Biology
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 |
Genetics
ICSE 2015
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Answer
| Column A | Column B |
|---|---|
| Allele | Alternate forms of genes. |
| Leydig cells | Testosterone. |
| Utriculus | Static equilibrium. |
| Snake bite | Tourniquet. |
| Euro IV norms | Control of automobile exhaust. |
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Related Questions
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 ……………
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.
The diagram below shows two test-tubes A and B. Test-tube A contains a green water plant. Test-tube B contains both a green water plant and a snail. Both test-tubes are kept in sunlight. Answer the questions that follow:
(i) Name the physiological process that releases the bubbles of oxygen.
(ii) Explain the physiological process as mentioned above in Q.2(a)(i).
(iii) What is the purpose of keeping a snail in test-tube 'B'?
(iv) Why does test-tube 'B' have more bubbles of oxygen?
(v) Give an example of a water plant that can be used in the above experiment.
(vi) Write the overall chemical equation for the above process.
Give the biological / technical terms for the following:
(i) A mixture of smoke and fog.
(ii) Capacity of our body to resist diseases.
(iii) Fixing of developing zygote on the uterine wall.
(iv) The permanent stoppage of menstruation at about the age of 45 years in a female.
(v) The hormone increasing reabsorption of water by kidney tubules.
(vi) A thin membrane covering the entire front part of the eye.
(vii) The lens of eye losing flexibility resulting in a kind of long-sightedness in middle aged people.
(viii) The number of persons living per square kilometre at any given time.
(ix) The sound produced when the atrio-ventricular valves close in the heart.
(x) The process by which white blood cells engulf bacteria.