Answer: A) Z discs Explanation: 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.

Answer: A) Hinduism Explanation: Monotheism is the belief in a single all-powerful god, as opposed to religions that believe in multiple gods. Sikhism, Judaism, Christianity, and Islam are widely practiced forms of monotheism.

Answer: A) there was an informative program about innovations in medical imaging, a program you would have found interesting. Explanation: They is incorrect when talking of the television channel. New is redundant. And which must have a clear antecedent.   Hence, Only Option A satisfies and clears all the flaws in the given sentence.

Answer: D) 5 Explanation: By trial and error method, we get2880/3 = 960 is not a perfect square2880/4 = 720 is not a perfect square2880/5 = 576 which is perfect square of 24Hence, 5 is the least number by which 2880 must be divided in order to make it into a perfect square.

Answer: A) Brass Explanation: Among the given options Brass is not a compound. Since it is an alloy, it is a mixture.    The smallest part of a compound is called a molecule. It has a unique composition that is always the same. Compound is a substance that consists of two or more elements.

Answer: A) ASEAN Explanation:

Answer: A) 23 Explanation: The given number series 2, 19, 0, 21, –2, ? follows a pattern, 2 2 + 17 = 19 19 - 19 = 0 0 + 21 = 21 21 - 23 = -2 -2 + 25 = 23   Hence, the next number in the series is 23.

Answer: C) Haryana Explanation: Teams of the National Aeronautics and Space Administration (NASA) of the United States and the Indian Space Research Organisation (ISRO) would inspect the excavation being carried out at an archaeological site in Haryana’s Fatehabad district to verify claims of it being the oldest civilisation in the world. Archaeologists have recovered artefacts pre-dating the Harappan Civilisation from the site, located in village Kunal in Fatehabad district.