Practice Questions

TLS Online TPP Program

#Question id: 2242

What two features of the structure of cholesterol make it somewhat amphipathic?

#XL - Q Biochemistry

The single hydroxyl along with the hydrocarbon nature of the remainder of the molecule
The long, branched hydrocarbon along with the four hydrocarbon rings
The five methyl groups along with the hydrocarbon chain
The three six-membered rings along with the single five-membered ring

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TLS Online TPP Program

#Question id: 12671

#XL - R Botany

When genetic changes in an entire plant population have been fixed over many generations by selective environmental pressure, those changes are referred to as,

TLS Online TPP Program

#Question id: 12673

#XL - T Zoology

Burning fossil fuels releases oxides of sulphur and nitrogen. Ultimately, these are probably responsible for

TLS Online TPP Program

#Question id: 12673

#XL - R Botany

Burning fossil fuels releases oxides of sulphur and nitrogen. Ultimately, these are probably responsible for

TLS Online TPP Program

#Question id: 12674

#XL - R Botany

You have a friend who is wary of environmentalists? claims that global warming could lead to major biological change on Earth. Which of the following statements can you truthfully make in response to your friend's suspicions?

TLS Online TPP Program

#Question id: 12677

#XL - R Botany

Aquatic ecosystems that are most readily damaged by acid are those that lack an important buffer that dissolves into the runoff after a precipitation event. What is this buffer?

TLS Online TPP Program

#Question id: 12678

#General Aptitude

The length of the diagonal of a square is ‘a’ cm. Which of the following represents the area of the square (in sq. cm.) ?