• Vashisthaputra Pulamayi extended the Satavahana power to the mouth of the Krishna River. He issued coins on which the image of the ships was inscribed. They reveal about the naval power and the extent of maritime trade of the Satavahanas. The biggest port on the Western Deccan was Kalyani. Gandakasela and Ganjam were other important ports on the east coast.

Adiabatic process is a process wherein there is no exchange of heat between a system and its surrounding. In this process, the system uses its energy to expand in order to adjust according to lower density in upper atmosphere. Cloud is formed as a result of this process.

Weathering is a process of disintegration or decomposition that take place in absence of any mobile medium. Exfoliation is a result of heat and pressure. All other alternatives are a result of movable agents.

* Question Hour: The first hour of every parliamentary sitting is called question hour.

* The members should ask questions and the ministers usually give answers.

* Starred question: requires an oral answer with a supplementary question can follow.

* Unstarred Question: requires a written answer and hence, supplementary questions cannot follow.

* Zero Hour: The Zero Hour is used by members to raise matters without any prior notice.

* It starts immediately after the question hour and lasts until the agenda for the day (ie, regular business of the House) is taken up.

Those questions asked in parliament and whose answers can be given orally. They are called starred question. Supplementary questions can be asked along with starred questions and questions whose answers can be given in written form are called non-starred questions.

During an emergency, the President can suspend all other fundamental rights except Article 20 and Article 21 (Article 359). The fundamental rights conferred by the Indian Constitution are both positive and negative in nature. There is freedom given to citizens like Article 19, Article 25 to Article 28 are Fundamental rights of positive nature. Negative Fundamental rights are in the form of restriction on the power of the state (e.g., the Fundamental rights given by Articles 14, 15, 16).

● Budding is the type of reproduction that occurs in hydra.

● It is a type of asexual reproduction in which a new organism develops from an outgrowth or bud due to cell division at one particular site.

● Hydra is a genus of small, fresh-water organisms of the phylum Cnidaria.

• The 2-chambered heart is an interesting form of the primary circulatory organ and exists primarily in animals that use gills for breathing.

• It is mainly found in fish.

• Fish have a single circuit for blood flow.

● Okra yellow vein mosaic is a viral disease caused by Monopartite Begomovirus.

● It is transmitted by whitefly.

● It was first found in Mumbai, India and Sri Lanka in 1924.

● It is the major limitation in the production of Bhindi in India.