natural vegetation and wildlife

                                  Natural vegetation and wildlife

Short answer type questions

1. Why are tropical rainforests are called evergreen forests?

Ans: These trees shed their leaves at different times.

When one tree may be shedding leaves, the other may be flowering, so the forests are green throughout the year. So, these trees are called evergreen trees.

2. Describe the characteristic features of monsoon forests. Which are the important trees in this region?

  Ans: These areas receive an annual rainfall of 100 to 200 cm.

Most of the trees shed their leaves during 6 to 8 weeks in summer.

These forests have widespread branches. Like neem and mango.

Teak, Sal sandalwood, peepal, shisham are some common trees found there.

3. Describe the main features of evergreen forests.

 Ans: The trees shed their leaves at different times.

 These forests are very dense.

Trees grow up to great heights.

Importent trees are ebony mahogany and rosewood.

4. Name the areas where the tidal forests are found in India? Which important trees are found in tidal forests?

Ans: Tidal forests are found in Ganga and Brahmaputra delta region.

Deltas of Mahanadi, Godavari, Krishna and Kaveri.

Parts of Andaman and Nicobar islands.

5. Explain the measures required for conservation of forests.

Ans: The govt has passed acts and taken up different programmes for conserving our forests.

The forest research Institute at Deehradun trains people regarding forests.

Government has also launched Vanmahotsav programmes.

We should plant more and more trees.

Long answer type questions.

1. What has led to destruction of wildlife and their habitat in India? Which steps have been taken by the govt to preserve and protect wildlife?

   Ans: large scale hunting for game and poaching have affected our wildlife.

Reckless destruction of forests has endangered many species of wildlife.

Steps by govt:

Many National parks, Biosphere reserves and sanctuaries have been set up in Nilgiris, Nandadevi, Simlipal etc.

The government has launched many projects like project tiger, Project Rhino, and project Elephant.

2. Describe the importance of forests.

Ans: (a) Plants release oxygen that we breathe.

(b) They provide us timber for furniture, sports goods and houses.

(c) The roots of plants bind the soil and prevent floods.

(d) They are natural habitats of wildlife.

3. Describe the major species of animals found in India.

Ans: (a) Asiatic Lion found in the Gir forest of Gujrat.

(b) The Royal Bengal Tiger found in Sunder bans in West Bengal.

© The Rhino- creases are found in Assam.

(d) Red panda, yak and Bear are found in lofty Himalayas.

(e) Camels are found in Thar Desert.

Some reptiles like Cobra Crocodiles and gharials also found in India.

4. Distinguish between tropical rainforests and tropical deciduous forests.

Tropical Rain forests These are found where rainfall is more than 200  cm. They remain green throughout the year. These are very dense forests. Important trees are ebony, mahogany and rosewood.

Tropical Deciduous forests These are found where rainfall is between 100 to 200 cn. They are shed the leaves during 6 to 8 weeks in summer. These trees have widespread branches like Neem and Mango. Important trees are babul, khair and kikar.