Practice Questions

TLS Online TPP Program

#Question id: 4943

In what way were conditions on the early Earth of more than 3 billion years ago different from those on todayʹs Earth?

#XL - S Microbiology

only early Earth had water vapor in its atmosphere.
Only early Earth was intensely bombarded by large space debris.
Only early Earth had an oxidizing atmosphere.
Less ultraviolet radiation penetrated Earthʹs early atmosphere.

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TLS Online TPP Program

#Question id: 35564

#XL - R Botany

Which of the following statements about phototropins are correct?

TLS Online TPP Program

#Question id: 35565

#XL - R Botany

Which of the following are functions regulated by phototropins in plants?

TLS Online TPP Program

#Question id: 35566

#XL - R Botany

Which of the following plant photoreceptors are sensitive to blue light?

TLS Online TPP Program

#Question id: 35614

#XL - R Botany

Which of the following plant developmental processes are regulated by auxin?

TLS Online TPP Program

#Question id: 35615

#XL - R Botany

Auxin influences plant growth and development through which of the following mechanisms?

TLS Online TPP Program

#Question id: 35616

#XL - R Botany

Which of the following effects are primarily attributed to exogenous application of synthetic auxins like NAA or 2,4-D?