MCQ
Linnaeus is credited for introduction of
- ✓Binomial system of nomenclature
- BThe principle of independent assortment
- CThe concept of inheritance of acquired characters
- DThe law of limiting factors
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| Column $-I$ | Column $-II$ |
| $(A)$ Pachytene | $(i)$ Pairing of homologous chromosomes |
| $(B)$ Metaphase$-I$ | $(ii)$ Terminalisation ofchiasmata |
| $(C)$ Diakinesis | $(iii)$ Crossing-over takes place |
| $(D)$ Zygotene | $(iv)$ Chromosomes align at equatorial plate |
$I$. $ECG$ is of a great clinical significance
$II$. Electrocardiograph is the recording of electrical changes in cardiac muscles during the cardiac cycle
$III$. To obtain a standard $ECG$, a patient is connected to the machine with $3$ electrical electrodes (one to each wrist and to the left ankle)
$IV$. Normal activities of the heart are regulated intrinsically
$V$. Electrocardiogram is the electrical activity of heart
The option with correct statements is