List of top Questions asked in MHT CET

The sino-atrial node is the normal pacemaker of the human heart because:
Drug called 'Heroin' is synthesized by:
______ is made by vitamin K, which is a fat-soluble vitamin absorbed by the small intestine.
The figure shows the skull of which Homo erectus?
Embryo of flowering plant is always:
A person with AB blood group:
OROS is a technology developed for/as:
After fertilization the ovule develops into:
Which of the following hepatitis-causing virus contains DNA as nucleic acid?
During the initial infection of HIV, a person experiences a brief period of:
Which of the following is an endogenous dormancy?
Which of the following given elements is the least reactive among all other elements? 
Sustainable development focuses on more use of ___________.
The number of electrons, protons and neutrons in a species are equal to 18, 16 and 16 respectively. Assign the proper symbol to the species.
A catalyst is added to a reaction to increase the rate of reaction. Which of the following statements is correct?
Which of the following compounds give(s) positive test with Tollens' reagent?A. Carboxylic acidB. AlcoholC. Alpha hydroxy ketonesD. Aldehydes
Identify the element with the atomic number 10.
Plastic used to preserve yogurts is replaced with a polymer called polylactic acid is an example of ____________.
Heavy water is _________. 
12 g of urea is present in 1 litre of solution and 68.4 g of sucrose is separately dissolved in 1 litre of another sample of solution. The lowering of vapour pressure of first solution is:
First organic compound to be synthesised was_______.
A high molecular weight compound formed by combining large numbers of small molecules of low molecular weight is called:
The increasing order of basicity of the following compounds is:
Molecules: General formula. (n represents the number of carbon atoms in chain)1. Aldehydes: CnH2nO2. Carboxylic acids: CnH2nO23. Cycloalkanes: CnH2n4. Alkanes: CnH2n+2Which of the above matching is correct? Choose from the options given below:
 Match column A with column B:Column AColumn B1. Rayona. Coating of non-stick2. Teflonb. Handles and Switches3. Bakelitec. Pipes4. PVCd. Clothes