Question

Tamarindus indica and Cassia belongs to the family
A. Papilionaceae
B. Caesalpiniaceae
C. Mimosaceae
D. None of the above

Answer 1

Tamarindus indica is an indigenous plant to the tropical regions of Africa. It bears edible fruits which produce a sweet and tangy pulp. The pulp is used in several cuisines and also as medicines. Cassia is an economically important plant which is indigenous to parts of China.

Complete answer:
Tamarindus indica or commonly known as tamarind is a monotypic species belonging to the family Caesalpiniaceae. The tamarind tree is a long lived, medium growth tree and grows well in full sun. It grows well in clayey, loamy, sandy or even acidic soils. The crown of the tree has an irregular shaped dense foliage and the leaves are evergreen and are arranged alternately.
The flowers in the tamarind tree are inconspicuous and five petaled. They are born in racemose fashion. The fruits are borne on new branches and are irregularly curved pods. The pods are covered by a covering which turns brittle upon maturation.
Cassia is cultivated commonly in several parts of South eastern Asia in countries such as India, Sri lanka, Myanmar etc. It is a genus of flowering plants belonging to the family Caesalpiniaceae. It includes the largest species of the leguminous plants of mid-sized trees. It is an important tree and is grown as ornamental or may also grow as wild trees. It is used in several medicines or production of laxatives.
Both the plants Tamarindus indica and Cassia belong to the family Caesalpiniaceae. This family is also known as the Cassia family. The flowers are known as peacock flowers and this family is represented by several ornamental or wild species.
Papilionaceae is one of the largest sub families of the order Leguminales and are represented by herbs and shrubs but rarely any trees. Most of the families are economically important as they are cultivated as pulses.
The Mimosaceae family represents plants that include flowers in radial symmetry and petals are valvated. Most of the species are used for fibers and livestock.

Hence, the correct answer is option (B).

Note: The tamarind tree is an evergreen tree and produces fruits in pods which are filled with pulpy sour sweet fruit. The Cassia species are generally represented by ornamental trees and also produce some types of laxatives that are used in pharmacological uses. Both the Tamarindus indica and Cassia belong to the family Caesalpiniaceae.