ICSE biology
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Give one difference between each of the following:
(i) Ventricular systole and Ventricular diastole.
| Ventricular systole | Ventricular diastole. |
| Ventricles contract | Ventricles relax |
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Give one difference between each of the following:
Sertoli cells and Spermatids
| Sertoli cells | Spermatids |
| Cells present in germinal epithelium of seminiferous tubules. | Each primary spermatocyte undergoes meiotic division which results in four daughter cells known as spermatids. |
Give one difference between each of the following:
Dwarfism and Cretinism.
| Dwarfism | Cretinism |
| Caused due to deficiency of growth hormone. | Cause due to deficiency of thyroxine hirmone |
Give one difference between each of the following:
Antibodies and Interferons.
| Antibodies | Inteferons |
|
Produced by the B–cells and defined the body against infection. |
Produced by virus-infected cells and protect the body cells against viruses. |
Give one difference between each of the following:
Glucocorticoids and Mineralocorticoids.
| Glucocorticoids | Mineralocorticoids. |
|
Regulate metabolism of proteins, carbohydrates and fats and also increase the blood sugar level. |
This hormone is secreted by adrenal cortex and is under the control of ACTH of pituitary. |
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Mock Test Series
Mock Test Series