Microbes in Human Welfare TS

Lactic Acid Bacteria can check the growth of disease causing :

Alexander Fleming discovered Penicillin and named it after :

Fleming first observed the antibiotic properties of the mould that makes penicillin. But the credit to develop it into a useful treatment goes to :

Which of the following human diseases cannot be treated by antibiotics ?

During which stage of the sewage treatment are the microbes used ?

In the anaerobic sludge digesters during sewage water treatment :

Consider the given statements:
\(
\begin{array}{|l|l|}
\hline \text { Statement I: } & \begin{array}{l}
\text { Gobar gas is biogas, but not all biogas can } \\
\text { be called gobar gas. }
\end{array} \\
\hline \text { Statement II: } & \begin{array}{l}
\text { Gobar gas strictly refers to cow dung } \\
\text { biogas obtained from the anaerobic } \\
\text { ligestion of cow dung only, however, the } \\
\text { final product isn’t much different, and } \\
\text { gobar gas is usually called biogas by } \\
\text { subject matter experts. }
\end{array} \\
\hline
\end{array}
\)

The part of the complex stomach of ruminants that has methanogens present is the :

The residue left after methane production from cattle dung is :

Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R).
\(
\begin{array}{|l|l|}
\hline \text { Assertion (A): } & \begin{array}{l}
\text { The organic farmer works to create a } \\
\text { system where the insects [pests] are not } \\
\text { eradicated but kept at a manageable } \\
\text { level. }
\end{array} \\
\hline \text { Reason (R): } & \begin{array}{l}
\text { A key belief of organic farmer is that } \\
\text { biodiversity furthers health and the more } \\
\text { variety a landscape has, the more } \\
\text { sustainable it is. }
\end{array} \\
\hline
\end{array}
\)
Choose the most appropriate answer:

Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R).
\(
\begin{array}{|l|l|}
\hline \text { Assertion (A): } & \begin{array}{l}
\text { The organic farmer holds the view that } \\
\text { the eradication of the creatures that are } \\
\text { often described as pests is undesirable. }
\end{array} \\
\hline \text { Reason (R): } & \begin{array}{l}
\text { The eradication of the creatures that are } \\
\text { often described as pests is not possible. }
\end{array} \\
\hline
\end{array}
\)
Choose the most appropriate answer:

Which of the following fixes atomospheric nitrogen:-

Pasteurization takes place at-

The technology of biogas production in India has been developed by the efforts of
A. Khadi and Village Industries Commission (KVIC)
B. Indian Council of Agricultural Research (IARI)
C. Indian Agricultural Research Institute (IARI)
D. Indian Council of Medical Research (ICMR)

Name the blank spaces a, b, c and d from the table given below:
\(
\begin{array}{|c|c|c|c|}
\hline
\text{Type of Microbe} & \text{Scientific Name} & \text{Product} & \text{Medical Application} \\
\hline
\text{(i) Fungus} & \text{A} & \text{Cyclosporin} & \text{B} \\
\hline
\text{(ii) C} & \text{Monascus purpureus} & \text{Statin} & \text{D} \\
\hline
\end{array}
\)

Which of the following food items is produced by fermentation by the microbes?
A. Idli
B. Dosa
C. Toddy
D. Cheese

Consider the following statements:
\(
\begin{array}{|l|l|}
\hline \text { I: } & \begin{array}{l}
\text { Statins, used as blood cholesterol-lowering agents, } \\
\text { are derived from Monascus purpureus }
\end{array} \\
\hline \text { II: } & \begin{array}{l}
\text { Cyclosporin A, derived from Trichoderma, is used } \\
\text { as an immunosuppressant }
\end{array} \\
\hline \text { III: } & \begin{array}{l}
\text { Baculoviruses, in the genus Nucleopolyhederovirus, } \\
\text { are species-specific, broad-spectrum insecticides }
\end{array} \\
\hline
\end{array}
\)
Which of the above statements are true ?

The vitamin whose content increases following th conversion of milk into curd by lactic acid bacteria is:

During which stage of the sewage treatment are the microbes used ?

Match the items in Column ‘ A ‘ and Column ‘ B ‘ and choose the correct answer.
\(
\begin{array}{|l|l|l|l|}
\hline & \text { Column I } & & \text { Column II } \\
\hline \text { A. } & \text { Lady bird } & \text { i. } & \text { Methanobacterium } \\
\hline \text { B. } & \text { Mycorrhiza } & \text { ii. } & \text { Trichoderma } \\
\hline \text { C. } & \text { Biological control } & \text { iii. } & \text { Aphids } \\
\hline \text { D. } & \text { Biogas } & \text { iv. } & \text { Glomus } \\
\hline
\end{array}
\)
The correct answer is:

A biological control being developed for use in the treatment of plant diseases is the fungus :

In paddy fields, important biofertilizers are :

Match the following list of bioactive substances and their roles:
\(
\begin{array}{|l|l|l|l|}
\hline & \text { Bioactive } & & \text { Substance Role } \\
\hline \text { A. } & \text { Statin } & \text { i. } & \text { Removal of oil stains } \\
\hline \text { B. } & \begin{array}{l}
\text { Cyclosporin } \\
\text { A }
\end{array} & \text { ii. } & \begin{array}{l}
\text { Removal of clots from blood } \\
\text { vessels }
\end{array} \\
\hline \text { C. } & \text { Streptokinase } & \text { iii. } & \text { Lowering of blood cholesterol } \\
\hline \text { D. } & \text { Lipase } & \text { iv. } & \text { Immuno-suppressive agent } \\
\hline
\end{array}
\)

Choose Correct Match:-

Match each item in Column I with one item in Column II and chose your answer from the codes given below.
\(
\begin{array}{|l|l|}
\hline \text { Column I } & \text { Column II } \\
\hline \text { I. Aspergillus niger } & \text { 1. Clot buster } \\
\text { II. Streptococcus } & \text { 2. Citric acid } \\
\text { III. Trichoderma } & \text { 3. Cyclosporin A } \\
\text { IV. Monascus purpureuss } & \text { 4. Statins } \\
\hline
\end{array}
\)
Codes:
\(
\begin{array}{|l|l|l|l|l|}
\hline & \text { I } & \text { II } & \text { III } & \text { IV } \\
\hline 1 . & 1 & 2 & 3 & 4 \\
\hline 2 . & 2 & 1 & 4 & 3 \\
\hline 3 . & 2 & 1 & 3 & 4 \\
\hline 4 . & 1 & 2 & 4 & 3 \\
\hline
\end{array}
\)

Match each item in Column I(biocontrol agent) with one item in Column II(pest controlled) and chose your answer from the codes given below.
\(
\begin{array}{|l|l|l|l|}
\hline & \text { COLUMN I } & & \text { COLUMN II } \\
\hline \text { A. } & \text { Ladybird } & \text { P. } & \text { Mosquitoes } \\
\hline \text { B. } & \text { Dragonflies } & \text { Q. } & \text { Aphids } \\
\hline \text { C. } & \text { Trichoderma } & \text { R. } & \text { Fungus } \\
\hline \text { D. } & \text { Baculoviruses } & \text { S. } & \text { Virus } \\
\hline
\end{array}
\)
Codes:
\(
\begin{array}{|l|l|l|l|l|}
\hline & \text { A } & \text { B } & \text { C } & \text { D } \\
\hline 1 . & \text { P } & \text { Q } & \text { R } & \text { S } \\
\hline 2 . & \text { Q } & \text { P } & \text { R } & \text { S } \\
\hline 3 . & \text { P } & \text { Q } & \text { S } & \text { R } \\
\hline 4 . & \text { Q } & \text { P } & \text { S } & \text { R } \\
\hline
\end{array}
\)

What is incorrect regarding organic farming ?

Methanogens grow anaerobically on cellulosic material and produce
A. methane
B. oxygen
C. carbon dioxide
D. hydrogen

Statins used for lowering blood-cholesterol level are extracted from –

The solids which settle after primary treatment of sewage are called

Which of the following organisms is used in the production of beverages ?

Benefits of mycorrhizae are –
A. Resistance to root-borne pathogens
B. Tolerance to sanity and absorption of phosphorus
C. Tolerance to drought
D. Overall increase in the plant growth and development

Which of the following is correct ?
I. Wine and beer are produced without distillation of fermented broth
II. Wine and beer are produced with distillation of fermented broth
III. Whisky brand and rum are produced by distillation of fermented broth
IV. Whisky brand and rum are produced without distillation of fermented broth

Which one of the following sets includes bacterial diseases ?

The symbiotic association between fungi and roots of higher plants is called –

Which of the following antibiotics was discovered first ?