What is common name of the following: (a) Pleurobranchia and (b) Cestum
(a) Comb jelly; (b) Venus's girdle.
What is common name of :
(a) Xylem (b) Phloem ?
(a) Give the name and structural formula of one member each of the following : (i) alkane (ii) alkene (iii) alkyne (iv) cycloalkane
(b) What are the common names of (i) Ethyne (ii) Ethene
(c) What is the chemical and structural formula of benzene?