(i) Plastic bags |
(ii) Newspapers and journals |
(iii) Screw and nuts |
(iv) Vegetable peels |
(v) Metal chips |
(vi) Egg shells |
RED | GREEN | BLUE |
(i) and (iv) | (ii) and (iii) | (v) and (vi) |
RED | GREEN | BLUE |
(i) and (iii) | (ii) and (iv) | (iv) and (vi) |
RED | GREEN | BLUE |
(i), (iii) and (v) | (iv) and (vi) | (ii) only |
RED | GREEN | BLUE |
(i) and (v) | (ii) and (iv) | (iii) only |
(i) excrete small amount of urine |
(ii) excrete large amount of urine |
(iii) excrete concentrated urine |
(iv) excrete very dilute urine |
Answer the following questions in one word or in a sentence only, |
(i) Which of the things in the following list are non-living? |
Plough, Mushroom, Sewing machine. Radio, Boat, Water hyacinth. Earthworm |
Answer the following questions in one word or in a sentence only, |
(ii) What are the conditions for the formation of shadow? |
Answer the following questions in one word or in a sentence only |
(iii) It was observed that a pencil sharpener gets attracted by both the poles of a magnet although its body is made up of plastic. Name a material that might have been used to make some part of it. |
Answer the following questions in one word or in a sentence only |
(iv) Which is the most abundant gas in our atmosphere? |
Answer the following questions in one word or in a sentence only |
(v) What do you understand by the segregation of garbage? |
Answer the following questions in one word or in a sentence only |
(vi) In a number of musical instruments, air plays an important role. Can you name some such instruments? |
Read the poem written below and then answer the questions given below : |
Blue and Green |
Two bins, you mean? |
Yes, they are there |
to throw your waste. |
But not in a hurry |
Nor in a haste. |
Select from waste, sieve if seems muddy |
Separate all items and when they are ready |
Place in a blue bin, or one that is green |
For a voyage to the landfill, or for composting. |
(i) Name the two kinds of waste that need to be separated from each other in two different waste bins. |
(ii) Name two items of waste that need to be sent to a (a) landfill, (b) for composting. |
Write just a few sentence for an imaginary situation if any of the following gases disappear from the atmosphere: |
(a) oxygen |
(b) nitrogen |
(c) carbon dioxide |
Which of the following statements are true and which ones are false? |
(a) Water vapor is present in air only during the monsoon. |
(b) Water evaporates into air from oceans, rivers and lakes but not from the soil. |
(c) The process of water changing into its vapor is called evaporation. |
Fig. A and B, show a bulb connected to a cell in two different ways. |
(i) What will be the direction of the current through the bulb in both the cases. (Q to P or P to Q) |
(ii) Will the bulb glow in both the cases? |
(iii) Does the brightness of the glowing bulb depend on the direction of current through it? |
(i) Rearrange the boxes given below to make a sentence that helps us to understand opaque objects: |
(ii) In a completely dark room, if you hold up a mirror in front of you, will you see a reflection of yourself in the mirror? |
Read the features of plants given below : |
(a) Thick waxy stem |
(b) Short roots |
(c) Cone shaped plants |
(d) Sloping branches |
(e) Small or spine-like leaves |
(f) Hollow stem |
Choose the type of plant for every feature given in a, b, c, d, e and f from the list given below: |
Aquatic plant. Desert plant. Mountainous plant |
Which of the non-living things listed below, were once part of a living thing? |
Butter, Leather, Soil, Wool, Electric Bulb, Cooking oil. Salt, Apple, Rubber. |
Provide one word answers to the statements given below: |
(a) Help in the movement of body by contraction and relaxation. |
(b) Bones that join with chest bone at one end and to the backbone at the other end. |
(c) Framework of bones which gives shape to our body. |
Observe Fig. and attempt the questions that follow it. |
(a) Label the parts 1, 2, 3 and 4 in the diagram. |
(b) What type of venation does the leaf have? |
(c) What type of venation is seen in grass leaves? |
You need to login to perform this action.
You will be redirected in
3 sec