Biology
Given below is an example of a certain structure and its special functional activity. On a similar pattern fill in the blanks with suitable functions:
Example: Chloroplast and Photosynthesis
(i) Xylem and ……………
(ii) Ciliary Body and ……………
(iii) Seminiferous Tubule and ……………
(iv) Thyroid gland and ……………
(v) Eustachian Tube and ……………
Answer
(i) Xylem and upward transport of water and minerals.
(ii) Ciliary Body and alters the focal length of lens.
(iii) Seminiferous Tubule and production of sperms.
(iv) Thyroid gland and secretion of Thyroxine for regulation of basal metabolism.
(v) Eustachian Tube and equalizes air pressure on either side of ear drum.
Related Questions
Mention the exact location of the following structures:
(i) Thylakoids
(ii) Organ of Corti
(iii) Lenticels
(iv) Bicuspid valve
(v) Loop of Henle.
The diagram given below represents a certain stage of mitosis:
(i) Identify the stage of cell division.
(ii) Name the parts labelled A and B.
(iii) What is the unique feature observed in this stage?
(iv) How many daughter cells are formed from this type of cell division?
Rewrite and complete the following sentences by inserting the correct word in the space indicated:
(i) The phenomenon of loss of water through a cut stem or injured part of plant is called …………….
(ii) …………… is the scientific name of garden pea, which Mendel used for his experiments.
(iii) A fluid that occupies the larger cavity of the eye ball behind the lens is …………….
(iv) Oxygen combines with haemoglobin present in RBC and forms …………….
(v) …………… causes corrosion of the marble or brick surface.
Match the items in Column 'A' with those which are most appropriate in Column 'B'.
Rewrite the matching pairs as shown in the example:
Example: Fibrinogen – Clotting of blood.Column A Column B (1) Allele (a) Control of automobile exhaust (2) Leydig cells (b) Tourniquet (3) Utriculus (c) Alternate forms of genes (4) Snake bite (d) Dynamic equilibrium (5) Euro IV norms (e) Testosterone (f) Sudden change in genes (g) Static equilibrium