Topic : classification of animals

Match column-I correctly with column-II.

Column-I a. Scoliodon b. Clarias

Column-II (i) Notochord is persistent throughout life (ii) Gills slits are separate and without operculum (iii) Air bladder is present which regulates buoyancy (iv) Skin is tough, containing minute placoid scales. (v) Skin is covered with ctenoid scales

Select the correct option.

Complete the analogy for the following Marine fish : Pomfret : : Freshwater fish :

Which is the most common species of honey bee in India?

How many among Chiton, Limulus, Chaetopleura and Nereis, exhibit true segmentation and close circulatory system?

Homeothermy is a feature shared by

Which of the following is not a dioecious organism?

Choose the mismatch w.r.t. scientific name and common name of certain animals.

Betta differs from Scoliodon due to the presence of

Match column I with column II and choose the correct answer.

Choose the mismatch w.r.t. animals and their characteristics

Select the mismatch among the following w.r.t. subphylum vertebrata.

Select the mismatch w.r.t. scientific name of animals with their common names

Which of the following group of animals are incorrectly matched with their characteristic features?

Which of the following characteristic features holds true for the corresponding group of animals?

Protonephridia is an excretory organ of