Name at .least five invertebrates belonging to different groups which are of economic' importance.

There are many reasons, some obvious and others not so obvious, but all equally important to conserve biodiversity. They are grouped into three categories. Among 3 categories, which one has a scope of 'bioprospecting', for exploring biodiversity for products of economic importance.

Name the plant group in which 'protonema' is present.

Some information related to the elements of the p block in the 17th group of the periodic table are given in the table below. Complete the able and analyse the following questions. a) What is the family name of element belonging to 17th group? b) what is their common valency? c) Which element has the highest electronegativity? d) Which element has highest ionisation energy? e) List out the name and chemical formula of the compounds formed by this elements with s block elements. '(##VPU_TTT_CHE_X_P01_C01_E02_002_Q01##)'

Name the phyla to which the following belongs to: i) Scorpion ii) starfish

Name any five hybrid varieties of crop plant which have been developed in India.