Adherent mucoid alkaline substance covering the inner lining of stomach is to :
1). digest starch
2). act against bacteri
3). aprevent the action of pepsin of mucosa
4). prevent viral Infection
2. Only male frog produce croacking sound because-
3. In autotrophic bacteria, where is chlorophyll located?
4. The cells constituting walls of the blood capillaries are known as
5. Who discovered the Cholera causing germ?
6. The largest gland of the human body is
7. Which one of the following completes the given statement correctly?A seed is a ripened _______
8. Question 10:What is pedigree analysis? Suggest how such an analysis, can be useful.
9. In Animal Kingdom classification, which of the following is not a Phylum?