Which one of the following animals lay eggs yet the female secret

Previous Year Papers

Download Solved Question Papers Free for Offline Practice and view Solutions Online.

Test Series

Take Zigya Full and Sectional Test Series. Time it out for real assessment and get your results instantly.

Test Yourself

Practice and master your preparation for a specific topic or chapter. Check you scores at the end of the test.

Advertisement

Animal Kingdom

Multiple Choice Questions

Advertisement

291.
Which one of the following animals lay eggs yet the female secretes milk?

Bat

Kangaroo

Platypus

Ostrich

C.

Platypus

Duckbilled platypus (Ornithorhyncus anatinus) is a semi-aquatic prototherian found in Australia and Tasmania. In these, the females lay eggs but yet produce milk and possess mammary glands without teats. Milk collects in two abdominal grooves from where the young ones obtainit through lapping.

Advertisement

292.

A sponge harmful to oyster industry is

Cliona
Euspongia
Hyalonema
Spongilla

293.

In sea anemone, the symmetry is

radial
bilateral
spherical
absent

294.

Which of the following cell type is capable of giving rise to other cell types in sponges ?

Thesocytes
Pinacocytes
Cnidocytes
Archaeocytes

Advertisement

295.

Malpighian tubµles are

excretory organs of insects
excretory organs of frog
respiratory organs of insects
endocrine glands of insects

296.

The characteristic larva of phylum Coelenterata is

planula
cysticercus
rhabditiform
wriggler

297.

Apis dorsata refers to

rock bee
little bee
Indian bee
European bee

298.

Which of the following is not a character of Chordata?

Dorsal tubular nerve cord
Pharyngeal gill slits
Presence of notochord
Presence of spinal cord

Advertisement

299.

Salamandra atra is

ovoviviparous
oviparous
sexuaily sterile
parthenogenetic

300.

Flying fish is

Torpedo
Scoliodon
Anguilla
Exocoetus

Advertisement