Alternation of generation is observed in

Select the correct match

Read the characteristics given below

(a) Jointed appendages

(b) Chitinous exoskeleton

(c) Parapodia

(d) Calcareous exoskeleton

How many of these characteristics are found in organism whose excretory structures are Malpighian tubules?

Read the given statements

$\left(\mathrm{A}\right)$ Locusta is considered a gregarious arthropod

$\left(\mathrm{B}\right)$ This pest has jointed appendages and attacks crops in a group

Select the correct option