Practice Questions

TLS Online TPP Program

#Question id: 58

A covalent chemical bond is one in which ________.

#Unit 1. Molecules and their Interaction Relevant to Biology

electrons are removed from one atom and transferred to another atom so that the two atoms become oppositely charged
protons and neutrons are shared by two atoms so as to satisfy the requirements of both atoms
outer-shell electrons of two atoms are shared so as to satisfactorily fill their respective orbitals
outer-shell electrons of one atom are transferred to fill the inner electron shell of another atom

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TLS Online TPP Program

#Question id: 3536

#Unit 8. Inheritance Biology

What is the probability that selfing an F1 plant from Mendel dihybrid cross ( RrYy X RrYy) will produce an offspring with an rrYY genotype?

TLS Online TPP Program

#Question id: 19302

#Unit 12. Applied Biology

The assembly of various DNA sequences designed for easy identification of the construct and its efficient expression is termed as

TLS Online TPP Program

#Question id: 13161

#Unit 4. Cell Communication and Cell Signaling

Which of the following mechanism depends on the activation of heterotrimeric G proteins?

TLS Online TPP Program

#Question id: 11109

#Unit 7. System Physiology – Animal

The gas exchange that occurs between blood and tissue cells at systemic capillaries is called:

TLS Online TPP Program

#Question id: 23509

#General Aptitude

Tamilnadu coastal belt has drinking water shortage due to: