Practice Questions

TLS Online TPP Program

#Question id: 1086

What is the most likely mechanism by which testosterone functions inside a cell?

#Unit 4. Cell Communication and Cell Signaling

It acts as a signal receptor that activates tyrosine kinases.
It binds with a receptor protein that enters the nucleus and activates expression of specific genes.
It acts as a steroid signal receptor that activates ion channel proteins in the plasma membrane.
It coordinates a phosphorylation cascade that reduces spermatogenesis.

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TLS Online TPP Program

#Question id: 12398

#Unit 6. System Physiology – Plant

Early auxin-responsive genes have been identified as ___

I. Genes involved in auxin-regulated growth and development

II. Gene involved in Stress response

Given some genes below which are identified as auxin regulated growth as well as stress response gene;

a) glutathione S-transferases

b) AUX/IAA gene family

c) 1-aminocyclopropane-1-carboxylic acid (ACC) synthase

d) GH3 gene family

e) SAUR gene family

Which one of the following combination from the above early auxin responsive gene is correct?

TLS Online TPP Program

#Question id: 29011

#Unit 7. System Physiology – Animal

PTH actions on the kidney

TLS Online TPP Program

#Question id: 32712

#Unit 1. Molecules and their Interaction Relevant to Biology

Whose function is to interconvert L-alanine to D-alanine

TLS Online TPP Program

#Question id: 28716

#Unit 2. Cellular Organization

Clathrin vesicle coated with which coat proteins?

a) Clathrin + AP1 complexes

b) Clathrin + Coatomers

c) Clathrin + GGA

d) Clathrin + Sec16

TLS Online TPP Program

#Question id: 5261

#Unit 8. Inheritance Biology

Which of these statements about prokaryotes is correct?