Microorganisms ...

Depending on the shapes of bacteria, they have been grouped into four different types:



Select the correct statement from the options given below.

Refer to the given figures P, Q and R:



Which of the following statements are correct regarding the figures?

a. P belongs to the group called bacteria which can be both harmful and useful to mankind.
b. Q reproduces only inside the body of a host organism.
c. R is amoeba which is responsible for causing dysentery.
d. Common ailments like cold, influenza (flu) and most coughs are caused by Q.

Which of the following is a ciliated organism?

Which of the following is false about 'fungi'?

Refer to the following diagram and select the correct answer from the options given below.

What is the mode of nutrition of fungi?

Which of the following bacteria helps to fix the atmospheric nitrogen in the root nodules of leguminous plants?

Where can viruses reproduce?

Which of the following organisms is used to convert milk into curd?

Study the following table and select the correct option for P, Q, R and S:

Which of the following is not a communicable disease?

Which of the following is a set of diseases caused by viruses in human beings?

Which of the following diseases generally occurs in summers during the rainy season due to bad personal hygiene and poor sanitation?

Directions: Refer to the Venn diagram given above and choose the common mode of transmission X.

The discoverer of procedure shown in picture also developed the technique of

Directions: Refer to the diagram above and choose the correct characteristic of X.

Directions: Four types of microorganisms are shown above. Select the correct statement from the options given below.

Directions: Refer to the flow chart on preservation and choose the correct option.

Directions: Refer to the above flow chart and choose the correct statement.

Directions: Refer to the Venn diagram.

If A are diseases transmitted through air and B are diseases transmitted through water, then AB is