MAH-MHT CET (PCM/PCB) entrance exam Question Bank Solutions

In a translation experiment, two different mRNAs with different nucleotide sequences used are as follows:

mRNA 1:

5' AUG UUU UUA UUU UUA UAA UUC UUG - 3' and

mRNA 2:

5' AUG UUC UUG UUA UUU UAG UUU UUA CUU - 3'

From the following identify the TRUE statement.

Natural selection of black winged moth (Biston carbonaria) over white winged moth (Biston betularia) occurred due to ____________.

Identify the INCORRECT statement.

Industrial melanism is one of the best example for ______.

Sequential order of nucleotides on template strand forming m-RNA synthesizing specific protein is given below. Based on it select the sequential t-RNA anticodon entering in the process of protein synthesis.

Template: TAC GAC AAC CAC TTA ATT

The glomerulus filters most of its contents due to hydrostatic pressure created. This pressure is about ____________.

How many codons will be altered in the following case?

If there are 999 bases in an RNA that codes for a protein with 333 amino acids, and the base at position 901 is deleted such that the length of the RNA becomes 998 bases.

What will be the sequence of bases in its transcript if the sequence of bases in the coding strand of a double stranded DNA is 5' - GTTCGAGTC-3'?

Identify the CORRECT statements.

1. Conversion of hnRNA to mRNA - Processing
2. Removal of introns and joining of exons - Splicing
3. Methyl adenosine triphosphate is added to 5'-end of hnRNA- Capping
4. Addition of adenylate residues to 5' end in a template-dependent manner - Tailing

Chylomicrons are ______ 

Which group of vitamins given below are water-soluble?

Which one ofthe following shows clover leaf model?

Which one of the following codons will NOT pair with Anticodon of t-RNA?

When cut by the same restriction endonuclease, the DNA fragments with staicky ends can be joined with any DNA fragment that contains complementary staicky ends into a molecule of recombinant DNA by the enzyme ______

Select the INCORRECT statement - ______ 

Polyribosomes are ______ 

Which one of the following is NOT an extrinsic factor in the development of plants?

Which one of the following is NOT essential for synthesis of protein in a normal cell?

____________ carries the message for formation of polypeptide chain.

The enzyme initiating the formation of mRNA is ______