Daily NEET MCQ- June 3, 2022 - NEET MCQ

The displacement covered in the first five seconds can be obtained by putting t = 5 in the equation. Therefore, x = 5⁵ + 2(5) = 25 + 10 = 35. Hence the answer is 35 units.

In one turn the person covers 5 – (-2) units of distance, i.e. 7. Therefore in 5 turns, he will cover 5 x 7 = 35 units of distance.

The displacement is the distance between the final and the initial location. Here the final location is C and the initial is A. We can solve this by using distance between two points method. AC = Square root ((8² – 0²) + (6² – 0²)) = Square root (100) = 10 units.

Electric discharge in partially evacuated tubes in cathode ray discharge tube. Cathodes rays are made up of electrons. There is a presence of negative charge in cathode rays, magnetic field deflects these rays. Cathode ray discharge tube needs high voltage.

The suitable conditions of cathode ray discharge tube are low pressure and high pressures. Pressure can be adjusted by evacuated tubes. High voltage is applied across electrodes and current starts flowing through the tube.

In 1911, Rutherford discovered protons by performing experiments and also found out that positive charge is concentrated at centre and that it has most of the atomic mass. The name proton was first time given in the year 1920.

In Whittaker’s 5 kingdom classification, all the prokaryotic organisms are grouped under Monera; all the unicellular organisms under Protista and all the fungi form a separate Kingdom. So, Whittaker’s 5 kingdom classification managed to include characteristics like nature and structure of cells.

In Whittaker’s 5 kingdom classification, all the unicellular organisms are categorised under Protista. For example, Amoeba, Paramecium, Chlorella and Chlamydomanas fall under the category of Protista.

Cell wall in fungi is made up of chitin. In plants, the cell wall is made up of Cellulose. Whittaker’s classification managed to consider the nature of cell wall which resulted in Fungi and Plants forming two different kingdoms.

In eukaryotes, all the cell organelles are separated by a membrane. This membrane is absent in prokaryotes. Whittaker classified all the prokaryotes under the kingdom Monera. So, nuclear membrane is absent in Monera.