Lives of models of refrigerators A and B, obtained in a survey are given below :

Which refrigerator model would you suggest to purchase ?

In a wheat field, some broad leaved weeds were seen by a farmer. Which plant hormone would you suggest to get rid of them?

From the data given below state which group is more variable A or B?

The demand of different shirt sizes, as obtained by a survey, is given below: Size:, 37,38, 39, 40, 41, 42, 43, 44, total No. of Person (wearing it):, 26, 39, 20, 15, 13, 7, 5, 125 Find the modal shirt sizes, as observed from the survey.

a.Identify which of the above pictures shows particle arrangement in solids, liquids and gases. Write in the space below each picture. b. Which state of matter would you expect to show a fixed volume? c. Why do you think gases can flow whereas solids cannot?

How would you obtain a sol of Agl, the particles of which migrate toward cathode under the electric field ?

Number of children in six different classes are given below. Represent the data on a bar graph.(a) How would you choose a scale.(b) Answer the following questions:(i) Which class has the maximum number of children? And the minimum?(ii) Find the ratio of students of class sixth to the students of class eight.

Given below are four structure. Study the same and answer the questions given below: Structure B is formed from which organelle?

The mileage (km per litre) of 50 cars of the same model was tested by a manufacture and details are tabulated as given below Find the mean mileage. The manufacture claimed that the mileage of the model was 16 kmL. Do you agree with this claim?

You are given a tissue with its potential for differentiation in an artificial culture .Which of the following pairs of hormones would you add to the medium to secure shoots as well as roots

You are given a tissue with its potential for differentiation in an artificial culture .Which of the following pairs of hormones would you add to the medium to secure shoots as well as roots