Help in Animal Tissue

These are some tricky multiple choice questions of my book.

1. Which of the following mammalian tissue is associated with filteration and diffusion?
a. Simple columnar
b. Simple squamous
c. Stratified squamous
d. Stratified columnar

2. Area of synapse contains inhibitory chemicals. is it true. if so what are they?

3. Bone marrow occurs in
a. Ribs and sternum
b. Ribs ,sternum and Cranial bones
c. Ribs and cranium
d. Only ribs

4. Regeneration of cartilage can occur from
a. matrix b. Plasma c. Perichondrium
d. a piece with our perichondrium

5. Structure absent in fresh frozen blood is
a. immunoglobin b. Plasma c. albumin
d. Platelets

6. Direction of nerve impulse is reversed in nerve with
a. Axo-axonic b. Axo-dendritic c. Axo-axondendritic
d. None.

And what are the different types of synapse and how r they.

7. Nerve tissue originates from
a. Endoderm b. Ectoderm c. Mesoderm
d. Ectoderm & Mesoderm

Please give reasons in support of your answer.

Thanks for any help.