Column I |
|
Column II |
|
(a) |
Eosinophils |
(iii) |
Resist infections |
(b) |
RBC |
(v) |
Gas transport |
(c) |
AB Group |
(ii) |
Universal Recipient |
(d) |
Platelets |
(i) |
Coagulation |
(e) |
Systole |
(iv) |
Contraction of heart |
What is meant by double circulation? What is its significance?
Name the components of the formed elements in the blood and mention one major function of each of them.
What is the difference between lymph and blood?
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.
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.
Define oxygen dissociation curve. Can you suggest any reason for its sigmoidal pattern?
What is a mesosome in a prokaryotic cell? Mention the functions that it performs.