Practice Questions

TLS Online TPP Program

#Question id: 4132

In E. coli, aminoacyl-tRNA synthetases:

#XL - T Zoology

activate amino acids in 12 steps
are amino acid–specific; there is at least one enzyme specific for each amino acid.
fall into two classes, each of which attaches amino acids to different ends of the tRNA.
have no proofreading activities.

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TLS Online TPP Program

#Question id: 34930

#XL - R Botany

Which of the following clades are recognized as major informal groups in APG IV?

TLS Online TPP Program

#Question id: 34931

#XL - R Botany

According to APG IV, which of the following families were repositioned or newly placed?

TLS Online TPP Program

#Question id: 34932

#XL - R Botany

Which of the following clades or groups are included under eudicots in the APG system?

TLS Online TPP Program

#Question id: 34933

#XL - R Botany

Which of the following institutions in India are actively involved in plant taxonomy and herbarium studies?

TLS Online TPP Program

#Question id: 34934

#XL - R Botany

Which of the following are true regarding the Central National Herbarium (CAL)?

TLS Online TPP Program

#Question id: 34935

#XL - R Botany

Which of the following cities host regional centers of the Botanical Survey of India?