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TLS Online TPP Program

#Question id: 10366

Cyanobacteria can fixes nitrogen in an anaerobic conditions. Which of the following statements about heterocyst which is specialized cell of blue-green algae is incorrect?

#Unit 6. System Physiology – Plant
  1. Anaerobic conditions are created in specialized cells called heterocysts, it appear to represent an adaptation for nitrogen fixation
  2. A heterocyst in a nonfilament of the nitrogen-fixing cyanobacterium Anabaena, which forms associations with the water fern Azolla
  3. Heterocysts are thick-walled cells that differentiate when filamentous cyanobacteria are deprived of NH4 +
  4. These cells lack photosystem II, the oxygen-producing photosystem of chloroplasts, so they do not generate oxygen
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TLS Online TPP Program

#Question id: 24005

#General Aptitude

Suppose you are a fresh appointee in a school, a girl student stays in school hostel throughout summer-break and preparing for the competitive examination. Because she does not rely on officials so she requests to collect her post at your postal address. What would you like to do in that case?
TLS Online TPP Program

#Question id: 12196

#Unit 6. System Physiology – Plant

IAN pathway may be important in only few plant families:
TLS Online TPP Program

#Question id: 18375

#Unit 12. Applied Biology

What is the function of Siderophores secreted by bacteria
TLS Online TPP Program

#Question id: 19818

#Unit 12. Applied Biology

For every gene for resistance possessed by the host, the pathogen has a corresponding gene for virulence. This relationship is called as
TLS Online TPP Program

#Question id: 11061

#Unit 7. System Physiology – Animal

The pleural pressure of a normal 56-year-old woman is approximately −5 cm H2O during resting conditions immediately before inspiration (i.e., at functional residual capacity). What is the pleural pressure (in cm H2O) during inspiration?