The following is used to adulterate Bajra:

Question

Accepted Answer

The correct option is 2:

Ergot seeds (sclerotia) are the most common and dangerous natural adulterant found in Bajra (pearl millet). This is because Bajra crops are often affected by a fungal disease called Ergot, caused by the fungus *Claviceps fusiformis*, particularly when weather conditions are humid and favorable for the fungus. The fungus replaces the normal grain development with hard, dark, purplish-black masses known as sclerotia, which are essentially the resting bodies of the fungus. These sclerotia are similar in size, shape, and weight to the Bajra grain, leading to their accidental mixing with the harvested grain during threshing and processing. The toxicity of this adulteration stems from the potent alkaloids (such as ergotamine and ergovaline) contained within the sclerotia, which are highly poisonous to humans and livestock. Ingestion of contaminated Bajra can lead to a serious condition known as ergotism, characterized by symptoms like nausea, vomiting, giddiness, and even gangrene in severe cases, highlighting the critical public health risk associated with this specific form of contamination.

The incorrect option is 1:

Kesari dal, or *Lathyrus sativus*, is a type of pulse or lentil. Its primary use as an adulterant is in other pulses, such as *Arhar* (Pigeon Pea) or *Chana* (Chickpea) dal, due to its low cost and similar appearance to split legumes. Kesari dal contains a neurotoxin, $\beta$-ODAP (beta-N-oxalyl-amino-L-alanine), which is responsible for causing a crippling neurological disorder called lathyrism, resulting in paralysis of the lower limbs. However, Bajra is a cereal grain with a completely different texture, color, and size compared to a split lentil like Kesari dal. Therefore, using Kesari dal to adulterate Bajra would be easily detectable, making it an impractical and incorrect answer in this context.

The incorrect option is 3:

Metanil yellow is a non-permitted, non-edible industrial chemical dye. Its misuse in food adulteration involves enhancing or artificially coloring food products to make them appear richer or higher quality. You would typically find Metanil yellow used in products that are expected to have a vibrant yellow color, such as turmeric powder, *Besan* (gram flour), or other yellow-colored pulses, often to conceal poor quality. Since Bajra grains are naturally a dull, grayish-yellow or white color and are not typically sold as a bright yellow powder, there is no practical or common reason for an adulterer to use Metanil yellow in them. Furthermore, its presence is usually an indication of illegal color addition, not a volumetric adulterant like a seed or filler.

The incorrect option is 4:

Iron fillings are a heavy, metallic substance used as an adulterant primarily to increase the weight of a food product, thereby manipulating the sale price. This type of adulteration is mainly seen in powdered or granulated food items, such as tea powder, coffee powder, or coarse spices like chilli powder, where the filler can blend in relatively well. Bajra is sold in its whole grain form, and iron fillings are distinctly metallic and heavy. While adulteration by weight is a possibility for any product, iron fillings would be immediately obvious when mixed with the small, light, and non-magnetic Bajra grains, making it an unlikely choice for large-scale or typical adulteration compared to the natural contamination by Ergot sclerotia.