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TLS Online TPP Program

#Question id: 12580

When levels of CO2 are experimentally increased, C3 plants generally respond with a greater increase in productivity than C4 plants. This is because

#Unit 10. Ecological Principles
  1. C   plants are more efficient in their use of CO2
  2. C   plants are able to obtain the same amount of CO2 by keeping their stomata open for shorter periods of time.
  3. C4 plants don’t use CO2 as their source of carbon.
  4. C3 plants are more limited than C4 plants by CO2 availability because of transpirational water loss.
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TLS Online TPP Program

#Question id: 2508

#Unit 2. Cellular Organization

If you treated cells with a drug that interferes with microtubules, such as colchicine, which of the following would result?

A. Cell shape would be disrupted.

B. Mitosis and meiosis would not occur.

C. The intracellular location of organelles would be disrupted.
TLS Online TPP Program

#Question id: 15958

#Unit 12. Applied Biology

During the protoplast fusion which technique is most commonly used as it induces reproducible high frequency fusion accompanied with low toxicity to most cell types?
TLS Online TPP Program

#Question id: 3549

#Unit 8. Inheritance Biology

When a plant of chromosomal type aa pollinates plant of type AA, what is the chromosome constitution of embryo and endosperm is expected in the resulting seeds
TLS Online TPP Program

#Question id: 12948

#Unit 13. Methods in Biology

Proteolytic cleavage of DNA polymerase by subtilisin caused loss of its nick translation activity. Which of the following properties is lost?
TLS Online TPP Program

#Question id: 12282

#Unit 10. Ecological Principles

Pielou Evenness index