Practice Questions

TLS Online TPP Program

#Question id: 11353

Prior to the availability of a measles vaccine, outbreaks of measles occurred at two-year intervals, why?

#Unit 10. Ecological Principles

Measles outbreaks occurred during hard winters, which happen every other year
Two years were required for accumulation of enough susceptible infants
Immunity to measles wore off in about two years
Two years were required for the measles virus to disperse from tropical sources

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TLS Online TPP Program

#Question id: 7216

#Unit 5. Developmental Biology

Following statements are about Specification of cell fate by the Dorsal protein. Which of the following statement is correct?

TLS Online TPP Program

#Question id: 10918

#Unit 6. System Physiology – Plant

The import into sinks such as developing roots, tubers, and reproductive structures, In many ways the events in sink tissues are simply the reverse of the events in sources. The following steps are involved in the import of sugars into sink cells such as;

TLS Online TPP Program

#Question id: 33704

#Unit 2. Cellular Organization

Find true and false statements

A. Tandemly repeated sequences are liable to undergo misalignments during chromosome pairing

B. The sizes of tandem clusters tend to be homozygous in population

C. The smaller clusters of tandemly repeated sequences can be used to characterize individual genomes

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___

TLS Online TPP Program