Presence of large amounts of nutrients in waters also causes excessive growth of ......algae.
Biomagnification
Algal bloom
Planktonic
Eutrophication
In stems, the protoxylem lies towards the centre and the metaxylem lies towards the periphery of the organ. This type of primary xylem is called:
Xylem fibres
Xylem parenchyma
Exarch
Endarch
............ are made up of sclerenchymatous cells. These are generally absent in the primary phloem but are found in the secondary phloem.
Xylem fibres
Xylem parenchyma
Phloem parenchyma
Phloem fibres
What type of a body plan does coelenterates, ctenophores and echinoderms have?
Annelida
Radial
Bilateral
Platyhelminthes
In the names Mangifera indica (mango), Solanum tuberosum (potato) and Panthera leo (lion), the terms Mangifera, Solanum and Panthera represent the higher level of?
Taxon
Taxonomic Hierarchy
Specific Epithet
Binomial Nomenclature
Which of the following is one of the commercial products obtained from Gelidium and Gracilaria and are used to grow microbes and in preparations of icecreams and jellies?
Agar
Chlorella
Spirullina
Gymnosperms
Taenia (Tapeworm), Fasciola (Liver fluke) are examples of which phylum?
Coelenterata
Platyhelminthes
Annelida
Arthropoda