Answer the following (i) What is the function of nephridia? (ii) How many types of nephridia are found in earthworm based on their location ?

In a locality, there is a man road along North-South direction. The man is given below. With the help of the picture answer the following questions. (i) What is the 3rd object on the left side in street no 3? (ii) Find the name of the 2nd house which is in right side of street 2. (iii) Locate the position of Mr. K's house. (iv) How do you describe the position of the post office. (v) How do you describe the location of the hospital?

Answer the following: (i) How many dimensions a solid has? (ii) How many books are there in Euclid's Elements? (iii) Write the numbers of faces of a cube and cuboid? (iv) What is sum of interior angles of a triangle? (v) Write three un-defined terms of geometry?

In table-3 write the names of the organisms in the appropriate box according to where i they can be found. You could put the name of one organism in more than one column. If you put the organism in the colon in 'some other place', try to mention the place where you could find it.Some examples are filled in to help you. Copy the table 3 in your notebook. Try to enhance the list as much as you can. How many organisms are present in more than one column? Why did you place them here?

How many end points do the following have? i) Line segment, ii) Ray, iii) Line.

How many end points do the following have? i. Line segment ii. Ray iii. Line

How many lines can be drawn through i. One point ii. Two distinct points Make a rough figure for your answer.

How many lines can be drawn through i) One point ii) Two distinct points. Make a rough figure for your answer.

Find the number of 4 - digit numbers that can be formed using the digits 1,2,5,6, 7. How many of them are divisible by i) 2 ii) 3 iii)4 iv) 5 v) 25.

Find the number of 4-digit numbers that can be formed using the digits 2,3,5,6,8 (without repetition). How many of them are divisible by i) 2 ii) 3 iii) 4 iv) 5 v) 25