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MCQs Question and Answer -Biology Set I
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1. Which of the following is a large blood vessel that carries blood away from the heart?
Vein
Artery
Capillary
Nerve
2. Which of the following is not a member of the vitamin B complex?
Thiamine
Riboflavin
Folic acid
Ascorbic acid
3. Fungi are plants that lack:
Oxygen
Carbon dioxide
Chlorophyll
None of these
4. What makes a reptile a reptile?
Cold blooded
Warm Blooded
Non-Hearing
Egg-laying
5. Which blood vessels have the smallest diameter?
Capillaries
Arterioles
Venules
Lymphatic
6. Which of the following is an air-borne disease?
Measles
Typhoid
Pink eye
None of the above
7. A yellow dust appears on the fingers, whenever we touch the middle of a flower. These tiny yellow grains are one of the most precious substances in nature because they contain the secret of plant life. What is this dust called?
Pollen
Sperm
Spore
Sporocyst
8. Which organ of the body produces the fluid known as bile?
Liver
Pancreas
Gall bladder
Kidney
9. Which of the following hormones is a steroid?
Estrogen
Glucagon
Insulin
Oxytocin
10. Which one of the following is not a function of the liver?
Regulation of blood sugar
Enzyme activation
Detoxification
Reproduction
11. Greatest number of Sweat glands are present in which part of the human body?
Forehead
Forearm
Palm of the hand
Back
12. Vaccination was started by.......
Jonas E. Salk
Paul Muller
Edward Jenner
Robert Frost
13. Proteins are made up of .......
Sugars
Amino acids
Fatty acids
Nucleic acids
14. Mention the source of Liver, milk, egg yolk, fish liver oil?
Vitamin A
Vitamin B2
Vitamin D
Vitamin C
15. Which of the following name of scientist and their field of work is correctly matched?
DNA/Double helix: F. Crick J. Watson, M. Wilkins
Modern classification of plants and animals based on a system: Harvey
Bacteria: Linnaeus
Blood travels in a continuous circuit: Leuwenhock
16. Heart is made up of
Non-striated muscle
Cardiac muscle
Adipose tissue
Striated muscle
17. Hargobind Khorana had researched on .....
Synthesis of simple DNA
Understanding the genetic code
Reduction of mutation
Synthesis of RNA from bacterial cell
18. Name the corona virus that kills human?
AIDS
FAIDS
SARS
HIV
19. In which part of the body digestion of protein starts?
Mouth
Stomach
Duodenum
Intestine
20. Name the acid that is secreted in the stomach?
HCl
H2S04
H2C03
HNO3
21. Which vitamin is needed to prevent Xero-phthalmia?
A
B
C
D
22. Why the white blood corpuscles are popularly called "soldiers of the body”?
March at a regular pace
Appear uniform
Defend the body
Disciplined
23. Hepatitis is a general term for a disease that is caused by:
Viruses
Bacteria
Parasites
All the above
24. Which among the following is not an example of carbohydrate?
Maltose
Fructose
Glycogen
Glycine
25. Which one of the following is not correctly matched?
Haemoglobin: Skin
Vitamin C: Scurvy
Carbohydrate: Potato
Fat: Butter
26. Which is a communicable disease?
Asthma
Scurvy
Measles
Diabetes
27. Which one of the following is not correctly matched?
Tuberculosis: Lungs
Filaria: Lymph nodes
Encephalitis: Heart
Leukaemia: Blood cells
28. Which of the following has the highest protein content per gram?
Groundnut
Soyabean
Apple
Wheat
29. Which of the following have Alpha-keratin as protein?
Blood
Eggs
Skin
Wool
30. Mushrooms are/can be:
A variety of fungus
Fleshy, fruiting bodies of the fungus
Grown in small sheds or plots
All the above
31. Which of the following is not a primary food product?
Vegetables
Milk
Cereals
Fruits
32. Which of the vegetables have abundance of Vitamins A and C?
Brinjal
Lady's finger
Potato
Tomato
33. Which of the following defence of the human body against bacteria?
Haemoglobin
Phagocytes
Red blood cells
Blood platelets
34. Which of the following nerves connected from the eyes to ears?
Cerebrum
Cerebellum
Medulla
Spinal cord
35. Leukaemia is a disease that results from some kind of disorder in the blood. Precisely, leukaemia occurs due to:
Haemoglobin increase in blood
Marked increase of white corpuscles in blood
Marked increase of protein and calcium
Marked reduction of proteins in blood
36. What is blood pressure?
It is the pressure that the blood clot exerts over the brain.
It is the pressure that blood receives on account of faulty commands from the brain.
It is the pressure that fatness or old age exerts on the body's circulatory system.
It is the amount of pressure on the blood as a result of the heart's pumping function and the resistance of the arterial walls.
37. Select the correct pair of disease and its causes:
Trichinosis - Bacterial infections
Sleeping sickness - Eating uncooked Pork
Athlete’s foot- Fungus
Meningitis - Protozoan (bite of tsetse fly)
38. Which of the following blood vessel that carries deoxygenated blood?
Aorta
Pulmonary artery
Hepatic artery
Pulmonary vein
39. Which of the following growth of human body affected by somatotrophic hormone?
Bones
Hair
Muscles
Connective tissue
40. Select the correct match of the disease and its affected part.
Caries - Epidermal tissue of the body
Ring worm - Brain and Spinal cord
Meningitis - Teeth
Pneumonia - Lungs
41. Hay fever is an allergic reaction to the presence of the following in the air:
Dust
Smoke
Pollen
Moisture
42. The behavioural pattern of which one of the following organisms may upset when DOT is used as pesticide?
Earthworm
Snake
Fish
Frog
43. What causes the 'mad-cow disease' (Jakob-Creutzfeldt disease)?
Bacterium
Virus
Viroid
Prion
44. What is another name of Vitamin K?
Nicotinic acid
Riboflavin
Thiamine
2 Methyl-1, 4-naphthoquinone
45. Which of the following hormone controlled the blood pressure?
Vasopressin
Oxytocin
Estrogens
Testosterone
46. Brain and the spinal cord are invested by membranes called:
Arachnoids
Pleural membrane
Meninges
None of these
47. Which one of the following organisms has a role in converting nitrates to free nitrogen?
Pseudomonas
Nitrosomonas
Nitrobacter
Rhizobium
48. Select correct match of the Biological theories or laws and Scientists.
Laws of Inheritance - Lamarck
Theories of Organic Evolution - Darwin
Theories of Natural Selection - Mendel
Germplasm Theory - Weismann
49. Which one of the following is the richest source of vitamin C?
Guava
Pineapple
Orange
Tomato
50. Which one of the following pairs is not correctly matched?
Becquerel: Radioactivity
Alexander Fleming: Penicillin
Louis Pasteur: Blood groups
William Harvey: Blood circulation
51. Which of the following is a sexually transmitted disease?
Leukaemia
Hepatitis
Colour Blindness
All of the above
52. Which one of the following systems of the body is primarily attacked by the HIV?
Cardiovascular
Immune
Respiratory
Reproductive
53. In the human body, the blood enters the aorta of the circulatory system from the:
Left atrium
Left ventricle
Right atrium
Right ventricle
54. Which one of the following plant nutrients is not supplemented in the soil for growing legumes?
Nitrogen
Potassium
Phosphorus
None of these
55. Which of the following are known as the suicide bags of cells?
Ribosomes
Golgi bodies
Lysosomes
Nucleoli
56. Chromosome complement in Turner's syndrome is
47; XXY
45; XO
46; XX
47; XYY
57. Excess of amino acids is broken down to form urea in:
Kidney
Liver
Spleen
Rectum
58. If a person can see an object clearly when it is placed at about 25cm away from him, he is suffering from:
Myopia
Hyper- myopia
Astigmatism
None of the above
59. Who among the following discovered the anti-rabies vaccine?
Edward Jenner
James Lind
Louis Pasteur
Robert Koch
60. Which of the following teeth of child (3-4 Years) is not a part of the milk teeth?
Incisors
Canines
Molars
Premolars
61. Who said this statement? "I flatter myself having discovered the method that nature employs to purify air. It is vegetation."
Antonine Laurent Lavoisier
Joseph Priestley
Louis Pasteur
William Harvey
62. Why it is not advisable to sleep under a tree at night?
Release of less oxygen
Release of more oxygen
Release of carbon dioxide
Release of carbon monoxide
63. What is the averages rate of the heart beats (per minute) in an adult?
60
72
84
96
64. Which of the following is the volume of the urine produced in an adult human every 24 hours?
1 litre
1.5 litres
3.0 litres
5.0 litres
65. Which of the following pigment causes eye colour of person (brown eyes, blue eyes or black eyes)?
Cornea
Choroid
Iris
Vitreous body
66. Which of the following led to the expulsion of milk from the breast during suckling?
Prolactin
Oxytocin
Vasopressin
Estrogen and Progesterone
67. Where does fertilization occurs in the female?
Fallopian tube
Uterus
Cervix
Vagina
68. Which of the following is the universal recipient blood group?
A
B
AB
O
69. What proportion of children is likely to be colour blindness when their parent (mother has normal vision & father has colour-blindness)?
0 per cent
25 per cent
50 per cent
100 per cent
70. Which of the following blood group is considered as Universal Donor?
A
AB
B
O
71. What part of the Quinine plant is commonly used drug for Malaria?
Leaves
Fruits
Root
Stem bark
72. Which of the following disease occur when the replacement of breast feeding by less nutritive food, low in proteins and calories, infants below the age of one year?
Kwashiorkor
Marasmus
Rickets
Pellagra
73. What happen when the exposure to carbon monoxide (from coal gas) is extremely dangerous and can kill a patient?
The compound carboxy-haemoglobin (COHb) it forms with haemoglobin can gradually clot the blood resulting in circulatory failure.
COHb reduces the ability of blood to transport oxygen by rupturing a vast majority of erythrocytes.
COHb is stable compound and thus deprives blood of its ability to transport oxygen.
COHb greatly modifies the structure of haemoglobin thus making it lose its affinity for oxygen.
74. In how many times human will lose their consciousness if blood will stop flowing to the brain?
2 sec
5 sec
15 to 20 sec
5 min
75. How many bones comprise the adult human skeleton?
204 bones
206 bones
206 bones
214 bones
76. Which of the following statement is related with the 'Sulphur shower'?
Discharge of large quantities of Crocus (yellow kesar) pollen grains into the air.
Discharge of large quantities of pinus pollen grains into the air forming yellowish clouds.
Release of a large amount of sulphur particles into the air from factories processing sulphur.
Release of a large amount of sulphur particles into the air near sulphur mines.
77. In the given item consist of two statements, one labelled as 'Assertion (A)' and the other labelled as 'Reason (R)'. Assertion (A): Persons with AB blood group can accept blood from any blood group. Reason (R): They are universal acceptor Select your answers to these items using the codes given below.Codes:
Both A and R are true and R is the correct explanation of A
Both A and R are true but R is not a correct explanation of A
A is true but R is false
A is false but R is true
78. In the given item consist of two statements, one labelled as 'Assertion (A)' and the other labelled as 'Reason (R)'. Assertion (A): Saturated fats are more reactive as compared to unsaturated fats. Reason (R): Molecules of unsaturated fats have double bonds. Select your answers to these items using the codes given below. Codes:
Both A and R are true and R is the correct explanation of A
Both A and R are true but R is not a correct explanation of A
A is true but R is false
A is false but R is true
79. In the given item consist of two statements, one labelled as 'Assertion (A)' and the other labelled as 'Reason (R)'. Assertion (A): The sons of a colour blind woman are always colour blind but not the daughters. Reason (R): Colour blindness is a sex-linked character and such characters are transferred from mother to son only. Select your answers to these items using the codes given below. Codes:
Both A and R are true and R is the correct explanation of A
Both A and R are true and R is the correct explanation of A
A is true but R is false
A is false but R is true
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