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Consider the following statements regarding the Structure of cells: 1. Both Animal & Plant cells comprise amyloplast within the cell membrane. 2. Plant cells have plasmodesmata channels whilst animal cells do not. 3. Vacuoles in both plant cells & animal cells are always filled with solid substances. Which of the statement given above is/are not correct? 
What is the function of plasmodesmata in plants?
Gap junctions are otherwise known as plasmodesmata.
How many plasmodesmata are present in a plant cell?
Which cell organelle covers the plasmodesmata of the cells?
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?