TN State Board Samacheer Kalvi Online Test for 12th Std - Bio Zoology - English - Microbes in Human Welfare

Question 1 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

Question 2 Of 10

Human insulin is being commercially produced from a transgenic species of…………………

Escherichia Mycobacterium Streptococcus Penicillin

Question 3 Of 10

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

Formaldehyde Lactate Acetaldehyde Caesin

Question 4 Of 10

The leavering of the dough during fermentation is due to

Formation of ethyl alchohol Formation of CO2 Formation of oxygen Action of zymase enzyme

Question 5 Of 10

Select the correct statement from the following.

Primary treatment of sewage involves biological oxidation Excreta of cattle is commonly called Gobur Delta endotoxin of Bacillus thuringiensis is encoded by pen-genes. Trichoderma is a free-timing bacteria very common in root ecosystem.

Question 6 Of 10

Which of the following bacteria is used extensively as a bio-pesticide?

Bacillus thurigiensis Bacillus subtilis Lactobacillus acidophilus Streptococcus lactis

Question 7 Of 10

Assertion (A): Oenology deals with study of wine and its preparation.
Reason (R): Zymology deals with the biochemical process of fermentation and its uses.

A is right R is wrong. R explains A. A and R are wrong. A and R are right. R cannot explain A.

Question 8 Of 10

The most common substrate used in distilleries for the production of ethanol is

Soyameal Groundgram Molasses Com meal

Question 9 Of 10

Cry toxins obtained from Bacillus thuringiensis are effective against for ………….

Flies Nematodes Bollworms Bollworms

Question 10 Of 10

Assertion (A): Streptomycin is an antibiotic.
Reason (R): Antibiotic are microbial chemicals inhibits the growth of pathogenic microbe.

A is right R is wrong. R explains A. A and R are wrong. A and R are right. R cannot explain A. ‘

Tamil Nadu State Board ( Samacheer Kalvi ) Online Test based on Book Back Questions - 12th Standard Bio Zoology - English Medium - Microbes in Human Welfare

Samacheer Kalvi 12th Bio Zoology - Microbes in Human Welfare - Book Back Questions in English Medium

Question 1 Of 10

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

Question 2 Of 10

Human insulin is being commercially produced from a transgenic species of…………………

Question 3 Of 10

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

Question 4 Of 10

The leavering of the dough during fermentation is due to

Question 5 Of 10

Select the correct statement from the following.

Question 6 Of 10

Which of the following bacteria is used extensively as a bio-pesticide?

Question 7 Of 10

Assertion (A): Oenology deals with study of wine and its preparation.
Reason (R): Zymology deals with the biochemical process of fermentation and its uses.

Question 8 Of 10

The most common substrate used in distilleries for the production of ethanol is

Question 9 Of 10

Cry toxins obtained from Bacillus thuringiensis are effective against for ………….

Question 10 Of 10

Assertion (A): Streptomycin is an antibiotic.
Reason (R): Antibiotic are microbial chemicals inhibits the growth of pathogenic microbe.

Tags

Tamil Nadu State Board ( Samacheer Kalvi ) Online Test based on Book Back Questions - 12th Standard Bio Zoology - English Medium - Microbes in Human Welfare

Samacheer Kalvi 12th Bio Zoology - Microbes in Human Welfare - Book Back Questions in English Medium

Question 1 Of 10

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

Question 2 Of 10

Human insulin is being commercially produced from a transgenic species of…………………

Question 3 Of 10

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

Question 4 Of 10

The leavering of the dough during fermentation is due to

Question 5 Of 10

Select the correct statement from the following.

Question 6 Of 10

Which of the following bacteria is used extensively as a bio-pesticide?

Question 7 Of 10

Assertion (A): Oenology deals with study of wine and its preparation. Reason (R): Zymology deals with the biochemical process of fermentation and its uses.

Question 8 Of 10

The most common substrate used in distilleries for the production of ethanol is

Question 9 Of 10

Cry toxins obtained from Bacillus thuringiensis are effective against for ………….

Question 10 Of 10

Assertion (A): Streptomycin is an antibiotic. Reason (R): Antibiotic are microbial chemicals inhibits the growth of pathogenic microbe.

Tags

Assertion (A): Oenology deals with study of wine and its preparation.
Reason (R): Zymology deals with the biochemical process of fermentation and its uses.

Assertion (A): Streptomycin is an antibiotic.
Reason (R): Antibiotic are microbial chemicals inhibits the growth of pathogenic microbe.