Deep CLASSES (SCIENCE AND TECHNOLOGY -
IX) MARKS: 50 TIME : 1 ½ HOUR
1. For meticulous functioning of organisms, there has to be perfect ________________ among different systems.
2. Control refers to systematic _________________ of various activities.
3. The loss of water from the plant is called as _________________.
4. Transpiration takes place in the leaves through ______________openings.
5. The ascent of sap in the shoot is called as _______________.
6. _____________ is necessary to obtain energy from glucose and fatty acids.
7. Various organ systems function in _________________manner
8. Any disturbance at any stage due to lack of co-ordination or can leave the desired process ______________.
9. There should not be ______________of any nature at any stage or process successfully.
10. The maintenance of steady state by different systems of an organism for its optimal functioning because of perfect co-ordination is _______________________.
11. In Mimosa, movement is in response to stimulus of ___________.
12. Plant exhibits two types of movements, one which is ___________________________________ other which __________________________________________.
13. The stem bends slightly towards the window in search of light is called as ____________________________.
14. The movement or growth of any part of plant in response to an external stimulus is called ____________.
15. When light falls on a part of plant, a hormone _________is synthesized at tip of shoot which helps the cells to grow longer.
16. The root system of plants responds to stimulus of gravity is called as _______________________________.
17. The root system of plants responds to stimulus of water is called as _______________________________.
18. __________________________ is the movement of plants in response to certain chemicals.
19. Hormone __________________helps in growth of stem.
20. _______________________is a plant hormone which inhibits growth leading to wilting of leaves.
21. ____________________is a plant hormone that promotes cell division.
22. Certain movements of plants that do not result in their growth are termed as __________________________
movements.
23. The plant use _____________or chemical means transfer of information from one cell to another.
24. The venus flytrap has a trap which looks like and smells like a _____________ to insects.
25. When insects land on trap of venus flytrap, they touch a ____________________which slams the trap shut.
26. Drosera is an ___________________plant.
27. The explosive fruit of balsam plant burts open at an appropriate time thus ____________________the seeds.
28. The co-ordination of different bodily activities are controlled by two mechanisms namely _________________
and _________________________.
29. In frogs, thyroid secretion stimulates the ____________________from tadpole to adult frog.
30. The left hemisphere of brain has ______________ more neurons that the right hemisphere.
31. _______________litre of blood flows through the brain every minute.
32. The nerves are composed of neurons and __________________.
33. The weight of brain of Albert Einstein was ________kg.
34. The central nervous system comprises of brain and _____________________.
35. The peripheral nervous system includes all __________ which form network and spread throughout the body.
36. The brain can stay alive for _______minutes without oxygen.
37. The _______________nervous system comprises of all the nerves present involuntary organs like lungs, heart, stomach, etc.
38. _______________nerves carries impulses from brain to sensory organs.
39. The average weight of human brain is approximately ___________kg.
40. In certain coelenterates like hydra, the nervous system is at a very ________________stage of development.
41. Insect metamorphosis is under ______________control.
42. In annelids like earthworm, a number of nerve cells come together and form a ________________.
43. The clusters are joined together to form a beaded structure called the _______________.
44. Short term memory lasts only for _____seconds.
45. Long term memory is for things that you have carefully learned or _______________________.
46. Each side of the brain controls the _____________side of the body.
47. The small gap called as synapse is of length _______nm.
48. The ________________are supportive cells which assist the neurons in their function.
49. __________________________are also known as ‘glands of internal secretion.’
50. Hormones are also referred to as _____________________________.
51. ____________________at the tip of the tongue detect sweet taste.
52. Food tastes odd when we have a cold as the ___________________ become inflamed.
53. In arthropods, ____________induce colour changes and are influential in regulating development.
54. It is important that hormones should be secreted according to ____________________.
55. The required quantity and time of release of hormone are regulated by __________mechanisms.
56. When the sugar level of blood rises, it is detected by cells of _______________.
57. As the sugar level of blood falls, the secretion of ______________is reduced.
58. _____________memory is brief, it tells you what is happening around you.
59. All information from our environment is picked up by specialised tips of ____________of a neuron.
60. The nerve fibre is also called as ________.
61. When an action or movement has to be brought about, the ________________ does the final job.
62. Muscle cells possess special kinds of ___________which are capable of bringing about change in their shape.
63. Nervous tissue is composed of a highly organised network of neurons capable of transferring information in the form of _______________________ from one part of body to another.
64. ____________neurons impulses from brain and spinal cord to effector organs like muscles and glands.
65. _______________neurons perform integrative functions of nervous system.
66. _______________neurons conduct impulses from sense organs to brain and spinal cord.
67. ___________ control is brought about by chemical substances called hormones.
68. Ductless glands are also called as _________________________.
69. Cell body is also called as _________.
70. Any sudden action in response to some happening in ________________, is called as reflex action.
71. ________________are perhaps evolved in animals because thinking process of brain is bit slow.
72. The central nervous is composed of _____________and _________________.
73. The brain is protected by bony structure called as______.
74. The spinal cord is protected by ____________________________.
75. Protective membranes called _____________ are present in space between soft CNS and bone.
76. The cavities present on different parts of brain are known as ____________.
77. The long cavity of spinal cord is called as ___________________.
78. The ventricles, central canal and space between meninges are filled by ________________________________.
79. ________keeps CNS well nourished.
80. The skull is also called as ____________.
81. The vertebral column is also called as________________.
82. ______protects CNS by absorbing mechanical shocks.
83. The _______________________shares its responsibility of control and co-ordination with the nervous system.
84. Nerve impulse are rapid and usually of ____________________.
85. Hormonal action is much slower and ___________________.
86. Involuntary actions like blood flow, breathing, sneezing ,etc are controlled by _________________________, a component of hindbrain.
87. ____________________is responsible for maintaining brain nce of our body.
88. ________________________________is composed of cranial nerves from brain and spinal nerves from spinal nerves.
89. The full form of CSF is called as _______________________________________________.
90. The brain is a complex structure mainly divided into ______________,______________and ______________.
91. ____________________ is main thinking part of brain.
92. There are different areas where sensory information received and interpreted are put together with the information from other receptors as well as information that is already stored in brain. Such centres are known as _________________________.
93. The voluntary movements such as riding bicycle, picking up an object from the floor, running along a straight line is controlled by ____________________.
94. ____________enter the back of nose when we inhale.
95. The __________________of brain controls speaking, writing and logical thought.
96. Oxygen is supplied by process of ______________.
97. The movement of plant in response to stimulus of touch is called as __________________movement.
98. In unicellular amoeba, there is no ______________________.
99. Taste buds at the back of tongue detect ____________taste.
100. Group of taste buds at the side of tongue measures ________and _______tastes.
2. Regulation
3. Transpiration
4. Stomatal
5. Translocation
6. Oxygen
7. Synchronized
8. Incomplete
9. Randomness
10. Homeostasis
11. Touch
12. Growth dependent movement, growth independent movement
13. Phototrophic movement
14. Tropism
15. Auxin
16. Gravitropic movement
17. Hydrotropic movement
18. Chemotropism
19. Gibberellins
20. Abcissic acid
21. Cytokinins
22. Growth independent
23. Electrical
24. Flower
25. Trigger hair
26. Insectivorous
27. Scattering
28. Chemical control, nervous control
29. Metamorphosis
30. 186 million
31. 0.75 to 1
32. Neuroglia
33. 1.230
34. Spinal cord
35. Nerves
36. 4-6
37. Autonomic
38. Efferent
39. 1.3-1.4
40. Primitive
41. Hormonal
42. Cluster
43. Nerve cord
44. 30
45. Memorised
46. Opposite
47. 2-20
48. Neuroglia
49. Endocrine glands
50. Chemical messengers
51. Taste buds
52. Nasal organs
53. Hormones
54. Requirement
55. Feedback
56. Pancreas
57. Insulin
58. Sensory
59. Dendrites
60. Axon
61. Muscle tissue
62. Proteins
63. Electrical impulses
64. Motor
65. Association
66. Sensory
67. Chemical
68. Endocrine glands
69. Cyton
70. Environment
71. Reflex arcs
72. Brain, spinal cord
73. Skull
74. Vertebral column
75. Meninges
76. Ventricles
77. Central canal
78. Cerebro spinal fluid
79. CSF
80. Cranium
81. Backbone
82. CSF
83. Endocrine system
84. Short duration
85. Long-lasting
86. Medulla oblongata
87. Cerebellum
88. Peripheral nervous system
89. Cerebrospinalfluid
90. Forebrain,mid brain, hind brain
91. Fore brain
92. Association centres
93. Cerebellum
94. Smells
95. Right side
96. Respiration
97. Seismonatic
98. Nervous system
99. Bitter
100. Salty, sour
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