Online Biology Quiz
1. Consider the following statements about antigens:
1. They induce the formation of antibodies.
2. They provide immunity.
3. They are formed only within the body.
Of these statements, the correct ones are
(a) 1 and 2
(b) 2 and 3
(c) 1 and 3
(d) 1,2 and 3
2. The tooth with three roots is ?
(b) Pre – molar
3. In mammals, the part of the brain that has reached highest level of development and that has enabled humans to grow their own crop, invent machines ,develop language and art is
(C) Medulla oblongata
(d) None of these
4. A person will have brown eyes, blue eyes or black eyes depending upon the particular pigment present in the ?
5. Reflex action in the body is controlled by
(a) sensory nerves
(b) central nervous system
(c) motor nerves
(d) sympathetic nervous system
6. What is the maximum limit of sound intensity in decibel units beyond which a. person cannot hear?
7. Which of the following is a membrane that protects the developing embryo from desiccation?
(d) Yolk sac
8. Which of the following combinations of chromosomes is present in males?
9 Biological death of a patient means death of tissues of the ?
10. During the development of an embryo, the formation of brain marks the beginning of organ formation. Eye in a vertebrate develops from midbrain. If after the formation of brain, the mid brain is destroyed, then what will be the resultant effect?
(a) Total failure of eye formation
(b) Development of a single eye
(c) Defective development of eyes
(d) Absence of vision in the eyes
11. The normal temperature of human body on the Kelvin scale is ?
12. Clotting of blood vessels is called
13. Blood group of an individual is controlled by?
(a) shape of RBC
(b) shape of WBC
14. Which of the following forms an irreversible
complex with hemoglobin of blood?
(a) Carbon monoxide
(b) Carbon dioxide
(c) Pure nitrogen gas
(d) A mixture of carbon dioxide and helium
15. If father has blood group A and mother has blood
group O, then which of the following blood groups may be found in their son?
(d) B,AB or O
16. If one chews an unsweetened chapati for a short time, a distinctly sweetish taste becomes notice able because
(a) carbohydrate is converted into sugar in the mouth.
(b)i protein is converted into sugar in the mouth.
(c) fat is converted into sugar in the mouth.
(d) vitamins are converted into sugar in the mouth.
17. Red Green colour blindness in man is known as
(c ) Both (a) & (b)
(d) Marfan’ s syndrome
18. A person with AB blood group is sometimes called a universal recipient because of the
(a) presence of antibodies in his blood
(b) lack of antibodies in his blood
(c) lack of antigen in his blood
(d) lack of both antigens and antibodies in his blood
19. For transfusion, the ‘O’ blood group of a donor can be accepted by a person having blood group
(d) All of these
20. Which of the following structures (glands) is concerned with the production of cortisone hormone in man?
21. The most important function of perspiration is to
(a) lubricate the skin
(b) get rid of the body wastes
(c) regulate body temperature
(d)regulate body wastes
22. Human body needs a constant supply of proteins to survive. The first part of the digestive system to begin digesting proteins is
(d) large intestine
23. In human body, the leg bones are
(a) Humerus & Femur
(b) Fibula & Tibia
(c)Fibula & Ulna
(d) Tibia & Radius
24. All the veins carry deoxygenated blood, except
(b) Subclavian vein
(d) Portal vein
25. The organ in the body which accumulates iodine is
26. In metabolism, enzymes act as ?
27. Life of RBC in human blood is of
(b) 60 days
(d) 15 hours
28. Red blood corpuscles are formed in
(d) Bone marrow
29. The thyroid gland is situated near which of the
30. The salivary glands secrete saliva which contains
31. Which sugar is present in considerable amount in
32. The internal secretion of helps in digestion.
(a) citric acid
(b) sulphuric acid
(c) acetic acid
(d) hydrochloric acid
33, Saliva in man is ?
(d) None of these
34 Any foreign particle which stimulates the formation of antibodies is called ?
35. The maximum temperature the human skin can tolerate without getting blisters is?
36. How many teeth are known as milk teeth in human beings?
37. The proportion of red blood corpuscles and white blood corpuscles in human body is
38. In mammals,- the sequence of bones from shoulder to finger tips is
(a) Humerus, radius-ulna, carpals, metacarpals, phalanges
(b) Humerus, metacarpals, carpals, radius-ulna, phalanges
(c) Radius- ulna, Humerus, metacarpals, carpals, phalanges
(d) Humerus, radius ulna, metacarpals, carpals, phalanges
39. If father and mother are possessing Rh +ve and Rh -ve respectively, their children will have the blood group with
(b) Rh -ye
(c) Rh neutral
(d) None of these
40. In which part are the carbohydrates stored as glycogen in human body?