Balbharati solutions for Science and Technology 2 [English] Standard 10 Maharashtra State Board chapter 7 - Introduction to Microbiology [Latest edition]

Which different microbes are useful to us?

Which different products can be produced with the help of microbes?

We use the fermentation process while conversion of milk into yoghurt. Which microbes are useful for this process?

1. Which different types of cheese are used in western food like pizza, burger, sandwich, etc?
2. What is difference between those types of cheese?

What for probiotic food is famous?

In the earlier class, you had prepared the solution of dry yeast for observation of yeast. Which substance is prepared by its use on commercial basis?

1. Which functions are performed by enzymes secreted in human digestive system?
2. Give names of some such enzymes.

Food materials like cold drinks, ice creams, cakes, juices are available in various colours and flavours. Whether these colours and flavours are really derived from fruits?

What are antibiotics?

What precautions must be taken while taking antibiotics?

1. Which different materials are decomposed in biogas plant?
2. Which useful materials are obtained through it? Which is the fuel out of those?
3. Decomposition occurs through which organisms?

Why is it asked to segregate wet and dry waste in each home?

What is done with the segregated waste?

Which is most appropriate method of disposal of dry waste?

Observe the garbage vans of grampanchayat and municipality. Nowadays, there is facility of decreasing the volume of garbage by compaction in those vans. Explain the advantages of this activity.

Which materials should not be present in garbage for its proper microbial decomposition?

How the sewage generated in your house or apartment is disposed off?

You must have seen or read the news of dead fishes or oily water accumulating at the sea coasts. Why does this happen?

How the bacteria present in soil and root nodules of leguminous plants are useful?

Rewrite the following statement using the correct option and explain the completed statement.

Process of ______ of milk proteins occurs due to lactic acid.

Rewrite the following statement using the correct option and explain the completed statement.

Harmful bacteria in like ______ in the intestine are destroyed due to probiotics.

Rewrite the following statement using the correct option and explain the completed statement.

Chemically, vinegar is ______.

Rewrite the following statement using the correct option and explain the completed statement.

Salts which can be used as supplement of calcium and iron are obtained from ______ acid.

Match the pairs.

Which fuels can be obtained by microbial processes? Why is it necessary to increase the use of such fuels?

How can the oil spills of rivers and oceans be cleaned?

How can the soil polluted by acid rain be made fertile again?

Explain the importance of biopesticides in organic farming.

Which are the reasons for increasing the popularity of probiotic products?

How the bread and other products produced using baker’s yeast are nutritious?

Which precautions are necessary for proper decomposition of domestic waste?

Why is it necessary to ban the use of plastic bags?

Complete the following conceptual picture.

Give scientific reasons.

Use of mutant strains has been increased in industrial microbiology.

Give scientific reasons.

Enzymes obtained by microbial process are mixed with detergents.

Give scientific reasons.

Microbial enzymes are used instead of chemical catalysts in chemical industry.

Complete the following conceptual picture with respect to uses.

Complete the following conceptual picture related to environmental management.

What is role of microbes in compost production?

What are the benefits of mixing ethanol with petrol and diesel?

Which plants are cultivated to obtain the fuel?

Which fuels are obtained from biomass?

How does the bread become spongy?

Find the ways to implement the zero garbage system at the domestic level.

Which are the microbes that destroy the chemical pesticides in soil?

Collect more information about reasons for avoiding the use of chemical pesticides.