The insects in which complete metamorphosis occurs are……..
a) ametabola
b) hemimetabola
c) holometabola
d) metabola
Explanation: e.g. flies, butterflies, moths and beetles etc
Most of the insects are……..
a) ametabolites
b) hemimetabolites
c) holometabolites
d) metabolites
Explanation: they have complete metamorphosis
The name of echinodermata is derived from two words ‘echino’ means……. derm means skin.
a) shell
b) jointed
c) spine
d) smooth
Explanation: animal of this phylum have spiny skins
Which of the following are the general characteristics of echinoderms?
a) exclusively marine, triploblastic, symmetry bilateral (larva), radial (adult)
b) exclusively marine, triploblastic, symmetry bilateral (in adult), radial (in larva)
c) exclusively marine, diploblastic, symmetry bilateral (in larva), radial (in adult)
d) live in fresh water, triploblastic, symmetry bilateral (in larva), radial (in adult)
Echinoderms are ……
a) acoelomates
b) coelomates
c) pseudocoelomates
d) both a and b
Explanation: with distinct oral and aboral surfaces
Which of the following are found in echinoderms for locomotion?
a) pseudopodia
b) flagella
c) jointed legs
d) tube feet
Explanation: tube feet has water vascular system