TNPSC Question Paper-2007 Questions and answers

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31). Pituitary gland is situated in
A). the neck
B). the base of the heart
C). the base of the brain
D). the abdomen
32). Red colour to the blood is given by
A). Haemoglobin
B). Albumin
C). Gamma globulin
D). Myoglobin
33). Sexual characters in female are controlled by
A). Progesterone
B). Estrogen
C). Testosterone
D). Aldosterone
34). A cross between hybrid and either of any parent (dominant or recessive) is called
A). Monohybrid cross
B). Back cross
C). Test cross
D). Dihybrid cross
35). Identical twins are produced when
A). one sperm is fertilized with two eggs
B). one egg is fertilized with two sperms
C). one fertilized egg is divided into two blastomers and separated
D). two eggs are fertilized with two sperms


36). In human 47 number of chromosomes (22A + XXY) is resulted in
A). Down's syndrome
B). KIinefelter's' syndrome
C). Turner's syndrome
D). Edward's syndrome
37). Which vaccine should be given to the newborn within 15 days of birth?
A). 'O' Polio
B). DPT
C). MMR vaccine
D). Measles vaccine
38).

Match List I with List II correctly and select your answer using the codes given below:

List I   List II
a) A, B, O blood group   1. Example for point mutation
b) Bald head in man   2. Dihybrid cross
c) Sickle cell anaemia   3. Multiple alleies
d) Independent assortment   4. Sex influenced genes

A). 2 1 3 4
B). 3 4 1 2
C). 2 4 3 1
D). 2 3 4 1
39). Consider the following statements
i) ADH is secreted by adenohypophysis
ii) ADH is secreted by infundibulum
iii)ADH is secreted by neurohypopihysis
iv) ADH is secreted by Pineal gland
Of the statements:
A). (i) and (ii) are correct
B). (ii) alone IS correct
C). (iii) alone is correct
D). (i),(ii),(iii) are correct
40). Consider the following statements:
Assertion (A) : The sperm contains centrlole in the neck,
Reason(R) : Centrioles are important for sperm count
Now select your answer according to the coding scheme given below

A). Both (A) and (R) are false
B). (A) is true, but (R) is false
C). Both (A) and (R) are true and (R) is the correct reason
D). Both (A) and (R) are true, but (R) is not the correct reason
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