SET Biotechnology Practice Test 1 || SET Exam Questions

Biotechnnology Practice Test || SET Exam Questions- Set 1

1. The protein complex on the RER that functions in translocating nascent polypeptides:

A) Sec61 B) TIM C) Translocon D) SRP receptor

2. The function of the centrosome’s microtubule organising center is:

A) Cilia formation B) Spindle formation C) Spindle shortening D) Microtubule nucleation

3. An example of Primary active transport:

A) Na+ K+ ATPase B) Na+ -H+ exchange C) Cl- HCO3- exchange D) Na+ Ca2+ exchange

4. Which peroxisomal enzyme is active in breaking down fatty acids?

A) Catalase B) Acetyl CoA oxidase C) αThiolase D) Hydroxyl CoA dehydrogenase

5. The lectin which functions in ER-associated degradation (ERAD) pathway, which recognise misfolded proteins:

A) EDEM B) XTP3-B C) OS-9 D) HRD1

6. Transposons contribute to genomic evolution by:

A) Increasing gene expression B) Reducing genetic diversity C) Enhancing repair D) Inhibiting epigenetic variations

7. Kinetochore assembly is regulated by:

A) Aurora B Kinase B) PLK1 C) CENP-A D) All of these

8. Which of the following ensure stable binding of RNA polymerase at the promoter site?

A) DNA photolyase B) Sigma factor C) DNA glycosylase D) RecA

9. Thymine dimers are formed through:

A) Spontaneous deamination B) Oxidative stress C) Error prone replication D) UV-radiation

10. Arrange the following steps in the Ras-MAPK signalling pathway:
1. Ras-GTP binding
2. MEK activation
3. Raf phosphorylation
4. ERK activation

A) 1, 3, 2, 4 B) 1, 3, 4, 2 C) 1, 4, 3, 2 D) 1, 2, 3, 4

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