Question

Which of the following plant seeds are used as jewellers weight?
A. Cajanus cajan
B. Lens culinary
C. Glycine max
D. Abrus precatorius

Answer 1

Hint: The plant is the best known for its seeds which are used as beads for its bright colour. The seeds which are used in jewellery shops have constant weight.

Complete answer:
Cajanus cajan is Commonly known as Pigeon pea. It is one of the tropical plants It is often grown for a wide range of uses including food medicine and fuel. The spices are believed to be one of the earliest of cultivated crops. In some parts of Tamilnadu in India, the leaf seeds and young stems are used to cure gingivitis, stomatitis and also as toothbrush.
The lentils and edible legume. It is an annual plant known for its lens shaped seeds. This seeds are also known for food photography
The glycine max is the medication used to moisturize to prevent dryer repeating skin and major skin irritation. For example, diaper rash, skin burn and radiation therapy.
Abrus precatorius is a common plant from South Africa and many tropical areas of the world. These are usually bright coloured seeds mainly used as beads to make necklaces and rosaries. Even though it is poisonous it has a wide range. Abrus precatorius are most valued in native jewellery for the bright Coloration. Indians use these seeds to weigh gold using mesure called Ratti.

Hence, the correct answer is option (D)

Note: Abrus precatorius common name is rose Pea, gunja. Each seed is about 8 mm in length and 6mm in breath with an average weight of $105mg$. Most beans are black and red, suggesting a ladybug, though other colours are available.