X STANDARD, BSS COMPILED BY: THEJASHWINI.
X BIOLOGY
Give the exact location of:
2024
1. Pericardium - Around the heart
2. Bicuspid valve / Mitral valve At the aperture between the left auricle and
left ventricle.
2023
3. Thyroid gland- In front of the neck just below the larynx.
4. Duramater - Covering / surrounding the brain.
5. Amniotic fluid - Between amnion and foetus/ surrounds the foetus
6. Papillary muscles - Arise from the ventricles of the heart.
7. Islets of Langerhans - In the pancreas.
2022
8. Pulmonary semilunar valve - At the opening of right ventricle into
pulmonary artery.
2021
9. Chordae tendinae In the inner wall of ventricles of heart arising from the
papillary muscles
10. Corpus callosum - Between two cerebral hemispheres in human brain.
11. Ciliary body - Extension of choroid layer of eye/junction of the choroid
and the iris.
12. Thylakoids - In the stroma (matrix) of chloroplast
2019
13.Testis - Inside Scrotum.
14. Incus In the middle ear between malleus and stapes.
2018
15. Epididymis - Fitting like a cap on the upper pole of the testis.
16. Lacrimal gland - Upper side portion of the orbit of eye.
17. Malleus - In the middle ear between tympanum and incus.
18. Hydathodes - Margin of leaves
2017
19. Prostate glands -Surrounds urethra close to its origin from urinary
bladder.
20. Myelin sheath Covering the axon of a neuron.
21. Semi-circular canals - Inner car.
22. Eustachian tube - In the middle ear connecting the cavity of middle ear
with the throat.
2016
23. Centromere - At some point along the length of chromosomne attaching the
two sister chromatids.
24. ProximalConvoluted Tubule - In the cortex of the kidney, between the
Malpighian capsule and Loop of Henle.
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X STANDARD, BSS COMPILED BY: THEJASHWINI.B
2015
25. Organ of Corti-In the median canal in cochlea of inner ear / on the basilar
membrane of median canal in cochlea.
26. Lenticels -On the older stem / woody stem.
27. Loop of Henle - In the renal medulla of kidney.
2014
28. Tricuspid value - At the aperture between right auricle and right ventricle /
At the right auriculo ventricular aperture.
29. Amnion - Surrounding the developing foetus
30. Yellow spot - Back of eye, in the centre of horizontal axis of eye ball on
retina.
31. Seminal vesicle - Between the posterior surface of the urinary bladder and
rectum
32. Adrenal gland - Anterior tip of each kidney fitting like a cap.
2013
33. Choroplast - In the cytoplasm of green plant cells.
34. Guard cells - In between the epidermal cells of leaves surrounding the
stomata.
2012
35. Centrosome Near the nucleus in the cytoplasm of animal cells.
2011
36. Pituitary gland - Hangs from the base of midbrain below hypothalamus /
attached to hypothalamus.
2006
37. Stoma - Epidermis of leaves, surrounded by guard cells.
38. Seminiferous tubules - Lobules of the testis.
39. Apical meristem - Tip of root or shoot.
40. Pinna- Side of heador face / below the temple (fore head).
41. Epidermis of plants - Outer surface of leaves / stenms / roots.
2005
42. Meninges - Covering/ surrounding brain and spinal cord.
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