Section-C (Short answer questions) 14x2=28 10. Write down any four laboratory safety rules. 11. What are the bases on which living things are divided into five kingdoms? 12. Answer the questions on the basis of the given diagram. कलप a) What type of evidence of 13. 14. 15. evolution is given by the diagram? b) How do this evidence support in organic evolution? Explain with example Write any two uses of plant growth hormone. What happens when a ballon filled with air is left with its mouth 99999999 (1999999 downwards and allowed to escape the air? Write with reason. What acceleration is produced on a mass of 300g, when a force o 20N is applied on it?
