Bissoy.com
Doctors Medicines MCQs Q&A

Related Questions

Consider the following statements regarding the theory of linkage and choose the correct answer:
1. Genes are arranged in a linear fashion in the chromosomes
2. Genes that show linkage are situated in the chromosome
3. Linked genes remain in their original combination during the course of inheritance
4. The genes which are widely separated show strong linkage, while those closely located, have more chances to get separated by crossing over
In a 4 – bar linkage, if the lengths of shortest, longest and the other two links are denoted by s, l, p and q, then it would result in Grashof’s linkage provided that
The linkage between the sugar and the base is a covalent linkage.
___________________states that the inducede.m.f. is directly proportional to the rate of change ofmagnetic flux linkage or rate of cutting of magnetic flux
linkage.
Consider the following statements and choose the correct answer:
1. In the phenomenon of linkage and crossing over, the genes are arranged in a linear order in a chromosome
2. The linkage groups in an organism are equivalent to the number of chromosome pairs
3. The chances of crossing over are more between two closely placed genes as compared to the genes placed in far proximity
4. The position of genes is very definite in the chromatid
Sentences of a paragraph are given below in jumbled order. Arrange the sentences in the right order to form a meaningful and coherent paragraph. P. The newly discovered substances emitting radiations were called radioactive substances. Q. This property of emitting radiations spontaneously by these substances was named radioactivity. R. Since then many radioactive substances have been discovered. S. Some occur naturally while others are produced artificially.
Given below are certain facts about radioactivity. Identify the correct one(s). A. Marie and Pierre Curie discovered radioactivity. B. The term “radioactivity” was given by Henri Becquerel. C. Henri Becquerel also discovered radioactive elements, radium and polonium.
The question below consists of a set of labelled sentences. These sentences, when properly sequenced form a coherent paragraph. Select the most logical order of sentences from among the options.  P: First, with the discovery of the planet Kepler 90i, orbiting the star Kepler 90, we now know of another star besides the Sun that has eight planets orbiting it.  Q: But the announcement of the discovery of two new exoplanets, Kepler-90i and Kepler-80g by the NASA is particularly significant R: Second, Christopher Shallue, a software engineer at Google, and Andrew Vanderburg, of the University of Texas, Austin, have discovered it using a deep learning neural network — an artificial intelligence tool that mimics the workings of a human brain.  S: Exoplanets, or planets outside our solar system, are routinely being discovered, with the number of those that have already been found now standing at 3,567. 
Astronomers have found hints of what could be the first planet ever to be discovered outside the galaxy. The possible Saturn-sized planet discovered by Nasa's Chandra X-Ray Telescope is in which of the following galaxies?
Consider the following statements with reference to Max Theodor Felix von Laue. 1. He was the German recipient of the Nobel Prize for Physics in 1914. 2. He discovered the diffraction of X-rays. 3. He discovered X-rays. Which of the statements given above is/are correct?