Question
Typhoid is food and water-borne disease.
✓
Answer
Typhoid is caused due to Salmonella typhi which isa Gram-negative bacterium, transmitted from a patient or carrier to another healthy person through contaminated food or water. Flying insects, mostly houseflies transmit the bacteria from faeces to the food. Poor hygienic habits and improper public sanitation system spreads typhoid. Therefore, it is said to be food and water-borne disease.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
- What are meiocytes?
- If the chromosome number in meiocytes of human beings, housefly, potato, apple, dog and maize are 46, 12, 48, 34,78 and 20, respectively. What will be the chromosome numbers in gametes of these species?
Why is HGP important?
Identify disorders developed in the given genotypes and give two symptoms of each :
(a) 44+ XO (b) 44 + XXY.
(a) 44+ XO (b) 44 + XXY.
Write the differences between wind-pollinated and insect-pollinated flowers. Give an example of each type.
What is high altitude sickness? Write its symptoms.
Explain with the help of an example the relationship between restriction endonuclease and a palindromic nucleotide sequence.
The diagram given below is that of a intra-uterine contraceptive device. Study the same and then answer the questions that follows:
- Give the name of intra-uterine contraceptive device shown in the diagram.
- What is its mode of action?
(a) Where testes are located in human males? Why? (b) What is cryptorchidism?
How degeneracy of the code is explained by Wobble hypothesis?
Blood and Lymph.