Viroids differ from viruses in having :
DNA molecules with protein coat
DNA molecules without protein coat
RNA molecules with protein coat
RNA molecules with protein coat
D.
RNA molecules with protein coat
Biosynthetic stage for synthesis of product in recombinant DNA technology is called upstreaming process while after completion of biosynthetic stage, the product has to be subjected through a series of processes which include separation and purification are collectively referred to as downstreaming processing.
Which of the following represents order of 'Horse'?
Equidae
Perissodactyla
Caballus
Caballus
Which of the following cell organelles is responsible for extracting energy from carbohydrates to form ATP?
Lysosome
Ribosome
Chloroplast
Chloroplast
Plants which produce characterstic pneumatophores and show vivipary belong to
Mesophytes
Halophytes
Psammophytes
Psammophytes
Select the mismatch
Pinus – Dioecious
Cycas – Dioecious
Salvinia – Heterosporous
Salvinia – Heterosporous
Which of the following facilitates opening of stomatal aperture?
Contraction of outer wall of guard cells
Decrease in turgidity of guard cells
Radial orientation of cellulose microfibrils in the cell wall of guard cells
Radial orientation of cellulose microfibrils in the cell wall of guard cells
Life cycle of Ectocarpus and Fucus respectively are
Haplontic, Diplontic
Diplontic, Haplodiplontic
Haplodiplontic, Diplontic
Haplodiplontic, Diplontic
