X- SA I-TEST – LIFE PROCESS & LINEAR EQUATION

1.       [1,1]What is peristaltic movement? How helpful are they in human digestion?

2.       [2]Write various the methods used by the plants to get rid of excretory products.

3.       [4]Sketch a flow diagram for the various pathways for breakdown of glucose ( Respiration Flow diagram).   

4.       [5]Draw a well labeled symbolic diagram of human heart showing the passage of flow of blood.

5.       [5]Describe the structure ( labeled diagram)  and functioning of nephron in the human body.

1.       [3]If the numerator and denominator of a fraction are increased by 2 and 1 respectively, it becomes 3/4. If the numerator and denominator are decreased by 2 and 1 respectively, it becomes 1/2. Find the fraction.

2.       [3]Sonali went to a bank to withdraw Rs 2000. She asked the cashier to give her Rs 50 and Rs 100 notes only. Sonali got 25 notes in all. Find how many notes of Rs 50 and Rs 100 she received.

3.       [4]3 men and 4 boys can do a piece of work in 14 days, while 4 men and 6 boys can do it in 10 days. How long would it take 1 boy to finish the work? [ 140 ]

4.       [4]The students of a class are made to stand in (complete) rows. If one student is extra in a row, there would be 2 rows less, and if one student is less in a row, there would be 3 more rows. Find the number of students in the class. [60 ]

5.       [4]A boat goes 30 km upstream and 44 km downstream in 10 hours. In 13 hours, it can go 40 km upstream and 55 km down-stream. Determine the speed of the stream and that of the boat in still water

6.       [HW]A train covered a certain distance at a uniform speed. If the train had been 30 km/hr faster, it would have taken 2 hours less than the scheduled time. If the train were 15 km/hr slower, it would have taken 2 hours more than the scheduled time. Find the length of the journey. [ 360]

7.        [HW]The age of a father is equal to sum of the ages of his 6 children. After 15 years, twice the age          of the father will be the sum of ages of his children. Find the age of the father. [60 ]

8.       [HW]Sheela travels, 300 km to her home partly by train and partly by bus. She takes 4 hours if she travels 60 km by train and the remaining by bus. If she travels 100 km by train and the remaining by bus/ she takes 10 minutes longer. Find the speed of the train and the bus separately.[ 60, 80 ]