Questions

Lithium is the lightest of all the metals due to its low atomic number among metals. It is the lightest solid element.

Properties ::

* It is a soft silvery-white alkali metal.

* Lithium is highly reactive and flammable and is stored in mineral oil.

A sarcomere is the basic unit of striated muscle tissue. It is the repeating unit between two Z lines.

Skeletal muscles are composed of tubular muscle cells (myocytes called muscle fibers or myofibers) which are formed in a process known as myogenesis. Muscle fibers contain numerous tubular myofibrils. Myofibrils are composed of repeating sections of sarcomeres, which appear under the microscope as alternating dark and light bands. Sarcomeres are composed of long, fibrous proteins as filaments that slide past each other when a muscle contracts or relaxes.

A muscle fiber from a biceps muscle may contain 100,000 sarcomeres.

87-year old renowned director Kasinadhuni Viswanath was on 24 April 2017 named for the prestigious Dada Saheb Phalke award for outstanding contribution to the film industry. He is a celebrated filmmaker in Telugu film industry but has also been active in Tamil and Hindi cinema.

– He is known for making films on content-driven stories that have revolved around social themes like disability, untouchability and the evils of dowry.

– He becomes the 48th recipient of the award, the highest recognition in Indian cinema, which consists of a golden lotus, a cash prize of Rs. 10 lakhs and a shawl.

– The recipient of five National Film Awards, Viswanath is known for his movies — “Sankarabharanam”, “Sagara Sangamam” (starring Kamal Haasan and Jayaprada), “Swati Mutyam”, “Saptapadi”, “Kaamchor”, “Sanjog” and “Jaag Utha Insaan” among others.

Achal Kumar Jyoti (64), a retired 1975 IAS Officer batch of Gujarat Cadre, is the newly appointed Chief Election Commissioner (CEC), who took over as the head of the Election Commission in New Delhi on today. He succeeded Dr Nasim Zaidi. Jyoti will continue as the Chief Election Commissioner till January 17, 2018. Prior to this appointment, he was Election Commissioner of India. A CEC or an EC can have a tenure of six years or hold office till the age of 65 years, whichever is earlier.

Green land is the largest of all the Islands.It is a part of North America