|
Distinguish between the following.Arteries and Veins
|
|
0
|
2328
|
March 24, 2018
|
|
Draw a diagram of the human excretory system and label the various parts
|
|
0
|
1896
|
March 24, 2018
|
|
Give an experiment to show the upward movement of water in plants
|
|
0
|
3604
|
March 24, 2018
|
|
While learning to ride a bicycle Boojho lost his balance and fell
|
|
0
|
6923
|
March 24, 2018
|
|
Read the following terms given below
|
|
0
|
1074
|
March 24, 2018
|
|
How are oxygen and food circulated in Hydra?
|
|
0
|
983
|
March 24, 2018
|
|
What is the function of the circulatory system in humans?
|
|
0
|
569
|
March 24, 2018
|
|
Give reasons for the following statements
|
|
0
|
2439
|
March 24, 2018
|
|
List the functions of the blood. Ans. The following are the functions of the blood:
|
|
0
|
566
|
March 24, 2018
|
|
Why is blood needed by all the parts of a body?
|
|
0
|
1771
|
March 24, 2018
|
|
What are the components of blood?
|
|
0
|
12513
|
March 24, 2018
|
|
Does transpiration serve any useful function in the plants? Explain
|
|
0
|
1323
|
March 24, 2018
|
|
What are stomata? Give two functions of stomata
|
|
0
|
11569
|
March 24, 2018
|
|
What will happen if there are no platelets in the blood?
|
|
0
|
4323
|
March 24, 2018
|
|
Why is transport of materials necessary in a plant or in an animal? Explain
|
|
0
|
1407
|
March 24, 2018
|
|
Paheli noticed water being pulled up by a motor-pump to an overhead tank of a five-storeyed building
|
|
0
|
2989
|
March 24, 2018
|
|
Observe figure given below and answer the given questions:
|
|
0
|
1186
|
March 24, 2018
|
|
Name the process and the organ which helps in removing the following wastes from the body
|
|
0
|
4092
|
March 24, 2018
|
|
Boojho’s uncle was hospitalised and put on dialysis after a severe infection in both of his kidneys
|
|
0
|
1817
|
March 24, 2018
|
|
Name the only artery that carries carbon dioxide-rich blood
|
|
0
|
1892
|
March 24, 2018
|
|
Paheli uprooted a rose plant from the soil. Most of the root tips
|
|
0
|
2895
|
March 24, 2018
|
|
Look at figure. Draw another figure of the same set-up as woufd be observed after a few hours
|
|
0
|
1165
|
March 24, 2018
|
|
What are the advantages and disadvantages of vegetative reproduction?
|
|
0
|
1268
|
March 24, 2018
|
|
Give reasons for the following. Insect pollinated flowers are brightly coloured and sweet smelling
|
|
0
|
5460
|
March 24, 2018
|
|
Describe the various ways by which seeds are dispersed
|
|
0
|
3028
|
March 24, 2018
|
|
Distinguish between the following. Stamen and Pistil
|
|
0
|
1173
|
March 24, 2018
|
|
Describe the different methods of asexual reproduction. Give examples
|
|
0
|
1976
|
March 24, 2018
|
|
Write how the following seeds are dispersed
|
|
0
|
1979
|
March 24, 2018
|
|
In the diagram of a bisexual flower given as figure below, draw the missing part and label the parts marked (a), (b) and (c). Also label the missing part that you draw
|
|
0
|
6906
|
March 24, 2018
|
|
In the figure of a flower label the parts whose functions are given below and give their names
|
|
0
|
2440
|
March 24, 2018
|