Maharashtra State Board
- What is the basis of the Bernoulli's principle? Conservation of energy is the basis of the Bernoulli’s principle Bernoulli’s equation states that the work done per unit volume of a fluid b... 1
- How much amount of work is done in forming a soap bubble of radius r? Let T be the surface tension of a soap solution. The initial surface area of soap bubble = 0 The final surface area of soap bubble = 2 × 4πr... 1
- Why is the surface tension of paints and lubricating oils kept low? For better wettability (surface coverage), the surface tension and angle of contact of paints and lubricating oil must be low. 1
- 1) Multiple Choice Questions chapter 2 Mechanical Properties of Fluids maharashtra board i) A hydraulic lift is designed to lift heavy objects of maximum mass 2000 kg. The area of cross section of piston carrying the load is 2.25... 1
- E) Like India, there is a need for conservation of forests in Brazil too. Like India, Brazil is facing the problem of degradation of environment due to deforestation, pollution, slash and burn agriculture, illegal... 1
- D) Wild life in India is decreasing day by day. Wildlife in India is decreasing day by day because of rapidly occurring deforestation, poaching, pollution. Expansion of cities to accommoda... 1
- C) A wide variety of insect species is found in Brazil. Insects are mostly found in forests, grasslands and swampy lands. Many insects eat leaves, grass and nectar from the plant. The evergreen ra... 1
- b) Vegetation is scarce in the high altitude of the Himalayas. As the altitude increases, the temperature decreases. The climate is very cold in the high altitudes. In Jammu and Kashmir and parts of Hima... 1
- a) The northern part of Brazil is covered with dense forests. The northern part of Brazil lies in the equatorial region.It receives ample sunlight and about 2000 mm of rainfall throughout the year.In th... 1
- E) Why does the deciduous type vegetation occupy most of India? Vegetation in a region is affected by the climate and rainfall of the region. In dia lies in the tropical zone and it has a monsoon type cli... 1
- D) What are the major causes of degradation of forest in Brazil and India? The major causes of degradation of forest in Brazil and India are India Overgrazing, soil degradation, land clearance, climatic changes, exc... 2
- C) What environmental issues are faced by Brazil and India? The biggest environmental issue faced by Brazil is the deforestation of the Amazon rainforests. The Amazon rainforests are known as the ‘lun... 1
- B) Correlate wildlife and natural vegetation in India and Brazil. Wildlife: A)India: Different species of mammals are part of the Indian wildlife.Some of these are, Asian elephants,Royal bengal tigers,Asian... 2
- A) Differentiate between the forest types of Brazil and India. Forest type of Brazil Forest type of India Brazil holds about one-third of the world’s remaining rainforests, including a majority of the Am... 2
- Q3 Match the column geography chapter 5 Column ‘A’ Column ‘B’ Evergreen Forests (c) Pau Brasil Deciduous forests (e) Teak Coastal forests (a) Sundari trees Himalayan forests (b) Pi... 1
- Q2 identify the odd man out (1) Forest type of Brazil ______. (a) Thorny bush type vegetation (b) Evergreen forests (c) The Himalayan Forests (d) Deciduous forests Answ... 1
- On the basis of the information given in the chapter, figures and maps, complete the table below: S.No. Type of forest Characteristics Regions in India Regions in Brazil (1) Tropical Forests Broad-leaved evergreen trees. Andaman and Nicob... 1
- d) Compare the climates of Brazil and India. Brazil India 1. Climate is of tropical type Monsoon type of climate 2. The temperature is comparatively higher in the northern part and lowe... 1
- (c) Discuss the factors affecting climate of Brazil. Brazil experiences wide range of climatic variations due to its vast latitudinal extent, proximity to the Equator, presence of the Atlantic... 1
- (b) Explain the importance of the Himalayas and the Indian Ocean with respect to the climate of India. The importance of Himalayas and the Indian Ocean with respect to the climate of India can be explained as follows : The Indian Ocean and Him... 2
- (a) Describe in brief the changes occurring in the climatic conditions of India while going from south to north The diversity in climatic conditions of India is due to the latitudinal location and altitude of the place. The Indian Ocean at south side a... 1
- (f) India receives precipitation from the North-East Monsoon winds too. India receives most of its precipitation from the southwest monsoon winds. These winds enter the mainland of India from the southern regions... 1
- (e) There is not much difference in the range of temperature in Manaus. Manaus is located to the north of Brazil and close to the Equator. This region receives perpendicular rays of the sun throughout the year. I... 1
- (d) Tropical cyclones occur rarely in Brazil. In the northern coastal region near equator, the differences in the temperatures are negligible. In this region, the winds move vertically.... 1