Question

Which one of the following is a nut?
A. Walnut
B. Cashewnut
C. Groundnut/Areca nut
D. Both A and B

Answer 1

Hint: A nut is a fruit which has a hard shell and a seed and is edible, many varieties of dried seeds are also called nuts. The shells that cover the nut are inedible.

Complete answer: A nut is a fruit which has a hard shell and a seed and is edible, many varieties of dried seeds are also called as the nuts. The walnut is the nut which belongs to the genus Juglans, they are the edible seed which is edible after it ripens and the hard shell is discarded and is used as a snack, they are round having a single seed stone fruit, the kernel is made up of the two halves which are separated by the partition and are enclosed by the shell which protects from the oxygen in the atmosphere to prevent rancidity. The cashew nut is the edible seed inside the drupe which is also called the cashew apple, they are small kidney-shaped, and is covered by the inedible shell, the cashew nuts are an excellent source of the vitamins, minerals, iron, and zinc, they are high energy-dense nuts. The groundnut and areca nut is not a nut but it is a legume and belongs to the family of the beans and peas as it has an edible seed that is closed inside a pod.
Hence, the correct answer is option is D.

Note: The walnut is rich in antioxidants and also reduces the risk of cancer. The cashew nut is kidney-shaped which is covered by the shell and is an excellent source of vitamins and minerals. These are not true botanical nuts.