S. No. |
Name of organism |
Phylum |
1 |
Taenia solium (Tape worm) |
Platyhelminthes |
2 |
Fasciola hepatica(Blood worm) |
Platyhelminthes |
3 |
Ascaris lumbricoides(Round worm) |
Aschelminthes |
4 |
Wuchereria bancrofti (Filarial worm) |
Aschelminthes |
5 |
Ancyclostoma (Hook worm) |
Aschelminthes |
Which of the following is not correct?
(a) Robert Brown discovered the cell.
(b) Schleiden and Schwann formulated the cell theory.
(c) Virchow explained that cells are formed from pre-existing cells.
(d) A unicellular organism carries out its life activities within a single cell.
Describe the digestive role of chymotrypsin. What two other digestive enzymes of the same category are secreted by its source gland?
Mention the ploidy of the following:
protonemal cell of a moss;
primary endosperm nucleus in dicot,
leaf cell of a moss;
prothallus cell of a fern;
gemma cell in Marchantia;
meristem cell of monocot,
ovum of a liverwort, and
zygote of a fern.
Answer briefly:
(a) Why are villi present in the intestine and not in the stomach?
(b) How does pepsinogen change into its active form?
(c) What are the basic layers of the wall of alimentary canal?
(d) How does bile help in the digestion of fats?
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