Last seen: Jan 13, 2022
(a) Cubic close packing: When a third layer is placed over the second layer in a manner that the octahedral voids are covered by the spheres, a layer ...
A substance with a high melting point is more stable than a substance with a low melting point, this is because higher the melting point, stronger the...
Given, We know the dimension and density of its unit cell. Let, The edge length of a unit cell = a The volume of the cell = a3 Density = d ...
(a) Coordination number is the number of nearest neighbours of a particle. (b) 1 – coordination number = 12, 2 – coordination number = 8
Metallic : (g) Brass, (h) Rb Molecular : (a) Tetra phosphorus decaoxide (P4O10), (d) I2, (e) P4. Ionic : (b) Ammonium phosphate (NH4)3PO4, (i) L...
The arrangement of the constituent particles differentiates glass from quartz. The constituent particles in glass have a short-range order, but the co...
Amorphous solids are solids without a regular/ definitive arrangement of its constituent particles (ions, atoms or molecules) and they possess somethi...
(a) If both Assertion and Reason are correct and Reason is the correct explanation of Assertion. Explanation: Painful inflammation of the synovial...
(c) If Assertion is correct but Reason is incorrect. Explanation: The phase of muscle contraction occurs when myosin binds and releases actin. Mus...
(c) If Assertion is correct but Reason is incorrect. Explanation: Arthritis or inflammation of a joint makes the joint painful and may even immobi...
(a) If both Assertion and Reason are correct and Reason is the correct explanation of Assertion. Explanation: Cardiac muscle cells are short cylin...
(b) If both Assertion and Reason are correct, but Reason is not the correct explanation of Assertion. Explanation: Synovial fluid is a thick stick...
(a) If both Assertion and Reason are correct and the Reason is a correct explanation of the Assertion. Explanation: Due to the accumulation of lac...
(a) Shoulder girdle Explanation: Two clavicles fuse with one inter-clavicle to form ‘Wish bone’ or ‘Bone of merry thought’.
Correct option: (d) Explanation: A gliding joint is a common type of synovial joint formed between bones that meet at flat or nearly flat articula...
(c) Tendon Explanation: Sesmoid bones are embedded in tendons. Sesmoids are found in locations where a tendon passes over a joint, such as the han...
(d) the accumulation of lactic acid Explanation: The sensation of fatigue in the muscles after prolonged strenuous physical work is caused by the ...
(d) scapula Explanation: Shoulder blade is made up of scapula. It is a flat, triangular-shaped largest bone present in each half of the pectoral (...
(d) Tarsals, femur, metatarsals, tibia Explanation: In a fast chasing cricketer, foot and leg bones contribute directly in this movement e.g. femu...
(b) scapula and canines Explanation: MRI machine does not show face image of bone and calcium, e.g. scapula, canine. It is also not suitable for p...