Question

"1)state the difference between benign and malignant tumor?
2)why is colosrum a boon to the newborn baby?"


class 12th CBSE Biology sample paper

Answer 1

1)

Benign Tumor:

a)Tumor retains confirmed to the affected organ.

b)The rate of Tumor growth is usually slow.

c)These tumors causes limited damage only.

d)It is non-cancerous

.

Malignant Tumor:

a)The tumor spreads to other organs of the body.

b)Rate of tumor growth is usually rapid.

c)These tumors have neoplastic cells that migrates to other sites of the body

d)they shows the property of metastasis.

e)It is cancerous cells.

.

2)The milk produced during the initial few days of lactation is called Colostrum which contains IgA antibodies that are absolutely essential to develop resistance for the newborn babies.