Mention one significant difference between each of the following :

Morula and Blastula

12.

Answer the following

What is pulvinus?

Explain briefly

Explain briefly

Pollinium

Explain briefly

Explain briefly

Micturition

Explain briefly

Sarcomere

State the contribution of the following scientists :

(i) Robert Koch

(ii) Edward Jenner

(iii) Hansen

(iv) John Otto

(v) Funk

Elaborate the following

(i) ABA    

(ii) CNS

(iii) EEG    

(iv) AIDS

(v) ERV

(a) Give the anatomical (internal structure) differences between a dicot stem and a monocot stem.

(b) Give an account of the different types of soil water.

(c) State the importance (one point) and one deficiency symptom of the following in our body.

(i) Folic acid   

(ii) Phosphorus