Biology 2nd Paper MCQ-Chittagong Board-2021

1. Whicb hormone secrets from alpha $(\alpha)$ cell of pancreas?

2. Whish blood cell secrets heparin?

3. Read the following stem and answer the questions no. 18 and 19:

Though Rui and Shark both are fish but there is a systematic and structural differences present between them.

The firstly nentioned animal of the stem belongs to that class is -

4. Antibodyless blood group is

5. Fat digesting enzymes are -