Comprehensive mcqs for 2013 MBBS or any other medical entry test...!

1. Biology MCQs Test for Entry Test by Dr. Sajid Ali Talpur
(Don’t let luck decide your future; also the hard work is
useless, unless the destination and the planned path to
achieve it are determined)
Biology MCQs By: 1 Dr. Sajid Ali Talpur

2. 1. It is the smallest eukaryote.
a) virus b) bacteria
c) plasmodium d) sponge
2. Trypsinogen is activated by:
a) chymotrypsin b) enterokinase
c) trypsin d) HCL
3. Lysosomes are produced by:
a) hydrolytic enzymes b) autophagy
c) destruction of cell d all
e) none
4. Which of the following statement is incorrect:
a) competitive inhibitor binds to allosteric site
b) the substrate binds to active site
c) enzymes work best in low pH
d) both a & c
e) None
5. All of the following are characteristics of kingdom fungi except:
a) heterotroph b) sessile
c) cell wall d) sexual reproduction
e) N.O.T
6. It is the site of photosynthesis
I. leaves
II. stem
III. root
a) 1 only
b) 1 & 2 only
c) 2 & 3 only
d) 1, 2 and 3
7. Humans are:
a) producers b) primary consumers
c) secondary consumers d) tertiary consumers
Biology MCQs By: 2 Dr. Sajid Ali Talpur

3. • Questions 8 to 12
Refer to the following terms
A. RBC
B. WBC
C. Plasma
D. Blood
E. None
8. Soldiers of the body
9. Constitutes major portion of the blood
10. Gland
11. Non-nucleated cells
12. A tissue
13. Stomata are surrounded by:
a) epithelial cells b) parenchyma cells
c) guard cells d) endothelial cells
14. Virus is actually combination of:
a) protein and lipid b) protein and nucleic acid
c) lipid and carbohydrate d) carbohydrate and protein
d) lipid and nucleic acid
15. The most abundant carbohydrate found in nature is:
a) glucose b) fructose
c) starch d) cellulose
e) glycogen
16. It is incorrect about hydra:
a) autotroph b) diploblastic
c) budding d) non-motile
e) none
Biology MCQs By: 3 Dr. Sajid Ali Talpur

4. 17. Gymnosperms produce:
a) seeds b) fruits
c) both a & b d) none
18. The correct sequence of air passage during exhalation is as nose (1) lungs
(2) throat(3) trachea (4):
a) 1 → 2 → 3 → 4 b) 1 → 3 → 2 → 4
c) 2 → 4 → 3 → 1 d) 4 → 2 → 3 → 1
e) 1 → 4 → 3 → 2
19. Lion is not as aggressive in the zoo as in the jungle, the statement comes
from:
a) Zoology b) Ecology
c) Ethology d) Physiology
e) N.O.T
20.The juice(s) which perform the functions of both the digestion and
defense include
I. Salivary juice
II. Gastric juice
III. Bile juice
a) 1 only b) 1 & 2 only
c) 1 & 3 only d) 1,2 & 3
e) N.O.T
21. The joints are held in place with the help of:
a) cartilage b) tendon
c) ligament d) bones
e) muscles
22.Regarding the functions of liver all are true except:
a) urea formation b) vitamin storage
c) cholesterol formation d) hormone production
23.Which one is not the hormone of carbohydrate metabolism
a) insulin b) glucagon
c) cortisol d) aldosterone
Biology MCQs By: 4 Dr. Sajid Ali Talpur

5. 24.Movement is the fundamental function of:
a) skeletal system b) muscular system
c) nervous system d) circulatory system
e) digestive system
25.The excretory organs in humans include:
I. Kidney
II. Liver
III. Skin
a) 1 only b) 1 & 2 only
c) 1 & 3 only d) 1,2 & 3
e) N.O.T
26.The automatic, involuntary activities are controlled by:
a) cerebrum b) cerebellum
c) medulla oblongata d) spinal cord
e) A.O.T
27.The deficiency of iron or hemoglobin leads to:
a) anemia b) goiter
c) albinism d) scurvy
e) rickets
28.The process of ovulation is initiated by:
a) estrogen b) progesterone
c) prolactin d) LH
29.It is not related to DNA:
a) genes b) transcription
c) uracil d) double helix
e) hitone proteins
30.Find mis-match:
a) Liver: largest organ b) femur: longest bone
c) neuron: longest cell d) sperm: 23 chromosomes
e) N.O.T
Biology MCQs By: 5 Dr. Sajid Ali Talpur

6. 31. The centromere divides and the chromatids move towards opposite poles
during:
a) prophase b) metaphase
c) anaphase d) telophase
32.X0 condition represents:
a) Down’s syndrome b) Klinefelter’s syndrome
c) Turner’s syndrome d) Phenylketonuria
33.All are the postulates of Lamarck Theory except:
a) effect of environment b) use or disuse of organs
c) inheritance of acquired characters d) struggle for existence
34.A relationship where the one organism gets benefit the other neither
gets benefit nor is harmed is known as:
a) mutualism b) commensalism
c) grazing d) symbiosis
e) parasitism
35.Which one is not a bacterial disease:
a) T.B b) typhoid
c) wartz d) cholera
e) cholera
36.The striated muscles are:
I. Skeletal muscles
II. Smooth muscles
III.Cardiac muscles
a) 1 only b) 1 & 2 only
c) 2 & 3 only d) 1 & 3 only
e) 1, 2 & 3
37.When a color blind male marries a normal women then the chances of
color blindness in the sons are:
a) 0% b) 50%
c) 75% d) 100%
Biology MCQs By: 6 Dr. Sajid Ali Talpur

7. 38.extra chromosomal circular DNA parts are found in some bacteria, known
as:
a) cDNA b) rDNA
c) capsid d) plasmid
e) both c & d
39.Select the incorrect statement:
a) all the plants are not autotrophs
b) all the bacteria are not heterotrophs
c) all the protoctists are not autotrophs
d) all the fungi are not heterotrophs
e) N.O.T
40.The fetus in the womb does not:
a) move b) respire
c) have hair d) have blood
e) A.O.T
Answer Key
1 C 2 B 3 E
4 D 5 D 6 B
7 C 8 B 9 C
10 E 11 A 12 D
13 C 14 B 15 D
16 A 17 A 18 C
19 C 20 B 21 C
22 D 23 D 24 B
25 D 26 C 27 A
28 D 29 C 30 A
31 C 32 B 33 D
34 B 35 C 36 D
37 A 38 D 39 D
40 B
Biology MCQs By: 7 Dr. Sajid Ali Talpur

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