Practice Questions

TLS Online TPP Program

#Question id: 324

Why are hydrocarbons insoluble in water?

#Unit 1. Molecules and their Interaction Relevant to Biology

The majority of their bonds are polar covalent carbon-to-hydrogen linkages.
The majority of their bonds are nonpolar covalent carbon-to-hydrogen linkages.
They exhibit considerable molecular complexity and diversity.
They are less dense than water.

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TLS Online TPP Program

#Question id: 18382

#Unit 12. Applied Biology

Which bacterial enzyme has been transferred to Arabidopsis thaliana which can absorb mercury, and it reduces to volatile Hg from the leaf surface.

TLS Online TPP Program

#Question id: 9161

#Unit 9. Diversity of Life Forms

When climbing a mountain, we can observe transitions in biological communities that are analogous to the changes ________.

TLS Online TPP Program

#Question id: 23927

#General Aptitude

In an idealized Magneto hydrodynamic power plant, the maximum power output varies with fuel velocity (u) as:

TLS Online TPP Program

#Question id: 754

#Unit 1. Molecules and their Interaction Relevant to Biology

If the twisting of the DNA is in the same direction as that of the double helix, that is the helix is twisted up before closure, this form of super coiling is known as;

TLS Online TPP Program

#Question id: 767

#Unit 1. Molecules and their Interaction Relevant to Biology

With respect to how miRNAs work, which, if any, of the following statements, is false?