Practice Questions

TLS Online TPP Program

#Question id: 351

If the cytoplasm of a cell is at pH 7, and the mitochondrial matrix is at pH 8, then the concentration of H+ ions ________.

#1. Molecules and their Interaction Relevant to Biology

is 10 times higher in the cytoplasm than in the mitochondrial matrix
is 10 times higher in the mitochondrial matrix than in the cytoplasm
in the cytoplasm is 7/8 the concentration in the mitochondrial matrix
in the cytoplasm is 8/7 the concentration in the mitochondrial matrix

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TLS Online TPP Program

#Question id: 23444

#Aptitude

You find that the person whom you call your friend has been cheating you. what would you do?

TLS Online TPP Program

#Question id: 19788

#13. Methods in Biology

Thermal modulation are used in PCR for the function of__

TLS Online TPP Program

#Question id: 8927

#9. Diversity of Life Forms

Arthropods invaded land about 100 million years before vertebrates did so. This most clearly implies that

TLS Online TPP Program

#Question id: 9250

#9. Diversity of Life Forms

Of the following statements about protected areas that have been established to preserve biodiversity, which one is not correct?

TLS Online TPP Program

#Question id: 11547

#7. System Physiology – Animal

A cluster of tumor cells that produces and secretes growth factors to induce surrounding cells to grow and divide is showing which type of cell-to-cell signaling?