Practice Questions

TLS Online TPP Program

#Question id: 10169

Which of the following is not the effect of C3 and C4 cycle in hot and dry climates ?

#Unit 6. System Physiology – Plant

elevated temperatures limit the rate of photosynthetic CO2 assimilation in C3 plants by decreasing the solubility of CO2
In C4 plants warm climates decrease the levels of CO2, but the low concentrations of cytosolic HCO3 − saturate PEP Case because the affinity of the enzyme for its substrate is sufficiently high
The optimal photosynthetic efficiency of C3 species generally occurs at temperatures lower than for C4 species
C4 species become less abundant in the tropics and subtropics and more abundant when latitudes depart from the equator

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TLS Online TPP Program

#Question id: 19176

#Unit 13. Methods in Biology

Which of the following is separated through column chromatography?

TLS Online TPP Program

#Question id: 12602

#Unit 10. Ecological Principles

Aquatic primary productivity is most limited by which of the following?

TLS Online TPP Program

#Question id: 10401

#Unit 6. System Physiology – Plant

Chloroplast movements in some plants is maintained by fused molecules of phytochrome and phototropin is known as

TLS Online TPP Program

#Question id: 3989

#Unit 3. Fundamental Processes

Which one of the following statements about the transcription attenuation mechanism is true?

TLS Online TPP Program

#Question id: 24434

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following is correct order of proton-driven rotation of the c ring