A debate was conducted on school on the need to conserve biodiversity. One student felt. that there are so many species on the earth, why will it matter if we lose a few. Do you feel the same. Justify your answer.

A sudden decline in fruits and seeds were seen in an area where regular heavy use of insecticides was done for the past few years. Give reasons for such an outcome.

Students were taken for excursion to Arabari Joint forestry Project in Midnapore district, West Bengal .The various observations done by the students were as follows
(i) Village people using forest products without causing harm to forest.
(ii) Village people helping in plantation in deforestation areas.
(iii) A core area under the forest is not disturbed by anybody. State the various inference which the students draw from the observations

A well- known personality killed a black buck during hunting in sacred groves of Aravali Hills in Rajasthan. Local people caught him and lodged a case in court against him. He argued that court that killing a human being is a crime but killing an animal is not crime. What is your opinion?

You find that a lake in your neighboring area has been covered by Water hyacinth. You have contacted your friends to remove this weed. Nobody agrees to support you. How will you explain the necessity of this?