Practice Questions

TLS Online TPP Program

#Question id: 334

Which of the following statements about hydrogen bonding is not true?

#Unit 1. Molecules and their Interaction Relevant to Biology

In liquid water, the average water molecule forms hydrogen bonds with three to four other water molecules.
Hydrogen bonds account for the anomalously high boiling point of water.
Individual hydrogen bonds in liquid water exist for many seconds and sometimes for minutes.
The strength of a hydrogen bond depends on the linearity of the three atoms involved in the bond.

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TLS Online TPP Program

#Question id: 23163

#Unit 13. Methods in Biology

Out of the given below alexa dyes which one will emit in red light range?

TLS Online TPP Program

#Question id: 3294

#Unit 11. Evolution and Behavior

Which one of these processes describes bottleneck effect?

TLS Online TPP Program

#Question id: 21243

#Unit 7. System Physiology – Animal

A 62-year-old Caucasian woman experienced a rapid onset of blurry vision along with loss of central vision. A comprehensive eye exam showed that she had wet age-related macular degeneration. The fovea of the eye

TLS Online TPP Program

#Question id: 14727

#Unit 13. Methods in Biology

Two persons A and B have respectively n + 1 and n coins, which they toss simultaneously. Then the probability that A will have more heads than B is

TLS Online TPP Program

#Question id: 7758

#Unit 5. Developmental Biology

Chlorophyll is tightly bound in complexes with proteins. During senescence these chlorophyll–protein complexes must be dismantled to allow the apoproteins to be recycled by___