12th Class FSc Part 2 Biology Chapter Wise Online MCQ Test With Answer PDF

Biology FSC Part 2 Online MCQ's Test

Sr. #	Questions	Answers Choice
1	Which one of the fllowing acts as a stop codon?	UGG UGC UAG UGU
2	In Meselson ansd stahl experiment, the DNA from sample at 20 minutes, after centrifugatioon it made sediments at the :	Top Bottom Intermediate Top & intermediate
3	In hershey & chase experiment, 32p labeled bacteriophages allowed to infect the becteria.During analysis 32 p activity wa detected:	In culture medium On the surface of becterial cell Inside the becteiral cell Both a and B
4	A chromosome with unequal length of its arm is called:	Metacantric Sub metacentric Acrocentric Telocentric
5	Inheritance of skin colour in man is controlled by eight pairs of genes , which are:	Linked Codominent Multiple alleles Assorting independently
6	When expression of a biological character is observed in variable intensity, it is due to the efect of:	Multiple alleles Codominance Epitasis Polygenic inheritance
7	What are the penotypes of the parent of a colour-blind son and non-carries daughter with normal colour vision?	<b>FATHER MOTHER</b><div><div>Carrier Normal</div></div> <b>FATHER MOTHER</b><div>Colour blind Carrier</div> <b>FATHER MOTHER</b><div>Normal Carrier</div> <b>FATHER MOTHER</b><div>Normal Colour- blind</div>
8	Two parents, each of blood groups A, have a daughter of blood group O. what is the probality that their next child who has blood gorup O?	0.125 0.25 0.50 0.75
9	Awoman with normal colour vision, whose father was red-green colour blind, married a red-green colour-blind man. What is the probality of her first-born child being red-green colour blind?	1.0 0.75 0.50 0.025
10	How many different kinds of the gametes will be formed by an ndividual , who is hetrozygous for four gene pairs:	8 16 20 30
11	A man bolld group A marries a women of blood goroup B and they have one child. Which one of the following statements abo ut the child's blood is correct?	It could be group A only It could be group AB only It could be group A or Group B only It could be any of the groups A,B,AB, O
12	The number of linkage group in man is:	02 23 46 92
13	Chances for a son or daughter in human birth are:	3:1 between son and daughter 1:3 between son and daughter 1:1 between son and daughter None of them
14	Bolld group B phenotype contains anti-A antiboides in the serum and agglutinates any RBC with antigen:	AB O A B
15	The most important hormone in initiating and maintaning lacation after birth is:	Estrogen FSH Prolatin Oxytocin
16	Identical twins result from the fertilization of:	One ovum by the sperm One ovum by the two sperms Two ova by two sperms Two ova by one sperm
17	The outer layer of the blastocyst, which laterattaches tothe uterus , is:	Deciduas Trophoblast Ammion Inner cell mass

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