Consider the following plants: 1. Groundnut 2. Horse-gram 3. Soybean How many of the above belong to the pea family?
AOnly one
BOnly two
CAll three
DNone
Answer & Solution
Correct answer: C. All three
Answer: C. All three plants belong to the pea family (Fabaceae / Leguminosae).
The pea family Fabaceae is one of the largest plant families and is identified by characteristic legume pods that split along two seams when ripe.
(1) Groundnut (Arachis hypogaea): legume, family Fabaceae. CORRECT.
(2) Horse-gram (Macrotyloma uniflorum): legume, family Fabaceae. CORRECT.
(3) Soybean (Glycine max): legume, family Fabaceae. CORRECT.
All three are nitrogen-fixing legumes used in Indian agriculture for soil enrichment via rhizobial root nodules.
Source: NCERT Class 11 Biology Ch 5 (Morphology of Flowering Plants) and standard botany references.
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