crash question papers.KEAM

1.    Tubular secretion occurs at

            a)PCT  b)DCT  c)Descending and ascending             limb  d)PCT and DCT e)a,b and c

2.    Maximum medullary concentration of kidney is

            a)300mOsmlL^-1  b)1000 mOsmlL^-1

                   c) 1200mOsmlL^-1  d)1600 mOsmlL^-1

                  e)1800 mOsmlL^-1 

^3.        Which of the following act as check  on renin-angiotensin mechanism. 

                a)Renin  b)Rennin c)ANF d)JGA e)ADH

4.    Plasma membrane of muscle cell is called

a)Sarcolemma  b)Sarcosome  c)Sarcoplasm  d)Sarcoplasmic reticulum  e)None

5.    The region on myofibril that remains unchanged during muscle contraction is

a)A band   b)I band   c)Sarcomere 

d)H zone  e)None

6.       Atals is articulated with

                a)Occipital condyle  b)Foramen magnum             c)Foramen ovale d) Obturator foramen 

                e)None of these

7.       Which is the disease, that is Age related disorder characterised by decreased bone mass and increased             chances of fractures. Decreased levels of estrogen is a common cause.?

a)Tetany  b)Gout  c)Mysthenia gravis  d)Muscular dystrophy e)None of these

8.    Substance that accumulate in a fatigued muscle is

a)Pyruvic acid b)Lactic acid 

c)CO2  d)ATP  e)EDTA

9.    The gland which is exocrine and endocrine is

a)Adrenal b)pancreas c)liver d)Pituitary e)Ovary

10.  The number of bones present in the arm

a)30 b)32 c)35  d)40  e)62

11.  Parathormone deficiency in blood causes

a)Hyper calcemia b) hypo calcemia c)hypoglycemia d)Hyper glycemia e)None of these

12.   Number of nephrones in each kidney of man is

a)0.7million  b)1.2 million  c)1.9million  d)1.6 million  e)12million

13.   Common excretory product of insects is

a)Urea  b)Uric acid  c)NH₃ d)amino acid e)none

14.   The cells named podocytes occurs in:

a)Inner walls of Bowman’s capsule

 b)Outer wall of Bowman’s capsule 

c)Large intestine  d)Neck region of nephron  e)Collecting duct of uriniferous tubule

15.   The graphical representation to calculate the probability of all possible genotypes of offspring in a genetic cross is called:
(A) pedigree analysis    (B) karyotype
(C) Punnett square    (D) chromosome map
(E) genotype ratio

16.   In the Lac Operon system, β–glactosidase is coded by:
(A) a–gene   (B) i–gene   (C) l–gene    (D) y–gene
(E) z–gene

17.   Inheritance of flower colour is an example of incomplete dominance, which is seen in:
(A) Antirrhinum  (B) Pisum
(C) Solanum  (D) Hibiscus  (E) Bamboo

18.   Match the codons with their respective amino acids and choose the correct answer:
i. UUU                         a. Serine
ii. GGG                         b. Methionine
iii. UCU                        c. Phenylalanine
iv. CCC                        d. Glycine

v. AUG                         e. Proline
(A) i – c,    ii – d,    iii – a,    iv – e,    v – b
(B) i – c,    ii – a,    iii – d,    iv – e,    v – b
(C) i – c,    ii – d,    iii – e,    iv – a,    v – b
(D) i – b,    ii – d,    iii – a,    iv – e,    v – c
(E)  i – b,    ii – d,    iii – a,    iv – c,    v – e

19.The ABO blood grouping in human beings is an example for:
i) Dominance ii) Incomplete dominance iii) Co-dominance iv) Multiple alleles
(A) i and ii only (B) ii, iii and iv
(C) i, iii and iv    (D) iii and ii only
(E) iv and iii only

20. Which of the following genotype does not produce any sugar polymer on the surface of the RBC?
(A) I^A I^A   (B) I^Bi   (C) I^A I^B  (D) i i   (E) I^B I^B