The most common ore of iron is _____ . (calamine / haematite)

The most common ore of iron is _____ . (calamine / haematite)

Read More
Nitrogen bonds are present between the complementary nitrogenous bases of DNA

Nitrogen bonds are present between the complementary nitrogenous bases of DNA.

Correct the following statements by changing the underlined words:

Read More
How has composting proven to be a great help in managing waste

How has composting proven to be a great help in managing waste?

Read More
Name two states of India where Black soil is found

Name two states of India where this type of soil is found.

Read More
Action of hot and concentrated Nitric acid on copper

Action of hot and concentrated Nitric acid on copper.

Write balanced chemical equation.

Read More
A survey regarding height (in cm) of 60 boys belonging to Class 10

Use Graph paper for this question.

A survey regarding height (in cm) of 60 boys belonging to Class 10 of a school was conducted. The following data was recorded:

Taking 2 cm = height of 10 cm along...

Read More
The diagram of an apparatus given below demonstrates a particular process in plants

The diagram of an apparatus given below demonstrates a particular process in plants. Study the same and answer the questions that follow:

  1. Name the apparatus.
  2. Which phenomenon is demonstrated by this
  3. ...
Read More
Study the picture given below and answer the questions

Study the picture given below and answer the questions that follow:

  1. Mention the climatic condition that is suitable for the cultivation of this crop.
  2. Name the state that produces the largest amount
  3. ...
Read More
Write the equation for the formation of aluminum at the cathode during the electrolysis of alumina

Write the equation for the formation of aluminum at the cathode during the electrolysis of alumina.

Read More
Hydathodes

Hydathodes

Mention the exact location of the following:

Read More
Advisory and Revisory Jurisdiction of the Supreme Court

Advisory and Revisory Jurisdiction of the Supreme Court.

Read More
Ray Douglas Bradbury’s short story: All Summer in a Day

Answer the following questions with reference to Ray Douglas Bradbury’s short story, ‘All Summer in a Day’

Read More
Mrs Boyle: I am Mrs Boyle. (She puts down the suitcase)

Read the extract given below and answer the questions that follow:

Mrs Boyle: I am Mrs Boyle. (She puts down the suitcase)

Giles: I’m Giles Ralston. Come in to the fire. Mrs Boyle, and get warm. (Mrs...

Read More
The power of a lens is -5D

The power of a lens is -5D.

  1. Find its focal length.
  2. Name the type of lens.
Read More
The immunity acquired by providing readymade antibodies

The immunity acquired by providing readymade antibodies from outside for treating certain infectious diseases.

Read More
Which property of sulphuric acid is shown by the reaction of concentrated sulphuric acid with

Which property of sulphuric acid is shown by the reaction of concentrated sulphuric acid with:

  1. Ethanol?
  2. Carbon?
Read More