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1
NEET 2020 Phase 1
MCQ (Single Correct Answer)
+4
-1
Change Language
Match the following columns and select the correct option.
Column-I Column-II
(a) Clostridium butylicum (i) Cyclosporin-A
(b) Trichoderma polysporum (ii) Butyric Acid
(c) Monascus purpureus (iii) Citric Acid
(d) Aspergillus niger (iv) Blood cholesterol lowering agent
A
(A) $$ \to $$ (iii), (B) $$ \to $$ (iv), (C) $$ \to $$ (ii), (D) $$ \to $$ (i)
B
(A) $$ \to $$ (i), (B) $$ \to $$ (ii), (C) $$ \to $$ (iv), (D) $$ \to $$ (iii)
C
(A) $$ \to $$ (iv), (B) $$ \to $$ (iii), (C) $$ \to $$ (ii), (D) $$ \to $$ (i)
D
(A) $$ \to $$ (ii), (B) $$ \to $$ (i), (C) $$ \to $$ (iv), (D) $$ \to $$ (iii)
2
NEET 2019
MCQ (Single Correct Answer)
+4
-1
Change Language
What triggers activation of protoxin to active Bt toxin of Bacillus thuringiensis in boll worm?
A
Acidic pH of stomach
B
Body temperature
C
Alkaline pH of gut
D
Moist surface of midgut
3
NEET 2019
MCQ (Single Correct Answer)
+4
-1
Change Language
Thiobacillus is a group of bacteria helpful in carrying out :
A
Nitrification
B
Denitrification
C
Nitrogen fixation
D
Chemoautotrophic fixation
4
NEET 2019
MCQ (Single Correct Answer)
+4
-1
Change Language
Match the following organisms with the products they produce :
(a) Lactobacillus (i) Cheese
(b) Saccharomyces cerevisiae (ii) Curd
(c) Aspergillus nige (iii) Citric Acid
(d) Acetobacter aceti (iv) Bread
(v) Acetic Acid

Select the correct option.
A
(a) (b) (c) (d)
(iii) (iv) (v) (i)
B
(a) (b) (c) (d)
(ii) (i) (iii) (v)
C
(a) (b) (c) (d)
(ii) (iv) (v) (iii)
D
(a) (b) (c) (d)
(ii) (iv) (iii) (v)
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