1
NEET 2022 Phase 2
MCQ (Single Correct Answer)
+4
-1
Change Language

Which of the following pair represents free living nitrogen fixing aerobic bacteria?

A
Pseudomonas and Thiobacillus
B
Rhizobium and Frankia
C
Azotobacter and Beijernickia
D
Anabaena and Rhodospirillum
2
NEET 2022 Phase 2
MCQ (Single Correct Answer)
+4
-1
Change Language

Choose the incorrect enzymatic rection:

A
Dipeptides $$\buildrel {\mathrm{Dipeptidases}} \over \longrightarrow $$ Amino acids
B
Maltose $$\buildrel {\mathrm{Maltase}} \over \longrightarrow $$ Glucose + Fructose
C
Sucrose $$\buildrel {\mathrm{Sucrase}} \over \longrightarrow $$ Glucose + Fructose
D
Lactose $$\buildrel {\mathrm{Lactase}} \over \longrightarrow $$ Glucose + Galactose
3
NEET 2022 Phase 2
MCQ (Single Correct Answer)
+4
-1
Change Language

If DNA contained sulfur instead of phosphorus and proteins contained phosphorus instead of sulfur, what would have been the outcome of Hershey and Chase experiment?

A
Radioactive phosphorus in bacterial cells
B
No radioactive sulfur in bacterial cells
C
Both radioactive sulfur and phosphorus in bacterial cells
D
Radioactive sulfur in bacterial cells
4
NEET 2022 Phase 2
MCQ (Single Correct Answer)
+4
-1
Change Language

Given below are two statements:

Statement I : Amino acids have a property of ionizable nature of $$-$$NH2 and $$-$$COOH groups, hence have different structures at different pH.

Statement-II : Amino acids can exist as Zwitterionic form at acidic and basic pH.

In the light of the above statements, choose the most appropriate answer from the options given below:

A
Statement I is incorrect but Statement II is correct
B
Both Statement I and Statement II are correct
C
Both Statement I and Statement II are incorrect
D
Statement I is correct but Statement II is incorrect
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