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SCERT Maharashtra Question Bank solutions for 10th Standard SSC Science and Technology 2 Maharashtra State Board 2021 chapter 7 - Introduction to Microbiology [Latest edition]

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SCERT Maharashtra Question Bank solutions for 10th Standard SSC Science and Technology 2 Maharashtra State Board 2021 chapter 7 - Introduction to Microbiology - Shaalaa.com
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Chapter 7: Introduction to Microbiology

Choose the correct optionFind an odd one outName the followingRelate the followingWrite true or falseMatch the followingAnswer in one sentenceGive scientific reasonsWrite short notesAnswer the following questionsSolve the following questions
Choose the correct option

SCERT Maharashtra Question Bank solutions for 10th Standard SSC Science and Technology 2 Maharashtra State Board 2021 Chapter 7 Introduction to Microbiology Choose the correct option

Choose the correct option.

Choose the correct option | Q 1

____________ acid is used in the production of vitamins.

  • Citric

  • Gluconic

  • Lactic

  • Itaconic

Choose the correct option | Q 2

Nowadays, ___________ are used for treatment of diarrhoea and treatment of poultry also.

  • yoghurt

  • probiotics

  • vinegar

  • cheese

Choose the correct option | Q 3

Yoghurt is a milk product produced with the help of ___________.

  • Lactobacilli

  • Azotobacter

  • Corynebacterium

  • Streptococcus

Choose the correct option | Q 4

__________ is a powerful antibiotic against treatment of tuberculosis.

  • Penicillin

  • Rifamycin

  • Streptomycin

  • Bacitracin

Choose the correct option | Q 5

_________ is used in the commercial bakery industry.

  • Compressed yeast

  • Algae

  • Bacteria

  • Microbes

Choose the correct option | Q 6

________ is a substance obtained by microbial processing that functions as an artificial sweetener.

  • Nycin

  • Lysine

  • Xanthenes

  • Xylitol

Find an odd one out

SCERT Maharashtra Question Bank solutions for 10th Standard SSC Science and Technology 2 Maharashtra State Board 2021 Chapter 7 Introduction to Microbiology Find an odd one out

Find an odd one out | Q 1

Find an odd one out.

  • Penicillin

  • Neomycin

  • Isomerase

  • Rifamycin

Find an odd one out | Q 2

Find an odd one out.

  • Hydrolases

  • Lyases

  • Pepsin

  • Ligases

Find an odd one out | Q 3

Find an odd one out.

  • Bacteria

  • Viruses

  • Fungi

  • Plants

Find an odd one out | Q 4

Find an odd one out.

  • Khoa

  • Yoghurt

  • Butter

  • Cheese

Find an odd one out | Q 5

Find an odd one out.

  • Lactobacillus

  • Acidophilus

  • Lactobacillus casei

  • Clostridium

Find an odd one out | Q 6

Find an odd one out.

  • Cheese

  • Curd

  • Ice-cream

  • Buttermilk

Name the following

SCERT Maharashtra Question Bank solutions for 10th Standard SSC Science and Technology 2 Maharashtra State Board 2021 Chapter 7 Introduction to Microbiology Name the following

Name the following.

Name the following | Q 1

An enzyme obtained from fungi to produce vegetarian cheese.

Name the following | Q 2

Biodegradable plastic used for storing the garbage.

Name the following | Q 3

A clean (smokeless) fuel.

Name the following | Q 4

Vinegar means 4% ___________.

Name the following | Q 5

Microbes used along with artificial nitrogenase in organic farming.

Relate the following

SCERT Maharashtra Question Bank solutions for 10th Standard SSC Science and Technology 2 Maharashtra State Board 2021 Chapter 7 Introduction to Microbiology Relate the following

Relate the following.

Relate the following | Q 1

Lactobacillus : Yoghurt : : Baker’s yeast : _______________

Relate the following | Q 2

Saccharomyces cerevisiae : Ethanol : : Aspergillus oryzae : ________________

Relate the following | Q 3

Lactic acid : To impart acidity : : Beta carotene : _____________________

Relate the following | Q 4

Gaseous fuel : Coal gas : : ___________ : Coal

Write true or false

SCERT Maharashtra Question Bank solutions for 10th Standard SSC Science and Technology 2 Maharashtra State Board 2021 Chapter 7 Introduction to Microbiology Write true or false

Write whether true or false.

Write true or false | Q 1

Shelf life of yogurt can be increased by pasteurization.

  • True

  • False

Write true or false | Q 2

Vinegar is used to bring sweetness in food products.

  • True

  • False

Write true or false | Q 3

Methane gas is produced by microbial oxidation of industrial waste.

  • True

  • False

Write true or false | Q 4

Spinosad is a biopesticide.

  • True

  • False

Write true or false | Q 5

Sulphuric acid is a source of energy for some species of bacteria like Acidophillium.

  • True

  • False

Write true or false | Q 6

Microbes have the natural ability of decomposing the man-made chemicals.

  • True

  • False

Write true or false | Q 7

Antibiotics cannot be obtained from a variety of bacteria and fungi.

  • True

  • False

Match the following

SCERT Maharashtra Question Bank solutions for 10th Standard SSC Science and Technology 2 Maharashtra State Board 2021 Chapter 7 Introduction to Microbiology Match the following

Match the following | Q 1

Match the following.

Column A Column B
1) Aspartame a) Anaerobic respiration
2) Fermentation b) Microbial restrictor
3) Niacin c) Vanillin
4) Essence d) Sweetener
Match the following | Q 2

Match the following.

Column A Column B
1) Baker’s yeast a) Probiotics
2) Sauerkraut b) Bread
3) Ligases c) Antibiotics
4) Penicillin d) Microbial enzyme
Answer in one sentence

SCERT Maharashtra Question Bank solutions for 10th Standard SSC Science and Technology 2 Maharashtra State Board 2021 Chapter 7 Introduction to Microbiology Answer in one sentence

Answer in one sentence.

Answer in one sentence | Q 1

Which fungus is used to make soya sauce by fermentation?

Answer in one sentence | Q 2

Why does the process of dirt removal occur in detergents even at low temperature?

Answer in one sentence | Q 3

What is added to impart thickness to instant soup?

Answer in one sentence | Q 4

Which chemical substances get mixed with the soil by adding chemical pesticides and insecticides in the agricultural industry?

Answer in one sentence | Q 5

Which microbes convert uranium to its insoluble salts?

Give scientific reasons

SCERT Maharashtra Question Bank solutions for 10th Standard SSC Science and Technology 2 Maharashtra State Board 2021 Chapter 7 Introduction to Microbiology Give scientific reasons

Give scientific reasons | Q 1

Give scientific reason.

Probiotics have got more importance in recent times.

Give scientific reasons | Q 2

Give scientific reason.

Bread and other products made using commercial yeast are nutritious.

Give scientific reasons | Q 3

Give scientific reason.

Microbial enzymes are eco-friendly.

Give scientific reasons | Q 4

Give scientific reason.

A biofuel is an important tool in renewable energy sources.

Give scientific reasons | Q 5

Give scientific reason.

The landfill pit is lined with plastic sheets.

Give scientific reasons | Q 6

Give scientific reason.

Microorganisms are used to control the effects of sea oil spills.

Write short notes

SCERT Maharashtra Question Bank solutions for 10th Standard SSC Science and Technology 2 Maharashtra State Board 2021 Chapter 7 Introduction to Microbiology Write short notes

Write short notes | Q 1

Write a short note.

Probiotics

Write short notes | Q 2

Write a short note.

Microbial Enzymes

Write short notes | Q 3

Write a short note.

Bio-fuels

Write short notes | Q 4

Write a short note.

Land filling sites

Write short notes | Q 5

Write a short note.

Microbial inoculants

Write short notes | Q 6

Write a short note.

Bioinsecticides

Answer the following questions

SCERT Maharashtra Question Bank solutions for 10th Standard SSC Science and Technology 2 Maharashtra State Board 2021 Chapter 7 Introduction to Microbiology Answer the following questions

Answer the following questions.

Answer the following questions | Q 1

Complete the concept map.

Answer the following questions | Q 2

In industries microbial enzymes are used over chemical enzymes.

Answer the following questions | Q 3

How is soil pollution controlled by microbes?

Answer the following questions | Q 4

Why should we use bioinsecticides?

Answer the following questions | Q 5

Explain – Importance of microbes in sewage (water) treatment in cities.

Answer the following questions | Q 6

How are microbes useful in land filling for solid waste management?

Answer the following questions | Q 7

Which fuels do we get from microbes?

Answer the following questions | Q 8

What is the importance of probiotics to humans?

Answer the following questions | Q 9

What is the use of antibiotics to human and other animals?

Answer the following questions | Q 10

What are the benefits of microbial inoculation in plants?

Answer the following questions | Q 11

Explain products made from microbes and their uses.

Solve the following questions

SCERT Maharashtra Question Bank solutions for 10th Standard SSC Science and Technology 2 Maharashtra State Board 2021 Chapter 7 Introduction to Microbiology Solve the following questions

Solve the following questions.

Solve the following questions | Q 1

Briefly explain the environmental role of microorganisms in pollution control?

Solve the following questions | Q 2

What products do you get from microorganisms through the fermentation process? Explain with an example.

Solve the following questions | Q 3

Explain biofuel production with the help of diagram.

Solve the following questions | Q 4

Observe the figure and write the answers to the questions asked.

  1. Write the name of the fungus in the figure above.
  2. What is the source of these fungi?
  3. Which organic acid obtained from this organism is used in commercial production?
Solve the following questions | Q 5

Observe the figure and write the answers to the questions asked.

  1. Name the above figure.
  2. What is it used for?
  3. Which gas is formed in it?
  4. How is this gas formed?
  5. What is done with sewage?
Solve the following questions | Q 6

Complete the paragraph by selecting the appropriate option in parentheses.

(energy, microbial, erosion-proof, reused, purification, environmentally friendly)

Nowadays, instead of chemical catalysts, _______ enzymes are used in the chemical industry. These enzymes are active at low temperature, pH and pressure; due to which _______ is saved and _______ instruments are also not necessary. Enzymes carry out specific processes; hence unnecessary by-products are not formed due to which expenses on _______ are minimised. In case of microbial enzymatic reactions elimination and decomposition of waste material is avoided and enzymes can be _______ Hence, such enzymes are _______.

Solve the following questions | Q 7

Read the following paragraph and write the answers to the questions asked.

Sulphuric acid is present in the acid rain and materials coming out of mines. You know that erosion of metals present in statues, bridges and buildings occurs due to it. Sulphuric acid is a source of energy for some species of bacteria like Acidiphilium spp. and Acidithiobacillus ferrooxidans. Hence, these bacteria can control the soil pollution occurring due to acid rain. Water soluble salts of uranium are present in the wastes produced during electroplating and in effluent released in the environment from the atomic energy plant. Geobacter convert these salts of uranium into insoluble salts and thereby prevent those salts from mixing with groundwater sources.

  1. What causes metal erosion in statues, bridges and buildings?
  2. Sulphuric acid is the source of energy for which bacteria?
  3. What kind of pollution do these bacteria control?
  4. What are the water soluble salts in atomic energy plants and in the process of electroplating?
  5. Which bacteria prevent these salts from mixing with ground water by converting them Into insoluble salts?
Solve the following questions | Q 8

Write the answers to the questions by observing the figure.

  1. What type of fuel production process is shown in the figure?
  2. Write two examples of each of the solid, liquid and gaseous fuels produced in this fuel production process?
  3. How do microorganisms play their role in this process?
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Chapter 7: Introduction to Microbiology

Choose the correct optionFind an odd one outName the followingRelate the followingWrite true or falseMatch the followingAnswer in one sentenceGive scientific reasonsWrite short notesAnswer the following questionsSolve the following questions
SCERT Maharashtra Question Bank solutions for 10th Standard SSC Science and Technology 2 Maharashtra State Board 2021 chapter 7 - Introduction to Microbiology - Shaalaa.com

SCERT Maharashtra Question Bank solutions for 10th Standard SSC Science and Technology 2 Maharashtra State Board 2021 chapter 7 - Introduction to Microbiology

SCERT Maharashtra Question Bank solutions for 10th Standard SSC Science and Technology 2 Maharashtra State Board 2021 chapter 7 (Introduction to Microbiology) include all questions with solution and detail explanation. This will clear students doubts about any question and improve application skills while preparing for board exams. The detailed, step-by-step solutions will help you understand the concepts better and clear your confusions, if any. Shaalaa.com has the Maharashtra State Board 10th Standard SSC Science and Technology 2 Maharashtra State Board 2021 solutions in a manner that help students grasp basic concepts better and faster.

Further, we at Shaalaa.com provide such solutions so that students can prepare for written exams. SCERT Maharashtra Question Bank textbook solutions can be a core help for self-study and acts as a perfect self-help guidance for students.

Concepts covered in 10th Standard SSC Science and Technology 2 Maharashtra State Board 2021 chapter 7 Introduction to Microbiology are Microorganisms (Microbes) and Microbiology, Uses of Microorganisms (Microbes), Applied Microbiology, Industrial Microbiology.

Using SCERT Maharashtra Question Bank 10th Standard [इयत्ता १० वी] solutions Introduction to Microbiology exercise by students are an easy way to prepare for the exams, as they involve solutions arranged chapter-wise also page wise. The questions involved in SCERT Maharashtra Question Bank Solutions are important questions that can be asked in the final exam. Maximum students of Maharashtra State Board 10th Standard [इयत्ता १० वी] prefer SCERT Maharashtra Question Bank Textbook Solutions to score more in exam.

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