Practice Questions

TLS Online TPP Program

#Question id: 9168

Which of the following statements best describes the interaction between fire and ecosystems?

#Unit 9. Diversity of Life Forms

The likelihood of a wildfire occurring in a given ecosystem is highly predictable over the short term.
Many kinds of plants and plant communities have adapted to frequent fires.
The suppression of forest fires by humans has prevented certain communities, such as grasslands, from reaching their climax stage.
Chaparral communities have evolved to the extent that they rarely burn

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TLS Online TPP Program

#Question id: 14756

#Unit 5. Developmental Biology

A series of mitotic divisions whereby the enormous volume of egg cytoplasm is divided into numerous smaller, nucleated cells. These cleavage-stage cells are called as:

TLS Online TPP Program

#Question id: 14757

#Unit 5. Developmental Biology

Which of the following events are responsible for transition from fertilization to cleavage ?

TLS Online TPP Program

#Question id: 14758

#Unit 5. Developmental Biology

If contractile ring is disrupted during cleavage, which of the following process stop?

TLS Online TPP Program

#Question id: 14759

#Unit 5. Developmental Biology

Which of the following mechanical agent creates cleavage furrow during cleavage?

TLS Online TPP Program

#Question id: 14834

#Unit 5. Developmental Biology

Process by which a spatial and temporal pattern of cell activities is organized within the embryo so that a well-ordered structure develops:

TLS Online TPP Program

#Question id: 14835

#Unit 5. Developmental Biology

There are three main ways in which inducing signals may be passed between cells EXCEPT