Plants that complete their life cycle in a short period, often during dry seasons, are known as: ((MCAER 2014))

✅Explanation: The botanical name of bajra is Pennisetum typhoides. This is the scientific name used to identify and classify this crop.

📌 Other Options Explanations:
-Option A: Pennisetum glaucum is a synonym for Pennisetum typhoides.
-Option C: Pennisetum americanum is a synonym for Pennisetum typhoides.
-Option D: Pennisetum purpureum is the botanical name of Napier grass.

🔑Key Points:
-Bajra is a traditional Hindi name for the Pennisetum glaucum crop which is also known as pearl millet.
-Please note that Bajra refers to the edible seeds of pearl millet plants.
-They grow in various shades of white, yellow, gray, brown, and bluish-purple.
-It is high in beneficial plant chemicals like antioxidants, polyphenols, and phytochemicals.
-It is also gluten-free and a suitable choice for people with celiac disease.
-The individual seed weight varies from 3 to 14 mg.
-The seed rate is 3-3.5 kg/ha for dibbling method and 4-5 kg/ha for the drilling method.
-The fertilizer requirement of local varieties of Pearl millet can easily be met by the application of 10-15 tonnes of compost or farmyard manure per hectare.
-Top Bajra producing state in Rajasthan followed by Maharashtra, Haryana, Gujarat, and Uttar Pradesh.
-Bajra can be grown in a wider range of soil. However, It thrives best in black cotton soil, sandy loam soil having good drainage. This crop does not prefer acidic and waterlogging soil.