The stomach of humans is considered : (i) Simple or (ii) Compound

In which of the following that final image is erect? (i) Simple microscope (ii) Compound microscope (iii) Astronomical telescope (iv) Terrestrial telescope

(i) (ii) Compound (D) is:

(i) (ii) Compound (B) is:

(i) (ii) Compound (C) is:

pH of stomach in human is about -

Explain the following : (i) Testes and Ovaries are considered as the primary sex organs. (ii) Advantage of seed production in plant. (iii) Vas deferens is long in human male.

Inner lining of gut, stomach and liver is made of (a) Simple squamous epithelium (b) Simple columnar epithelium (c) Simple cuboidal epithelium (d) All the above

Inner lining of gut, stomach and liver is made of (a) Simple squamous epithelium (b) Simple columnar epithelium (c) Simple cuboidal epithelium (d) All the above

The gastric juice in the stomach of human beings is .......... and aids in the digestion of food.