1- A person will have brown eyes, blue eyes or black eyes depending upon the particular pigment present in the:
A. Pupil
B. Cornea
C. Iris
D. Choroid
View Answer
Answer : C. Iris
Description
2- A gas first enters into the blood and then leaves it by the process of:
A. Diffusion
B. Osmosis
C. Transpiration
D. Condensation
View Answer
Answer : A. Diffusion
Description
3- A colour blind person has difficulty in distinguishing between which colours?
A. Black and Blue
B. Green and Violet
C. Green and Red
D. White and Yellow
View Answer
Answer : C. Green and Red
Description
4- Reflex action in the body is controlled by:
A. Sensory nerves
B. Central nervous system
C. Motor nerves
D. Sympathetic nervous system
View Answer
Answer : B. Central nervous system
Description
5- Which is the maximum limit of sound intensity in decibel units beyond which a person cannot hear?
A. 50
B. 70
C. 85
D. 95
View Answer
Answer : C. 85
Description
6- Which of the following glands is situated beneath the brain and whose over-secretion produces giant-size children?
A. Pituitary
B. Thyroid
C. Adrenal
D. Pancreas
View Answer
Answer : A. Pituitary
Description
7- There are approximately ______ muscles in human body.
A. 200
B. 350
C. 500
D. 700
View Answer
Answer : D. 700
Description
8- The organ which destroys worn out RBCs in the body of a vertebrate is:
A. Liver
B. Spleen
C. Pancreas
D. Bone marrow
View Answer
Answer : B. Spleen
Description
9- A person born with inner ear missing:
A. Would never be able to hear sound
B. Could only hear a loud explosion
C. Would be able to hear only with an electronic hearing aid
D. None of these
View Answer
Answer : A. Would never be able to hear sound
Description
10- Which of the following is a membrane that protects the developing embryo from desiccation?
A. Yolk sac
B. Chorion
C. Amnion
D. Allantois
View Answer
Answer : C. Amnion
Description
11- Reflex action is the function of:
A. Cerebellum
B. Spinal cord
C. Medulla
D. Autonomous nervous system
View Answer
Answer : B. Spinal cord
Description
12- Which of the following combinations of chromosomes is present in males?
A. XY
B. XYX
C. XX
D. XXX
View Answer
Answer : A. XY
Description
13- The saliva helps in the digestion of:
A. Proteins
B. Fats
C. Fibers
D. Starch
View Answer
Answer : D. Starch
Description
14- Detection of Rh factor is an example of:
A. Chemical
B. Enzymatic
C. Phagocytic
D. Immunologic reaction
View Answer
Answer : D. Immunologic reaction
Description
15- Inside the body, blood does not coagulate due to the presence of:
A. Fibrin
B. Hemoglobin
C. Heparin
D. Thromboplastin
View Answer
Answer : C. Heparin
Description
16- Biological death of a patient means death of ______ tissues:
A. Brain
B. Lungs
C. Heart
D. Kidney
View Answer
Answer : A. Brain
Description
17- Radial keratotomy, a surgical procedure, is used to cure:
A. Cataract
B. Myopia
C. Astigmatism
D. Hypermetropia
View Answer
Answer : B. Myopia
Description
18- Lymph vessels of human beings are inhabited by:
A. Euglena
B. Wucheria
C. Tape worm
D. Plasmodium
View Answer
Answer : B. Wucheria
Description
19- The pitch of the voice of women is generally:
A. Same as that of men
B. Higher than that of men
C. Lower than that of men
D. None of these
View Answer
Answer : B. Higher than that of men
Description
20- 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 midbrain is destroyed then what will be the resultant effect?
