Tag: structure and functions of living organisms -ii

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Questions Related to structure and functions of living organisms -ii

Multiple choice biology structure and functions of living organisms -ii role of receptors in the mouth types of teeth circulatory system and organs

The graph of electrical activity of heart versus time produced by non-invasive medical procedure is called 

  1. Electro - cardiograph

  2. Electro - encephalograph

  3. Electro - cardiogram

  4. Electro - cardiography
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The graph of electrical activity of heart versus time produced by non-invasive medical procedure is called electrocardiograph. The process of recording the electrical activity of heart over a period of time is called as electrocardiography (ECG). The graph of electrical activity of brain versus time is called as electroencephalograph. The machine used to record the electrical activity of heart is called as electrocardiogram.

Thus, the correct answer is 'Electro - cardiograph.'

Multiple choice biology structure and functions of living organisms -ii role of receptors in the mouth types of teeth circulatory system and organs

Match column I with column II and select the correct option from the codes given.

Column I Column II
A. Testis (i) Pigmentation
B. Ovaries (ii) Atrophies in adult
C. Thymus (iii) Estrogen
D. Melanin (iv) Testosterone

  1. A-(iii), B-(iv), C-(i), D-(ii)

  2. A-(ii), B-(iii), C-(iv), D-(i)

  3. A-(iv), B-(iii), C-(ii), D-(i)

  4. A-(i), B-(iv), C-(ii), D-(iii)
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation
Testosterone is released from testis.
Estrogen is released by ovaries.
In the case of the thymus, the atrophy in an adult is observed.
Melanin is the reason for pigmentation.
So, the correct option is 'A-(iv), B-(iii), C-(ii), D-(I)'