A lizard-like member of reptilia is sitting on a tree with its tail coiled around a twig. This animal could be
(1) Hemidactylus showing sexual dimorphism
(2) Varanus showing mimicry
(3) garden lizard (Calotes) showing camouflage
(4) Chamaeleon showing protective colouration
Which of the following does not come under the Class Mammals?
(1) Flying fox
(2) Hedgehog
(3) Manatee
(4) Lamprey
During the life-cycle, Fasciola hepatica (liver fluke) infects its intermediate host and primary host at the following larval stages respectively
(1) redia and miracidium
(2) cercaria and redia
(3) metacercaria and cercaria
(4) miracidium and metacercaria
Delicate hair-like feathers which remain sparsely distributed over the body are
(1) coverts
(2) filoplumes
(3) plumules
(4) remiges.
Which one feature is common to leech, cockroach and scorpion?
(1) Nephridia
(2) Ventral nerve cord
(3) Cephalization
(4) Antennae
National bird of India is
(1) Psittacula
(2) Passer domesticus
(3) Pavo cristatus
(4) Parakeet
Which of the following have porous body and have Cellular Level of Organization?
(1) Aurelia and Obelia
(2) Adamsia and Euplectella
(3) Leucosolenia and Spongilla
(4) Sycon and Hydra
Which animal has the longest gestation period?
(1) Shark
(2) Walrus
(3) Elephant
(4) Dog
Kingdom Animalia is characterised by
(1) direct dependence on autotrophs
(2) indirect dependence on autotrophs
(3) absence of chlorophyll
(4) absence of cell wall
Which of the following is a correct match?
(1) Frog — External ears
(2) Earthworm — Muscular gizzard, typhlosole
(3) Human — Fat globule, 10 pairs of cranial nerves
(4) Cockroach — Chilopoda