1) an ellipse 2) a hyperbola 3) a circle 4) none of these Solution: (4) none of these [x2 / (1 - r)] - [y2 / (1 + r)] = 1 ----- as r > 1... View Article
1) 25 2) 9 3) 4 4) 5 5) 16 Solution: (2) 9 (x2 / 16) + (y2 / 25) = 1 a2 = 16 and b2 = 25 a = 4 and b = 5 CP is maximum when P is at the end... View Article
UPSC Current Affairs Preparation: The Hindu Analysis Watch expert analysis of ‘The Hindu’ dated 4th May 2021. Important news and views to boost... View Article
In March 2021, scientists for the first time observed a space hurricane over the Earth’s North Pole. What are space hurricanes? What causes a... View Article
Cells can gradually escape from the primary tumor, and spread across the adjacent tissues, travelling through the bloodstream or lymphatic system... View Article
Angiogenesis could result from natural responses to increased tissue size, and the spread of tumour cells to other tissues can depend on normal... View Article
The pace of mutation can be elevated by the acquisition of defects in the cellular machinery. Most of the cancer cells exhibit differing levels... View Article
Vast numbers of intracellular and extracellular proteins govern cell division, cell growth, cell death and the DNA damage response. In general,... View Article
Mutations that cause hyperactivity in a positive growth regulator tend to be genetically dominant; which is, a mutant gene on one chromosome... View Article
If the secondary follicles survive, tertiary follicles are engendered. The antral follicle is an identifying trait which is a fluid-filled... View Article
With the survival of primary follicles, the secondary follicles with follicular epitheliums including multiple rows are engendered. Now, this is... View Article
The size of a Graafian follicle is largely determined by the size of the antrum, which in turn is determined by the volume of follicular fluid.... View Article
