Mention one significant difference between each of the following :
Xerophthalmia and Night blindness
| Xerolphthalmia | Night blindness |
| Xerophthalmia is a skin disorder due to deficiency of vitamin A. | Night blindness is an eye disorder due to deficiency of vitamin A. |
Fill in the blanks :
The process of purifying blood by means of an artificial kidney is called________.
Mention one significant difference between each of the following :
Holocrine and Apocrine glands
Fill in the blanks :
The stage in the embryonic development which consists of a solid ball of cells is called__________.
Fill in the blanks :
The determination of the age of a tree by counting the annual rings is known as__________
Mention one significant difference between each of the following :
Calyptra and Calyptrogen
Mention one significant difference between each of the following :
Fertilisation and Insemination
