Biology IX Karachi Board Fill in the Blanks

Complete the following sentences with appropriate answers:




1. Cell was discovered in 1665 by _________.

2. Fungi cannot make their own food because they lack _________.

3. The physical and chemical breakdown of food in humans first begins in the _________.

4. During respiration _________ is released from food.

5. The different parts of human body and their functions are described in the book _________ written by Abdul Malik Asmai.

6. The study of tissues is called _________.

7. The hormone insulin is secreted by _________.

8. Tape-worm belongs to the phylum _________.

9. The fourth whorl of a flower is known as _________.

10. Stem increases in thickness due to _________.

11. The distance between two nodes of a stem is called _________.

12. “Al-Mansoora” is written by _________.

13. The third eyelid (transparent membrane) that protects the eye of frog in water is known as _________.

14. The organs of locomotion in _________ are called Setae.

15. _________ supplies blood to the brain and to the parts associated with the brain of forg.

16. The genes representing a pair of contrasting characters are called _________.

17. Firdous-ul-Hikma is written by _________.

18. Star-fish belogns to the phylum _________.

19. Androecium is the _________ whorl of a flower.

20. Goitre is caused by the deficiency of _________.

21. Fish respires by means of special structures called _________.

22. _________ controls all functions of a cell.

23. A long narrow and cylindrical fruit of Brassica compestris is called _________.

24. The transfer of pollen grains from another to the stigma of carpel is called _________.

25. Excretory organs in insects are called _________.


26. The single major contribution of Muslim scientists in the field of scientific method is use of _________.

27. The two main subdivisions of biology are _________ and _________ each of which has several further branches.

28. Life can be best defined by comparing _________ of living things with those of _________ things.

29. When food is burnt in our cells in the presence of oxygen to produce energy the process is called _________.

30. When a cell divides to produce two new cells exactly like the parent the process is called _________.

31. The sum of chemical reaction in cells is called _________.

32. Cells were described for the first time by _________.

33. The tiny organs of a cell are called _________.

34. Fungi cannot make their own food because they lack _________.

35. Mosses belong to the group called _________.

36. Invertebrates with spiny skins and hard plates, are known as _________.

37. Birds possesses _________ bones.

38. The major distinguishing feature of vertebrates in the presence of _________.

39. Mango is an Angiosperm plant with two cotyledons. So it belongs to the subgroup called _________.

40. The internal factor necessary for photosynthesis in plants is _________.

41. Glucose produced by photosynthesis may be transformed into complex carbohydrates and other _________ which are utilized by plants or stored in edible plant parts.

42. Plants, which feed on other plants and harm them, are called _________.

43. Plants that feed on dead organic matter are called _________.

44. Some plants are specially adapted to get their food by _________ mode of nutrition.

45. Organic compounds in our food consisting of carbon, hydrogen and oxygen are called _________.

46. Glucose and fructose combine to form a 2-sugar carbohydrate called _________.

47. One gram of glucose releases about _________ calories of energy.

48. The total number of known amino acids is _________.

49. All organisms need food for _________.

50. The building blocks of proteins are _________.

51. Physical and chemical breakdown of food in man first begins in the _________.

52. The blind sac at the juction of small and large intestine is called _________.

53. Wave-like automatic contractions of the gut are called _________.

54. The basic processes of transport of substances in cells of all organisms are _________ and _________.

55. Plants transport water, minerals and food from region to region by a _________ system.

56. Too rapid evaporation of water in hot weather causes loss of _________ pressure in plant cells and _________ of plants.

57. Leaves remain cool even in sunlight due to the cooling effect of _________.

58. Heart failure may occur due to _________.

59. Hear muscle is different from _________ in working continuously and automatically without experiencing fatigue.

60. A blockage in the _________ stops the flow of blood and oxygen to muscles of the heart.

61. Respiration takes place in _________ cells of a plant while photosynthesis occurs only in _________ parts.

62. During respiration _________ is released from food.

63. Breathing means _________ of oxygen and carbon dioxide with the _________.

64. Food is prevented from entering the larynx by _________ which guards the opening into it.

65. Oxygen from the lungs is transported to the cells in the form of _________.

66. The volume of the thoracic cavity increases when muscles of the rib cage and the diaphragm _________.

67. The control center for breathing is located in the _________.

68. The capillary network enclosed in Bowman’s capsule is called _________.

69. Persons suffering from kidney failure can be helped either by such artificial means as _________ or by _________ transplants.

70. Excretion involves removal of _________, excess _________ and _________.

71. Nitrogenous wastes are produced when _________ are metabolized.

72. Extra quantities of CO2, O2 and water in plants is released through _________.

73. Like animals, plants too are _________ to environmental factors.

74. Any environmental factor to which plants react is called a _________ whereas the reaction itself is called a _________.

75. Support and movement human being is a function of _________ and _________.

76. The body of invertebrates such as arthorpoda is protected and supported by an _________.

77. The joints of skull bones are of _________ types.

78. Ligaments hold the _________ together.

79. The type of muscle which makes possible movements of a vertebrate animal is called _________.

80. Co-ordination of various activities of the body in multicellular animals is not possible without _________ systems.

81. Single-celled organisms are too small to need special means of _________ of information.

82. Large animals have developed two special systems of communication namely _________ and _________ systems.

83. The structure which perceive environmental stimuli are called _________.

84. The main effectors in the body of animals are _________ and _________.

85. Glands without duct are called _________.

86. Tissues and organs, which respond to hormones, are called _________ sites.

87. The endocrine gland, which controls the function of thyroid, adrenal, ovary and testis, is called _________ gland.

88. Hormones are substance made by _________ and are released directly into _________.

89. Budding results in new individuals by the process of _________ division.

90. The asexual method of reproduction in yeast is _________.

91. The 3rd and 4th whorls of flower are _________ and _________.

92. Fusion of sperm with the egg results in formation of a _________ with _________ number of chromosomes.

93. The part of the seed which contains nourishment for the embryo is called _________.

94. The development of a tadpole to become an adult frog is called _________.

95. The science which deals with the study of viruses, bacteria, protozoa and microscopic fungi is called _________.

96. Some bacteria can reproduce so fast that they can produce almost _________ generations in 24 hours.

97. Food can be preserved by _________, _________ and _________.

98. Genetic engineering is a branch or area of _________.

99. Biological principles which explain similarities and differences among individuals are called _________.

100. The science which deals with structure and working of DNA and genes inheritance is called _________.

101. Chromosomes consist of _________ and _________.

102. An individual receives _________ percent of its chromosomes from each parent during sexual reproduction.

103. An ecologist specializes in learning about interrelationships _________ and their interaction with _________ environment.

104. The components of environment are _________ and _________.

105. The place where organisms live is called _________.

106. The different living thing component in an ecosystem constitute a _________.

107. The basic functional unit of environment is an _________.