The four covalent bonds in methane (CH4) are arranged around carbon to give which one of the following geometries?

TLS Online TPP Program

#Question id: 20983

#SCPH06 I Botany

Which is considered as less recalcitrant out of the BTEX compounds, and of lesser regulatory concern?

1. Xylene

2. Ethylbenzene

3. Toluene

4. Benzene

Which of the below combinations are correct?

TLS Online TPP Program

#Question id: 2296

#SCPH01 Biochemistry

Small metabolites, such as sugar and ions, pass between plant cells via _______

TLS Online TPP Program

#Question id: 14784

#SCPH06 I Botany

Ten points are marked on a straight line and 11 points are marked on another straight line. If any three points are chosen, what is the probability that it forms a triangle?

TLS Online TPP Program

#Question id: 4971

#SCPH28 | Zoology

On the basis of their morphologies, how might Linnaeus have classified the Hawaiian silverswords?

TLS Online TPP Program

#Question id: 19464

#SCPH01 Biochemistry

Which is the common fixative agent that crosslinks amino groups on adjacent molecules