|
Column I |
|
Column II |
(a) |
Chlamydomonas |
(iii) |
Algae |
(b) |
Cycas |
(iv) |
Gymnosperm |
(c) |
Selaginella |
(ii) |
Pteridophyte |
(d) |
Sphagnum |
(i) |
Moss |
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.
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.
What is meant by the term osmoregulation?
Discuss the main steps in the digestion of proteins as the food passes through different parts of the alimentary canal.
State the role of pancreatic juice in digestion of proteins.
Describe the structure of the following with the help of labelled diagrams.
(i) Nucleus
(ii) Centrosome
Nice
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Was very helpful.,thank u so much