Practice Questions

TLS Online TPP Program

#Question id: 10296

Which of the following statements about the oxidative pentose phosphate pathway is incorrect?

#Unit 6. System Physiology – Plant

NADPH production associated with biosynthetic and stress defense reactions
NADPH is a substrate for reactions that remove reactive oxygen species (ROS)
The reducing power generated by the pentose phosphate pathway can be balanced by mitochondrial NADPH oxidation
The first two reactions of oxidative pentose phosphate pathway—which are oxidizing reactions—are essentially reversible

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TLS Online TPP Program

#Question id: 19302

#Unit 12. Applied Biology

The assembly of various DNA sequences designed for easy identification of the construct and its efficient expression is termed as

TLS Online TPP Program

#Question id: 15670

#Unit 8. Inheritance Biology

A researcher would like to map the location of galE and trpA genes in a new species of bacterium that appears to be closely related to E. coli. He decides to use cotransduction, and generates appropriate donor and recipient strains. He is disappointed when cotransduction is not seen in his experiement. What is the most reasonable explanation for this situation?

TLS Online TPP Program

#Question id: 10602

#Unit 10. Ecological Principles

What are size of female population of butterfly (Breed once and one year life span ) after two year ?

Nt = 20 (initial population ) Nt+2 =?

Ro=1.5 number of female produced per female per generation

TLS Online TPP Program

#Question id: 11093

#Unit 7. System Physiology – Animal

The rate of O2 uptake by the breathing organ depends on the

TLS Online TPP Program

#Question id: 11959

#Unit 7. System Physiology – Animal

The process by which digested dietary substances cross cell membranes to be used by the body is known as ________.