Which group has the same distinct class

Which group of animals belongs to class sporozoa

Which of the following is a distinctive character of class-Bivalvia of Mollusca ?

Which group of the following has all quantities with the same dimensions?

Both a pair of scissors and a pair of pliers belong to the same class of levers. Name the class of lever. Which one has mechanical advantage less than 1?

Assertion (A) : Group of classes with similar distinctive characteristics constitute a phylum. Reason (R) These classes share some common features like presence of a notochord and a dorsal tubular nerve cord. :

Vertebrates are group into these many classes

Which of the following groups of algae belongs to class Rhodophyceae ?

Which of the following group of organisms belongs to class phaeophyceae ?