know the disease and causative agent( for class 9 to 12)

KNOW THE DISEASES AND CAUSATIVE AGENT :

1.W was the second person to get the Nobel Prize for Physiology and medicine for discovering the transmission pattern of the disease X. the most effective cure for this disease is obtained from the bark of the tree Y which grows in the Peruvian Andes. An Alkaloid Z is obtained from the tree Y. Identify W , X ,Y and Z.

2.A found that the milkmaids who got the disease B did not get the more serious disease C. Identify A , B and C. In fact if someone gets the disease B he or she would be vaccinated against disease C .

3. P was an Indian Physician who made significant contribution in the understanding of gastrointestinal diseases. The bacterial Q was discovered by Robert Koch in 1887, But P was the first person to discover that bacterial Q secretes an exotoxin which affects the intestine( enterotoxin) by changing the permeability of intestinal walls resulting in explosive secretion of fluids resulting in severe dehydration. He suggested R a very simple way of dealing with dehydration which can be prepared at home. Identify P, Q and R.

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WATER HARVESTING

1. WHAT DO YO CALL THE ABOVE TRADITIONAL RAINWATER HARVESTING STRUCTURES IN THE URBAN AREAS OF NORTHERN INDIA ? 2. THE ABOVE TWO IMAGES ARE RAINWATER HARVESTING STRUCTURES IN PATAN , GUJARAT WHICH IS A WORLD HERITAGE SITE . CAN YOU NAME THIS STRUCTURE? 3. THE BELOW IS A PROFILE PICTURE OF A TRADITIONAL RAINWATER HARVESTING STRUCTURE IN THE SEMI ARID REGIONS CALLED KAREZ. CAN YOU TELL ME IN WHICH COUNTRIES YOU WILL FIND THIS WATER HARVESTING STRUCTURE . THIS IS A SERIES OF HORIZONTAL AND VERTICAL WELLS. THIS IS AN EXAMPLE OF APPLICATION OF TRADITIONAL KNOWLEDGE AND SKILL . 4. THIS METHOD OF IRRIGATION IS TRADITIONALLY USED IN TAMILNADU AND ANDHRA PRADESH . DURING ANCIENT TIMES THE CHOLA AND PALLAVA KINGDOMS FARMERS SPEND BETWEEN 6 TO 8% OF THEIR INCOME IN MAINATAINING THIS IRRIGATION SYSTEM . THE KINGS BELIEVED THAT FOOD SECURITY LEADS TO NATIONAL SECURITY 5. THIS IS A TRADITIONAL METHOD OF RAINWATER HARVESTING SEEN...

CLIMATE ,CL 9

A. B. C. I.WHICH OF THE FOLLOWING CONDITION IS FAVOURABLE FOR INDONESIA, AUSTRALIA AS WELL AS PERU. 2. IN THE 19TH CENTURY WHEN CHEMICAL FERTILISERS WERE NOT INVENTED THE GUANO WERE IN GREAT DEMAND . IT IS DROPPING OF SEA BIRDS MAINLY CORMORANT . PERU USED TO EXPORT A LOT OF GUANO . CAN YOU GUESS THE REASON WHY PERU USED TO PRODUCE ABUNDANCE OF GUANO. (DOES THE COLD WATER NEAR THE PERUVIAN COAST HAVE ANY ROLE IN THIS). 3. Maldives and Lakshadweep support very large population even though they do not produce much of their food requirement especially rice which is the staple diet there. It does not mean that these islands were colonized during recent times, people in very large numbers have inhabited these islands for hundreds of years . Food grain is transported from India and Sri Lanka. This used to be done in the past (even during the times of sailing ships). Dry fish , copra and Jaggery( gu...

NATURAL VEGETATION

. IF YOU SEE THE ABOVE DATA YOU WILL FIND THAT INDONESIA IS HAVING MORE BIO DIVERSITY THAN USA.USA IS MUCH LARGER THAN INDONESIA AREA WISE BUT INDONESIA HAS GREATER BIODIVERSITY BECAUSE IT LIES IN THE TROPICAL AREAS (EQUATORIAL)WITH VERY HEAVY RAINFALL . BECAUSE OF THE CLIMATIC CONDITIONS IN INDONESIA THE VEGETATION IS TROPICAL RAINFORESTS WHICH INCLUDES DECIDUOUS FOREST(MONSOON FOREST ) , SEMI EVERGREEN AND EVERGREEN FORESTS. https://msu.edu/user/urquhart/rainforest/ CLICK THE ABOVE LINK AND TRY TO ANSWER THE FOLLOWING QUESTIONS GIVEN BELOW. 1. WHICH PART OF THE WORLD IS NEO TROPICS AND WHICH PART IS PALEOTROPICS? 2. WHICH IS THE TOP CARNIVORE IN THE RAINFORESTS OF AMAZON? 3. WHEN WE CONSERVE THESE FOREST WE ALSO CONSERVE THE KNOWLEDGE WHICH MANKIND HAS ACQUIRED OVER CENTURIES . CAN YOU THROW SOME LIGHT ON THIS ? 4. SOME OF THE MOST EXPENSIVE FLOWERS OF THE WORLD ARE FOUND IN THIS FORESTS ? CAN YOU NAME THEM . YOU MAY ALSO REFER THE BELOW LINK. 5...

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