XI Biology - Botany XI Karachi Board Fill in the Blanks

1. Chloroplasts are __________ green in colour.

2. Phycocyanin pigment is found in __________.

3. The pollination that takes place by water is known as __________.

4. The male sex organ in Bryphyta is know as Antherridium.

5. Petals are the component parts of __________.

6. In Chlamydomonas the chloroplas is __________ shaped.

7. A carpel consists of stigma, style and __________.

8. A fruit that develop purely from ovary is said to be simple fruit.

9. Chloroplasts are the centres of __________ synthesis.

10. A phage is a virus that infects __________.

11. Chloroplast is __________ in Cyanopyceae.

12. The pollen grains of __________ are winged.

13. Ribosomes are the centres of __________ synthesis.

14. Viruses are __________ obligate parasites.

15. The plants, which cannot synthesize their own food materials, are called __________ heterotrophic plants.


16. The word virus is derived from the Latin word. It means __________.

17. The collection of Hyphae is called __________.

18. In Bryophyte water is absorbed through __________.

19. The branches in Pinus are __________.

20. The plant body of Stigeoclonium is __________.

21. A sexual reproduction in Chalamydomanas takes place by means of motile cells called __________.

22. Pinus is an example of __________.

23. Alternation of generation in Ulva is __________.

24. Pollination by wind is called __________.

25. Stames and carpels are modified __________.

26. Thread-like structures in nucleus are called __________.

27. The germinating pollen grain is a tiny male __________.

28. Fleshy fruits are dispersed by __________.

29. __________ is a food storage tissue.

30. Pitcher plant is the modification of __________.

31. Carpal is regarded as __________ female reproductive system.

32. Leaf Spine reduces the rate of __________.

33. Brassica compestris is a member of family __________.

34. Component parts of Calyx are called __________.

35. Fabaceae family has __________ placentation.

36. Bulbil is a modification of __________.

37. Eye spot is found in __________.

38. Solanum tuberosum belongs to the family __________.

39. In castor seed the papery cotyledons are surrounded by __________.

40. Glumes are found in the family __________.

41. After fertilization ovule changes into __________.

42. D.N.A is the abbreviation of __________.

43. In Nepenthes the leaf is modified into a structure called __________.

44. Plant cell is surrounded by a cell wall, which is made up of a __________.

45. The percentage of carbohydrates present in the protoplasm is only __________.

46. In maize grain the cotyledon is known as __________.

47. Ulva is also called __________.

48. The sporophyte of Marchantia consists of foot, setae and __________

49. The inflorescence with dense cluster of flowers on a receptacle is called __________.

50. In castor seed a cup like outgrowth at the micropyle end is known as __________.

51. The plant which has 2n chromosomes is called __________.

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