 11, 2018 by pady_1

0 answers

If $x^m y^n = (x+y)^{m+n}$, then $\frac{dy}{dx}$ is :

asked Nov 13, 2018 by pady_1

0 answers

Which of the following statements in relation to the hydrogen atom is correct ?

asked Nov 5, 2018 by pady_1

0 answers

The compound formed on heating chlorobenzene with chloral in the presence concentrated sulphuric acid is

asked Nov 5, 2018 by pady_1

2 answers

Match the item given in Column I with those in Column II and select the correct option given below : <br>

asked Aug 21, 2018 by pady_1

1 answer

The ratio of resolving powers of an optical microscope for two wavelengths $\lambda_1 = 4000\; \mathring{A}$ and $\lambda_2 = 6000\;\mathring{A}$ is

asked Aug 21, 2018 by pady_1

1 answer

The charge flowing through a resistance $R$ varies with time $t$ as $Q = at – bt^2$ , where $a$ and $b$ are positive constants, The total heat produced in R is :

asked Aug 21, 2018 by pady_1

1 answer

A particle is executing a simple harmonic motion. Its maximum acceleration is $\alpha$ and maximum velocity is $\beta$. Then, its time period of vibration will be:

asked Aug 21, 2018 by pady_1

1 answer

In'S' phase of the cell cycle:

asked Aug 20, 2018 by pady_1

1 answer

The Golgi complex plays a major role

asked Aug 20, 2018 by pady_1

1 answer

Which one of the following microbes forms symbiotic association with plants and helps then in their nutrition

asked Aug 20, 2018 by pady_1

1 answer

Which one of the following acts as a physiological barrier to the entry of microorganisms in human body ?

asked Aug 16, 2018 by pady_1

1 answer

The one aspect which is not a salient feature of genetic code, is its being –

asked Jul 26, 2018 by pady_1

1 answer

Anatomically fairly old dicotyledonous root is distinguished from the dicotyledonous stem by :

asked Jul 26, 2018 by pady_1

1 answer

Which one of the following pairs of organs includes only the endocrine glands?

asked Jul 26, 2018 by pady_1

1 answer

One gene-one enzyme relationship was established for the first time in:

asked Jul 26, 2018 by pady_1

1 answer

Sulphur is an important nutrient for optimum growth and productivity in-

asked Jul 25, 2018 by pady_1

1 answer

The catalytic efficiency of two different enzymes can be compared by the -

asked Jul 24, 2018 by pady_1

1 answer

A male human is heterozygous for autosomal genes A and B and is also hemizygous for hemophilic gene h. What proportion of his sperms will be abh :-

asked Jul 24, 2018 by pady_1

1 answer

Two crosses between the same pair of genotypes or phenotypes in which the sources of the gametes are reversed in one cross, is known as : -

asked Jul 24, 2018 by pady_1

1 answer

Which of the following is without exception in Angiosperms : -

asked Jul 23, 2018 by pady_1

1 answer

Which set is similar : -

asked Jul 20, 2018 by pady_1

1 answer

Which statement is true for WBC :

asked Jul 20, 2018 by pady_1

2 answers

Hollow air filled bones (pneumatic bones) occurs in :

asked Jun 15, 2018 by pady_1

1 answer

Find the missing number. 1.11 + ___________ = 4.09

asked Dec 31, 2015 by pady_1

0 answers

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