Arrange the following boxes in proper order to make a flow chart of sugarcane crop production.
The boxes can be arranges in the following order to make a flow chart of sugarcane crop production:
Describe with the help of a diagram an instrument which can be used to detect a charged body.
Sketch larynx and explain its function in your own words.
Make a labelled diagram of a candle flame.
What is metamorphosis? Give examples.
The following Table shows the total power shortage in India from 1991– 1997. Show the data in the form of a graph. Plot shortage percentage for the years on the Y-axis and the year on the X-axis.
Make sketches of animal and plant cells. State three differences between them.
What is a constellation? Name any two constellations.
Describe the construction of a kaleidoscope.
Complete the crossword with the help of clues given below:
Across
1. This is necessary for photosynthesis.
3. Term for component present in the cytoplasm.
6. The living substance in the cell.
8. Units of inheritance present on the chromosomes.
Down
1. Green plastids.
2. Formed by collection of tissues.
4. It separates the contents of the cell from the surrounding medium.
5. Empty structure in the cytoplasm.
7. A group of cells.
Make a sketch of the human nerve cell. What function do nerve cells perform?
Draw a labeled sketch of the human eye.
Fill in the blanks with appropriate words:
(a) Synthetic fibres are also called ______ or _______ fibres.
(b) Synthetic fibres are synthesised from raw material called ________.
(c) Like synthetic fibres, plastic is also a __________ .
Describe how coal is formed from dead vegetation. What is this process called?
Give examples which indicate that nylon fibres are very strong.
The radius of Jupiter is 11 times the radius of the Earth. Calculate the ratio of the volumes of Jupiter and the Earth. How many Earths can Jupiter accomodate?
What are antibiotics? What precautions must be taken while taking antibiotics?
In the following Table some substances are given in Column I. In Column II some uses are given. Match the items in column I with those in Column II.
Column I | Column II |
---|---|
(i) Gold (ii) Iron (iii) Aluminium (iv) Carbon (v) Copper (vi) Mercury |
(a) Thermometers (b) Electric Wire (c) Wrapping food (d) Jewellery (e) Machinary (d) Fuel |
Describe with the help of a diagram an instrument which can be used to detect a charged body.
Describe an activity to show that thermoplastic is a poor conductor of electricity.
Why should paper be saved? Prepare a list of ways by which you can save paper.