Match the CORRECT combination of the phloem elements with its function.

            PHLOEM ELEMENTS                                                  FUNCTIONS

P) sieve tube elements                                    i) for protection and strengthening of the tissue

Q) sieve cells                                                  ii) store and release food molecules

R) companion cells                                        iii) food translocation in angiosperm

S) Phloem parenchyma cells                          iv) latex containing cells

T) Phloem fibers and sclereids                       v) help in flow of solute and show high, metabolic activity

U) laticifers                                                     vi) food translocation on gymnosperm

TLS Online TPP Program

#Question id: 27208

#XL - T Zoology

The sugar molecule present in nucleotide is

TLS Online TPP Program

#Question id: 27209

#XL - T Zoology

Nucleic acids are a polymer of nucleotide monomeric units. Each nucleotide consists of

TLS Online TPP Program

#Question id: 27227

#XL - T Zoology

In a DNA molecule, deoxyribonucleotides are joined into a polymer by the covalent linkage of a phosphate group. The covalent link termed as:

TLS Online TPP Program

#Question id: 27228

#XL - T Zoology

The structure of RNA differs from that of DNA, as RNA contains:

TLS Online TPP Program

#Question id: 27229

#XL - T Zoology

The bond between the bases and the sugars in DNA referred as:

TLS Online TPP Program

#Question id: 27230

#XL - T Zoology

Which form of DNA is described by Watson-Crick model?