The figure given below is a diagrammatic representation of a part of the cross section of the root in the root hair zone. Study the same and then answer the questions that follow:

1. Name the parts
...

The Second half of the 19th century witnessed the growth of a strong feeling of Nationalism. With reference to the statement, answer the following: Explain briefly any three differences in the...

Give the Geographical requirements for the cultivation of Sugarcane.

The particles present in strong electrolytes are:

1. only molecules
2. mainly ions                                                                                                                                                                         
3. ions and molecules
4. only atoms.

Select the ion in each case, that would get selectively discharged from the aqueous mixture of the ions listed below:

(i) SO₄^2-, NO₃^- and OH^-
(ii) Pb²⁺, Ag⁺ and Cu²⁺

What do you mean by the term - Dumping.

Use ruler and compass for this question. Construct a circle of radius 4.5 cm. Draw a chord. AB = 6 cm.

1. Find the locus of points equidistant from A and B. Mark the point where it meets the circle as
...

There is frequent urination in winter than in summer.

Give biological reasons

The drying agent used to dry HCl gas is:

A. Conc. H₂SO₄

B. ZnO

C. Al₂O₃

D. CaO

With reference to black soil: Name one important crop which grows in this soil.

The angle of elevation from a point P of the top of a tower QR, 50 m high is 60^o and that of the tower PT from a point Q is 30^o. Find the height of the tower PT, correct to the nearest metre.

Mention any two economic factors responsible for the growth of nationalism in India.

Squeezing out of white blood cells from the capillaries into the surrounding tissues.

A (2, 5), B (–1, 2) and C (5, 8) are the vertices of a triangle ABC, ‘M’ is a point on AB such that AM: MB = 1: 2. Find the co ordinates of ‘M’. Hence find the equation of the line passing through the...

Why is the base of a cooking pan generally made thick?

Reaction of Ammonia with heated copper oxide.