TN State Board Samacheer Kalvi Online Test for 11th Std - Bio Zoology - English - Microbes in Human Welfare

Question 1 Of 10

CO2 is not released during

Alcoholic fermentation Lactate fermentation Aerobic respiration in animals Aerobic respiration in plants

Question 2 Of 10

Find the odd sentence out.
(i) Biogas primarily consists of methane with CO2 and hydrogen
(ii) The greater the BOD of wastewater the more its polluting potential
(iii) World biofuel day is observed on 10th August
(iv) Cyclosporin A is obtained from Trichoderma polysporum.

i and iii ii and iv i and iv none of the above

Question 3 Of 10

The flavour in the yogurt is due to ………………..

Formaldehyde Lactate Acetaldehyde Caesin

Question 4 Of 10

In primary sewage treatment, the floating debris are removed by………………….

Distillation Sedimentation Sequential filtration Biological oxidation

Question 5 Of 10

Statement 1: Saccharomyces cerevisiae is commonly called as Baker’s yeast.
Statement 2: Yogurt is produced by the fermentation of milk by saccharomyces cerevisiae

Statement 1 is correct. Statement 2 is incorrect. Statement 1 is incorrect. Statement 2 is correct. Both statements 1 and 2 are incorrect. Both statements 1 and 2 are correct.

Question 6 Of 10

Which of the following pair is correctly matched for the product produced by them?

Acetobacter aceti – Antibiotics Methanobacterium – Lactic acid Penicilium notatum – Acetic acid Saccharomyces cerevisiae – Ethanol

Question 7 Of 10

Which of the following microorganism is used for production of citric acid in industries?

Lactobacillus bulgaris Penicillium citrinum Aspergillus niger Rhizopus nigricans

Question 8 Of 10

Name the person who was the first to use the term antibiotic.

Selman Waksman Alexander Flemming Earnest Chain Howard Florey

Question 9 Of 10

Statement 1: Prebiotics are the compounds in food that induce the growth of beneficial microbes
Statement 2: LAB is a probiotic

Statement 1 is correct. Statement 2 is incorrect. Statement 1 is incorrect. Statement 2 is correct. Both statements 1 and 2 are incorrect. Both statements 1 and 2 are correct.

Question 10 Of 10

The gases produced in anaerobic sludge digesters are ………….

Methane, oxygen and hydrogen sulphide. Hydrogen sulphide, methane and sulphur dioxide. Hydrogen sulphide, nitrogen and methane. Methane, hydrogen sulphide and CO2

Tamil Nadu State Board ( Samacheer Kalvi ) Online Test based on Book Back Questions - 11th Standard Bio Zoology - English Medium - Microbes in Human Welfare

Samacheer Kalvi 11th Bio Zoology - Microbes in Human Welfare - Book Back Questions in English Medium

Question 1 Of 10

CO2 is not released during

Question 2 Of 10

Find the odd sentence out.
(i) Biogas primarily consists of methane with CO2 and hydrogen
(ii) The greater the BOD of wastewater the more its polluting potential
(iii) World biofuel day is observed on 10th August
(iv) Cyclosporin A is obtained from Trichoderma polysporum.

Question 3 Of 10

The flavour in the yogurt is due to ………………..

Question 4 Of 10

In primary sewage treatment, the floating debris are removed by………………….

Question 5 Of 10

Statement 1: Saccharomyces cerevisiae is commonly called as Baker’s yeast.
Statement 2: Yogurt is produced by the fermentation of milk by saccharomyces cerevisiae

Question 6 Of 10

Which of the following pair is correctly matched for the product produced by them?

Question 7 Of 10

Which of the following microorganism is used for production of citric acid in industries?

Question 8 Of 10

Name the person who was the first to use the term antibiotic.

Question 9 Of 10

Statement 1: Prebiotics are the compounds in food that induce the growth of beneficial microbes
Statement 2: LAB is a probiotic

Question 10 Of 10

The gases produced in anaerobic sludge digesters are ………….

Tags

Tamil Nadu State Board ( Samacheer Kalvi ) Online Test based on Book Back Questions - 11th Standard Bio Zoology - English Medium - Microbes in Human Welfare

Samacheer Kalvi 11th Bio Zoology - Microbes in Human Welfare - Book Back Questions in English Medium

Question 1 Of 10

CO2 is not released during

Question 2 Of 10

Find the odd sentence out. (i) Biogas primarily consists of methane with CO2 and hydrogen (ii) The greater the BOD of wastewater the more its polluting potential (iii) World biofuel day is observed on 10th August (iv) Cyclosporin A is obtained from Trichoderma polysporum.

Question 3 Of 10

The flavour in the yogurt is due to ………………..

Question 4 Of 10

In primary sewage treatment, the floating debris are removed by………………….

Question 5 Of 10

Statement 1: Saccharomyces cerevisiae is commonly called as Baker’s yeast. Statement 2: Yogurt is produced by the fermentation of milk by saccharomyces cerevisiae

Question 6 Of 10

Which of the following pair is correctly matched for the product produced by them?

Question 7 Of 10

Which of the following microorganism is used for production of citric acid in industries?

Question 8 Of 10

Name the person who was the first to use the term antibiotic.

Question 9 Of 10

Statement 1: Prebiotics are the compounds in food that induce the growth of beneficial microbes Statement 2: LAB is a probiotic

Question 10 Of 10

The gases produced in anaerobic sludge digesters are ………….

Tags

Find the odd sentence out.
(i) Biogas primarily consists of methane with CO2 and hydrogen
(ii) The greater the BOD of wastewater the more its polluting potential
(iii) World biofuel day is observed on 10th August
(iv) Cyclosporin A is obtained from Trichoderma polysporum.

Statement 1: Saccharomyces cerevisiae is commonly called as Baker’s yeast.
Statement 2: Yogurt is produced by the fermentation of milk by saccharomyces cerevisiae

Statement 1: Prebiotics are the compounds in food that induce the growth of beneficial microbes
Statement 2: LAB is a probiotic