BMAT 2015 Section 2 Question 4
A bag contains only 8 beads. The beads are identical in all respects except colour. 3 of the beads are black and the other 5 beads are white. A bead…
A bag contains only 8 beads. The beads are identical in all respects except colour. 3 of the beads are black and the other 5 beads are white. A bead…
The colour of the surface of an object has an effect on the rate of infrared radiation that it absorbs and emits. As a result of this, some clothes which…
Which of the following organic compounds will decolourise bromine water by reacting with it at room temperature? Answer: 2) C Only alkenes are the organic compounds which turn orange-brown bromine…
Which one of the following is not part of a reflex to the stimulus of placing your hand on a hot object? Answer: 1) E The brain is not involved…
The graph shows the variation with time of the height through which a crane lifts a mass of20 kg.Assume the gravitational field strength g is 10 N / kg, and…
Which of the following atoms / ions contain(s) exactly 18 electrons?1 18O82 34S163 35Cl174 37Cl–175 40Ca2+20 Answer: In an atom, the number of electrons equals the atomic number (the number…
A woman has a recessive genetic condition but neither of her parents has the condition.Which one of the following could not be true? Answer: In order to have the condition,…
A test is developed to detect a certain medical condition. The test is not perfect, and sometimesgives incorrect results. The behaviour of the test on 1000 randomly selected members of…
When a particular nucleus of uranium-235 undergoes the process of nuclear fission, it absorbs a neutron and then splits into a nucleus of barium and a nucleus of krypton, as…
Graphene is a new material composed of carbon atoms arranged in tightly bound hexagons just one atom thick.The diagram shows a simplified structure of graphene.Considering its structure, which of the…