Practice Questions

TLS Online TPP Program

#Question id: 9185

Plants are affected by an array of pathogens. Which of the following is a plant defense against disease?

#9. Diversity of Life Forms

cells near the point of infection destroying themselves to prevent the spread of the infection
production of chemicals that kill pathogens
acquiring gene-for-gene recognition that allows specific proteins to interact so that the plant can produce defenses against the pathogen
All of the above are plant defenses against disease.

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TLS Online TPP Program

#Question id: 16123

#7. System Physiology – Animal

How fever can be reduced by aspirin?

TLS Online TPP Program

#Question id: 23320

#Aptitude

The step of experimental method is

TLS Online TPP Program

#Question id: 14475

#13. Methods in Biology

Probability of getting tail in a throw of a coin is

TLS Online TPP Program

#Question id: 23742

#Aptitude

(a) P is behind M and N.

(b) Q is behind P.

Inference: Q is behind M.

TLS Online TPP Program

#Question id: 10708

#10. Ecological Principles

Which of the following statements is a likely explanation for why invasive species take over communities into which they have been introduced?