Practice Questions

TLS Online TPP Program

#Question id: 5207

Why is it unwise to try to relate an organismʹs complexity with its size or number of cells?

#Unit 11. Evolution and Behavior

A very large organism may be composed of very few cells or very few cell types.
A single-celled organism, such as a bacterium or a protist, still has to conduct all the complex life functions of a large multicellular organism.
A single-celled organism that is also eukaryotic, such as a yeast, still reproduces mitotically.
A simple organism can have a much larger genome.

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TLS Online TPP Program

#Question id: 10325

#Unit 9. Diversity of Life Forms

Ultimately, which of these serves as the basis for both the principle of maximum parsimony and the principle that shared complexity indicates homology rather than analogy?

TLS Online TPP Program

#Question id: 3512

#Unit 8. Inheritance Biology

How many different type of gamete produced by plant having genotype AABBccDd?

TLS Online TPP Program

#Question id: 1392

#Unit 4. Cell Communication and Cell Signaling

In the nematode C. elegans, ced-9 prevents apoptosis in a normal cell in which of the following ways?

TLS Online TPP Program

#Question id: 19102

#Unit 6. System Physiology – Plant

Phytoplasmas are specialized bacteria that are obligate parasites of the phloem tissue. They are mainly spread by these insects except;