Recent questions tagged 140

Polyblend, a fine powder of recycled modified plastic, has proved to be a good material for:

asked Jul 8, 2019 by pady_1

2 answers

$\displaystyle\lim_{x \to \infty} \frac{1}{\sin^2 x} - \frac{1}{\sin h^2 x}$ is equal to :

asked Dec 19, 2018 by pady_1

0 answers

If $|\overrightarrow{a}| = 3, \; |\overrightarrow{b}| = 4$ and $|\overrightarrow{a} + \overrightarrow{b}| = 1$, then $|\overrightarrow{a} - \overrightarrow{b}|$ is equal to :

asked Dec 19, 2018 by pady_1

0 answers

If $OACB$ is a parallelogram with $\overrightarrow{OC} = \overrightarrow{a} $ and $\overrightarrow{AB} = \overrightarrow{b}$, then $\overrightarrow{OA}$ is equal to :

asked Dec 19, 2018 by pady_1

0 answers

If $h(x) = x^{x^2}$, then at $x=1$ $\frac{h'(x)}{h(x)}$ is equal to :

asked Dec 11, 2018 by pady_1

0 answers

In the followig benzyl/allyl system <br> <br> decreasing order of inductive effect is :

asked Dec 11, 2018 by pady_1

0 answers

Complete hydrolysis of cellulose gives :

asked Dec 11, 2018 by pady_1

0 answers

A triangular park is enclosed on two sides by a fence and on the third side by a straight river bank. The two sides having fence are of same length $x$. The maximum area enclosed by the park is :

asked Nov 13, 2018 by pady_1

0 answers

The reaction <br> <br>is fastest when $X$ is :

asked Nov 5, 2018 by pady_1

0 answers

Which of the following is the strongest base ?

asked Nov 5, 2018 by pady_1

1 answer

All of the following are part of an operon except

asked Aug 21, 2018 by pady_1

1 answer

Radioactive material 'A' has decay constant '8 $\lambda$' and material 'B' has decay constant '$\lambda$'. Initially they have same number of nuclei. After what time, the ratio of number of nuclei of material 'B' to that 'A' will be $\frac{1}{e}$ ?

asked Aug 21, 2018 by pady_1

1 answer

Two non-mixing liquids of densities $\rho$ and $n \rho \;(n > 1)$ are put in a container. The height of each liquid is $h$. A solid cylinder of length $L$ and density $d$ is put in this container. The cylinder floats with its axis vertical and length pL $(p < 1)$ in the denser liquid. The density $d$ is equal to :

asked Aug 21, 2018 by pady_1

1 answer

The Young’s modulus of steel is twice that of brass. Two wires of same length and of same area of cross section, one of steel and another of brass are suspended from the same roof. If we want the lower ends of the wires to be at the same level, then the weights added to the steel and brass wires must be in the ratio of :

asked Aug 21, 2018 by pady_1

1 answer

Choose the correctly matched pair:

asked Aug 20, 2018 by pady_1

1 answer

The H-zone in the skeletal muscle fibre is due to

asked Aug 20, 2018 by pady_1

1 answer

The highest number of species in the world is represented by

asked Aug 20, 2018 by pady_1

1 answer

Which one of the following shows maximum genetic diversity in India ?

asked Aug 16, 2018 by pady_1

1 answer

Ovary is half-inferior in the flowers of –

asked Jul 26, 2018 by pady_1

1 answer

Palisade parenchyma is absent in leaves of -

asked Jul 26, 2018 by pady_1

1 answer

Vascular tissues in flowering plants develop from:

asked Jul 26, 2018 by pady_1

1 answer

Opening of floral buds into flowers, is a type of:

asked Jul 26, 2018 by pady_1

1 answer

Which one of the following is the correctly matched pair of an endangered animal and a National Park ?

asked Jul 25, 2018 by pady_1

1 answer

Epithelial cells of the intestine involved in food absorption have on their surface -

asked Jul 24, 2018 by pady_1

0 answers

Dough kept overnight in warm weather becomes soft and spongy becauses of :-

asked Jul 24, 2018 by pady_1

1 answer

What used to be described as Nissel granules in a nerve cell are now identified as : -

asked Jul 24, 2018 by pady_1

1 answer

Best material for the study of mitosis in laboratory : -

asked Jul 23, 2018 by pady_1

1 answer

Adventive embryony in citrus is due to : -

asked Jul 20, 2018 by pady_1

1 answer

Erythroblastosis foetalis is caused when :

asked Jul 20, 2018 by pady_1

1 answer

Agent orange is :

asked Jun 15, 2018 by pady_1

1 answer

Price of 1 metre cloth is $ 49.75. Find the price of 16 metres of cloth.

asked Dec 31, 2015 by pady_1

0 answers

Ask Questions, Get Answers