Questions

Corn, sugar cane, and sorghum are C4 plants. These plants are economically important in part because of their relatively high photosynthetic efficiencies compared to many other crops.

Caverns are openings in the ground. Some famous caverns in the United States are Mammoth Cave, Carlsbad Caverns, Wind Cave, and Luray Caverns.

When rainwater trickles down through the soil, it carries carbon dioxide from the air with it. This turns acidic as it moves through the soil, joining with carbon from decaying plants. This acidic rainwater then eats away at, or erodes, the rock under the ground, forming a cave or cavern. For this process to occur, the rock must be the right type; limestone, dolomite, and gypsum are common.

1. Eminent space scientist and former Indian Space Research Organisation (ISRO) Chairman Udupi Ramachandra Rao passed away due to age related ailments. He was 85.

2. He was currently serving as the chairman of the governing council of the Physical Research Laboratory in Ahmedabad. Rao served as the chairman of ISRO for 10 years from 1984-1994.

Ichthyology is the branch of biology devoted to the study of fish.

It is also known as Fish science which includes bony fishes (Osteichthyes), cartilaginous fish (Chondrichthyes), and jawless fish (Agnatha).

Mutual Funds in India are regulated by the body SEBI - Securities and Exchange Board of India. It was founded in 1992. In 1996, SEBI formulated the Mutual Fund Regulation.

Beowulf is an Old English epic poem consisting of 3,182 alliterative lines. It is one of the most important works of Old English literature.

a -  at the peak of changes in blood pressure indicates the systiolic pressure.