Question

1.Green glands present in some arthropods help
in
(a) respiration (b) excretion
(c) digestion (d) none of these.
2.Limulus belongs to class
(a) merostomata (b) insecta
(c) crustacea (d) onychophora.
3.Hydra is a
(a) marine, radially symmetrical and diploblastic
(b) fresh water, biradially symmetrical and
triplobastic
(c) fresh water, radially symmetrical and
diploblastic
(d) marine, radially symmetrical and
triploblastic​

Answer 1

Answer:

1.Green glands present in some arthropods help

in

(a) respiration (b) excretion

(c) digestion (d) none of these.

2.Limulus belongs to class

(a) merostomata (b) insecta

(c) crustacea (d) onychophora.

3.Hydra is a

(a) marine, radially symmetrical and diploblastic

(b) fresh water, biradially symmetrical and

triplobastic

(c) fresh water, radially symmetrical and

diploblastic

(d) marine, radially symmetrical and

triploblastic