I. Choosethe correct answer:
1. The soil found in the Arid Zone isknown as Desert soil
2. The Monsoon forests are otherwisecalled as Deciduous forest
3. Which one of the following mineralis contained in the Monazite and Uranium
II. Matchthe following:
| 1. Black soil | Cotton cultivation |
| 2. Lignite | A type of coal |
| 3. Mangrove forest | Sundarbans |
| 4. Renewable resources | Sun |
| 5. Non renewable resources | Petroleum |
IV. Shortanswers:
1. What do you understand by the termnatural resources?
“All materials obtained from thenature to satisfy the needs of our daily life” is known as Natural resources.Land, Air, Water, Sunlight, Soil, Minerals coal, petroleum, Plants.
2. What are the properties of fertilesoil?
Soilfertility is determined by the presence of “micro nutrients” and “macronutrients”.
3. Name any four main characteristicsof the tropical evergreen forest.
Characteristicsof the tropical evergreen forest.
- Theseforest are found where the rainfall is more than 200cms
- They donot shed their leaves
- The treesreach up to the height of 60mts
- Thesunlight cannot reach the ground due to dense forest.
- Mahogany,ebony, rubber & bamboo
4. Give the meaning of shrub and thornforest.
- Theseforests are found mainly in those areas where the average annual rainfall isless than 75cm with the long dry season.
- The treesare scattered in these forests.
- They havelong roots tap water in the underground.
5. Name the mica producing areas ofIndia.
Major mica producing states of Indiaare Andhra Pradesh, Jharkhand, Bihar and Rajasthan.
V. Answerthe following paragraph:
1. Write the importance of forest
Importanceof Forests:-
- Forestsprovide valuable timber for domestic and commercial use.
- Itsupplies a number of products such as Medicines, Herbs, Honey and Spices.
- Export offorest products earns valuable foreign exchange.
- Grazingcattle in the forests helps in dairy farming.
- Manyforest reserves have been developed into tourist centres.
- Forestobserve carbon-di-oxides and help in controlling air pollution.
- Forestshelp in controlling soil erosion, flood control.
- Forestsprovide natural habitats to primitive tribes, animals and birds.
- Forests are the moderators of climate.
2. Describe the need for theconservation of natural resources?
The need for the conservation ofnatural resources
- Tomaintain ecological balance for supporting life.
- Topreserve different kind of species (biodiversity)
- To makethe resources available for present and future generation.
- To ensurethe survival of human race.