
From the given diagram of the areolar tissue, identify the correct labelling of A and B.

A: Collagen fibres
B: Mast cells
A: Mast cells
B: Monocytes
A: Mast cells
B: Collagen fibres
A: Monocytes
B: Muscle fibres

Important Questions on Tissues



Observe the picture and answer the following question
Name the part indicated as (i).


(i) excretion in Amoeba.
(ii) excretion in Earthworm.

Redraw the diagram. Name and label the parts indicated, below,
Carries impulses away from the cell body




A. Made up of dead cells
B. Have very little intercellular space
C. Cells are irregularly thickened at the corners
D. Cell wall contains lignin




Observe the given diagram and read the following statements.
(i) These are cells of collenchyma tissue.
(ii) At maturity these cells lose their nucleus and cytoplasm.
(iii) The cells are living and thick at their corners.
(iv) This tissue gives flexibility to plant parts.
Correct statements are:




Give appropriate biological or technical terms for the following:
The relaxation phase of the heart.

A) The female sex organs of Angiosperms are called strobilus.
B) The fusion of motile male gamete with non-motile egg is called zooidogamy.
C) Some algae are in association with animals.
D) Archegonium is flank shaped male sex organ with single cell.

