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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SOCIAL SCIENCE CLASS X PRACTICE PAPER (LOGICAL)

WHO SHOULD BE TRYING THIS : STUDENTS WITH GOOD REASONING SKILLS HOW DO YOU KNOW THAT YOU HAVE GOOD REASONING SKILLS : if you are able to answer the questions and find this question interesting or to your taste then it means that you think logically . THE QUESTIONS HAS TWO STATEMENTS ASSERTION (A) AND REASON (R) INDICATE YOUR ANSWER USING THE CODES GIVEN BELOW A. BOTH AS AND RE ARE TRUE AND RE IS THE CORRECT EXPLANATION OF AS. B. BOTH AS AND RE ARE TRUE AND RE IS NOT THE CORRECT EXPLANATION OF AS . C. AS IS TRUE BUT RE IS FALSE. D. AS IS FALSE . RE IS TRUE The last two are the easiest one . note *** : I assure you that in in all situations either A or R will be true . There won't be situations where both the statements will be false. PLEASE LOOK AT THE BELOW EXAMPLE: SET 1 AS. FROG IS AN AMPHIBIAN RE. IT LIVES IN BOTH LAND AND WATER . SET 2 AS. FROG IS AN AMPHIBIAN RE. FROG NEEDS WATER TO COMPLETE ITS LIV...

CLIMATE AND NATURAL VEGETATION (CLASS 9)

WHY ARE MOUNTAINS COLD (CLICK THE LINK TO WATCH VIDEO) 1. WHY TEMPERATURE DECREASES WITH INCREASING ALTITUDE?(MCQ) A. AMOUNT OF TERRESTRIAL RADIATION LESSER IN HIGHER ALTITUDE B. LESS AMOUNT OF INCOMING SOLAR RADIATION C. LOWER AIR PRESSURE AT HIGH ALTITUDE RESULTING IN LESSER COLLISION BETWEEN AIR MOLECULES D. A& C STATEMENTS ARE CORRECT 2. WHICH OF THE FOLLOWING CITIES IS COLDER IN JANUARY ? A. SHIMLA B. CHANDIGARH C. LEH D. BENGALURU . LOCATION OF HOT DESERTS ( CLICK TO WATCH VIDEO) 3. WHICH OF THE WEATHER STATION HAS THE LOWEST RANGE OF TEMPERATURE ? A. CHANDIGARH B. MUMBAI C. AMRITSAR D. HYDERABAD What could be the reason for low range of temperature. 4.WHY ARE DESERTS FOUND IN THE MID LATITUDES EVEN THOUGH THE EQUATORIAL REGION GETS MORE SUNSHINE ? (SEE IF THIS PICTURE CAN HELP YOU TO EXPLAIN THE FORMATION OF DESERTS) 5.IN 16TH AND 17TH CENTURY SHIPS SAILING FROM EUROPE TO SOUTH AMERICA AND WEST INDIES(CARRYING HORSE...

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...

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