Human evolution began approximately 7 crore years ago.

Read the following statements and justify same in your own words with the help of suitable examples. i. Human evolutions began approximatesly 7 crore years ago.

Fill in the blanks by selecting the correct word from the bracket and complete the given paragraph. (two, Ramapithecus, modern sciences, seven, Neanderthal man, lemurs, agriculture, organgutans) The lase dinosaurs disappeard apprximately ____________ crore years ago. Monkey -like animals are said to have evolved from some ancestors who were similar to modern______________. The first human like animals with erect posture evolved about_________ crore years ago. The first record of this human like ape is __________ from East Africa. ______________ can be considered as the first member of the class-wise man. About 10 thousand years ago, wise -man started to practice.

When has human evolution appeared?

Give scientific reason: During human evolution the hands became available for use.

Paragraph based question: Read the following paragraph and answer the question based on it. Many waste materials are generated through the various daily human activities. This is called solid waste. If these waste materials are properly disposed of, they can be valuable source of energy. Currently, solid waste is a serious world wide problem as it causes both water and soil pollution. Solid waste is also serious problme from the point of view of economic growth, environment degradation and health. It has posed a serious threat to nature and human habitat because of the air, water and soil pollution it causes. Solid waste generated in the main metro cities of the state is approximately as follows-Mumbai: 500 tons, Pune: 1700 tons, Nagpur : 900 tons. Which city of maharashtra generates highest amount of solid waste?

Choose the correct alternative and write its alphabet against the sub question number: The….man evolved about 50 thousand years ago.

Choose the correct alternative and write its alphabet against the sub question number: About 10 thousand years ago, ……..started to practise agriculture.

Find the approximate value of e^2.1 given e^2 =7.389

Earth's magnetic field at the equator is approximately 4 xx 10^-5 tesla, R = 6.4 xx 10^ m, mu_o = 4pi xx 10^-7 SI unit. Calculate Earth's dipole moment.

By choosing appropriate words given in the bracket, complete the paragraph: (cultural, agriculture, fire, brain, cro-magnon, homo sapiens, neanderthal) Evolution of upright man continued in the direction of developing its……. For the period of about 1 lakh years and meanwhile discovered the ..........Brain of man, 50 thousand years ago had been sufficiently evolved to the extent that it could be considered as member of the species ........Neanderthal man can be considered as the first example of wise-man. The ........man evolved about 50 thousand years ago afterwards, this evolution had been faster than the earlier. About 10 thousand years ago, wise man started to practice the .............It started to rear the cattle-herds and established the cities...........development took place later.