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| 12th Biology Chapter 19 - Growth and Development Questions Bank |
Biology 2nd Year Chapter 19 Growth and Development Solved MCQs, Important Short Questions and Long Questions Bank
MCQs
Please select the right answer.
1. A condition in which palatine processes of maxilla and palatine fail to fuse is:
2. A series of mitotic divisions which take place in a zygote are called
3. Acetabularia is an/a:
4. Anything which interferes with the normal process of development is the factor causing:
5. Apical Dominance is caused by:
6. Area pellucida
7. Arthritis and arteriosclerosis
8. At the cephalic end of primitive streak, closely packed cells form a local thickening known as
9. Blastula
10. Cambium
11. Chick hatches
12. Clear cytoplasm produces:
13. Closely packed cells at cephalic end of primitive streak form a local thickening called
14. Determinants
15. Differentiation means
16. During cell division the number of cells increase by
17. During elongation the cell volume increases up to:
18. During elongation the cell volume increases upto 150 times due to uptake of
19. During gastrulation epiblast and hypoblast are two layers of
20. During the development of chick, somites are formed after
21. Earth worm can regenerate
22. Environmental factors causing abnormal development are grouped together as
23. Experiments on Acetabulum were performed by
24. from how many celled embryo did Spemann observed that, if a single cell is separated, it contains a complete set of genes and forms a complete embryo?
25. Grey equatorial cytoplasm gives rise to:
26. Grey vegetal cytoplasm gives rise to Muscle
27. Haemmerling performed experiments on
28. Haemophilia is caused due to abnormalities in
29. If plants are grown in dark, it faces the deficiency of
30. Immediately after fertilization, the egg undergoes a series of mitotic dlvisions called:
31. In 18 hours embryo, it is the most prominent structure
32. In 24 hours embryo, the folding of neural plate is clearly visible in
33. In microcephaly, the individuals are born with small
34. In the chick of 18 hour, the structure formed is
35. Increase in cell volume
36. Indeterminate growth is
37. Intercalary meristems are situated at
38. It gives rise to muscle cells
39. Larval epidermins is produced by
40. Lizard can regenerate
41. Lobster can regenerate only
42. Man can regenerate
43. Match cambium with one the followings
44. Match growth correlations with one of the following
45. Match harelip with one of the followings
46. Match tetrogen with the deficiency of one of the following
47. Meristems are young tissues or group of cells that retain the potential to
48. Meristems found at the tips of root and shoot are called
49. Metabolic activity and growth cannot take place in absence of
50. Movement and rearrangement of the cells in the embryo is called
51. Neural groove is formed after
52. Neurula
53. Optimum temperature for growth of plants is:
54. Organogenesis
55. Primary growth
56. Primary growth in plants is caused by
57. Regeneration
58. Regeneration by dedifferentiated cells takes place in
59. Regeneration in plant is confined to
60. Salamander can regenerate
61. Secondary growth leads to an increase in the diameter of the:
62. Selection of genes is done by
63. Spemann performed experiments on
64. Tetrogens are
65. The biologists performed experiments on induction
66. The branch which deals with the study of abnormal structures is
67. The cambium is formed in
68. The cavity formed between somatic and splanchnic mesoderm is
69. The cavity formed between somatic and splanchnic mesoderm is:
70. The cells which have ability to divide are
71. The condition in which individuals have small skull:
72. The condition of small skull is
73. The developmental stage in which germ layers are formed;
74. The discoidal cap of celis above the blastocoele is called:
75. The formation of cells of pith, cortex and vascular bundle is
76. The growth of flowers is
77. The growth of root is
78. The growth, in which length of plant increases, is
79. The growth, in which width of plant increases, is
80. The hormone which releases inhibitory effect is
81. The human life span is judged to be maximum of
82. The intercalary meristem is
83. The internal factor for growth is
84. The larval epidermis is formed from
85. The layers of blastula are
86. The leaf primordial cells form which of the following organ?
87. The light which favours elongation of cells is
88. The meristem present at the base of internodes is
89. The meristem present at the tip of roots is
90. The mesodermal cells do not invaginate but migrate medially and caudally from both sides and create a midline thickening called:
91. The mesodermal cells migrate medially and caudally to form
92. The negative physiological changes in our body are called
93. The negative physiological changes in the body are
94. The neurula is the stage in which embryo has
95. The part of cytoplasm which form notochord is
96. The peripheral part of blastoderm is called
97. The phenomenon which inhibits the sprouting of lateral bud is
98. The pigment free area of egg is called
99. The pigmented free area that appears at the time of fertilization is called:
100. The plant hormone that inhibit the growth of lateral shoots:
101. The presumptive endoderm is
102. The primary organizer is
103. The primitive groove is marked on both sides of the embryo by
104. The progressive changes which are undergone before an organism acquiresits adult form constitute
105. The removal of apex releases the lateral buds from the apical dominance.It is called
106. The rounded closely packed mass of blastomere is
107. The scientist who worked on Acetabularia is
108. The scientist who worked on sea urchin embryo was
109. The shell of chick egg is secreted as egg passes through
110. The size of Acetabularia may be upto several centimeters, though it has
111. The stage of embryo with segmented cavity is called
112. The study of aging is called
113. The study of human populations and things that affect them is called:
114. The syndrome which leads to tallness and aggressiveness is
115. The temperature 25-30 C
116. The upper area with translucent appearance is
117. The zone present at a little distance from the apex is
118. Thimann and Skoog
119. This alga has a long stalk with an umbrella shaped cap at its top and rhizoids, attached to the ground
120. This is the condition in which one of the sex chromosome is missing
121. Vitamins are the organic compounds synthesized within the plant bodies in the presence of
122. what causes apical dominance by diffusing from the apical bud which inhibits the growth of lateral buds?
123. When a piece of ectoderm was removed from Frog’s embryo, it was unable to form normal
124. Which light enhance cell division and and cell enlargements
125. Which of the following factors supply energy during growth?
126. Which of the following hormones produces inhibitory effect in apical dominance?
127. Which of the followings can slow down the process of aging?
128. Which of the followings form body muscles?
129. Which of the followings is external factor in growth?
130. Which of the followings is irrelevant for growth and development?
131. Which of the followings possesses the greatest power of regeneration?
132. Xylem and phloem are formed in
133. Xylem and phloem are formed in
134. Yellow cytoplasm
135. Yellow cytoplasm gives rise to
136. Zygote of which animal Spemann divided into two equal halves with the help of minute ligature of human hair?
Short Questions
1. Classify the plants according to photoperiodic requirement for flowering. Name types of plants according to photoperiodism.
2. Compare sexual and asexual reproduction.
3. Define apomixes. What is meant by apomixes? What is apomixes
4. Define apomixis.
5. Define climatric?
6. Define diplohaplontic life cycle.
7. Define fertilization?
8. Define Parthenogenesis?
9. Define photoperiodism and write its effects in plants. Give importance of photoperiodism in plants.
10. Define photoperiodism?
11. Define reproduction.What is its significance?
12. Define vernalization. What is vernalization?
13. Describe diplontic life cycle.
14. Developing seeds are rich sources of which growth substances (or hormones)?
15. Differentiate between asexual and sexual reproductions?
16. Differentiate between haploid parthenogenesis and diploid parthenogenesis. Define diploid parthenogenesis. Define diploid parthenogenesis.Give an example.
17. Differentiate between identical twins and fraternal twins. How identical twins and fraternal twins are produced?
18. Differentiate between internal and external fertilization.
19. Differentiate between isomorphic and heteromorphic?
20. Differentiate between menupause and ovulation. Explain menupause and after birth.
21. Differentiate between P 660 and P 730?
22. Differentiate between spermatogenesis and oogenesis.
23. Explain haplontic life cycle.
24. Give examples of some animals in which external fertilization occurs?
25. Give some advantages of cloning?
26. Give some disadvantages of cloning?
27. Give three examples, each of short-day plats and long-day plants.
28. How can you differentiate between menstrual cycle and oestrous cycle? Define/ Explain oestrous cycle.
29. How does reproduction differ from all other function of animals?
30. How is a zygote formed?
31. How lactation differ from gestation?
32. How many types of reproduction are there?
33. How test tube babies are produced? What are test tube babies
34. In which ways does light influence plants?
35. Quote examples of animals which develop by parthenogenesis?
36. What are day neutral plants?
37. What are different methods of asexual reproduction?
38. What are drones?
39. What are epididymis and vas deferns?
40. What are functions of the growth substances present in the developing fruits?
41. What are identical twins?
42. What are long-day plants?
43. What are Oviparous, Viviparous and Ovoviviparous animals?
44. What are phytochromes?
45. What are seminiferous tubules?
46. What are sertoli cells?
47. What are short-day plants?
48. What are spermatocytes and spermatids?
49. What are the kinds of “alternation of generations” in plants?
50. What are the various methods of asexual reproduction in plants?
51. What are the various ways of asexual reproduction in animals?
52. What are viviparous?
53. What common methods of asexual reproduction in animals?
54. What do you mean by Hermaphrodites?
55. What hormone induces vernalisation?
56. What is a hermaphrodite animal? Quote examples?
57. What is after birth?
58. What is asexual reproduction?
59. What is climatric and what is its importance?
60. What is Cloning?
61. What is Diplohaplontic life cycle?
62. What is diploid parthenogenesis?
63. What is external genitalia in human male?
64. What is fertilization?
65. What is florigen?
66. What is follicle atresia?
67. What is fruit set?
68. What is haploid parthenogensis?
69. What is importance of vernalization in agriculture?
70. What is menstrual cycle?
71. What is ovoviviparous condition?
72. What is ovulation?
73. What is parthenocarpy?
74. What is parthenocarpy? How do parthenocarpic fruits differ from normal fruits? Quote examples of such fruits?
75. What is photomorphogenesis?
76. What is phytochrome in plant cells? What are its interconvertible forms?
77. What is reproduction?
78. What is seed dormancy? Give its importance.
79. What is sexual reproduction?
80. What is Testosterone?
81. What is the critical day length period in a long day plant, henbane?
82. What is the critical day length period in a short-day plant, cocklebur?
83. What is the duration of low temperature for vernalistion?
84. What is the function of germinating pollen grain?
85. What is the importance of photoperiodism and veralization?
86. What is the parthenocarpy due to in plants?
87. What is the role of interstitial cells in sperm production?
88. What is the role of phytochromic in flowering in long-day and in short-day plants?
89. What is the role of placenta in human?
90. What is the structure and function of corpus luteum?
91. What is Tissue culturing technique?
92. Which are fraternal twins or triplets?
93. Which method of reproduction is primitive asexual sexual?
94. Who studied photoperiodism for the first time and when?
95. Why Garner and Allard are famous for?
96. Write down at least two important measures to prevent AIDS.
Long Questions
1. Compare asexual reproduction with sexual reproduction. Give a comprehensive comparison between asexual and sexual reproduction.
2. Define vernalization? Discuss its importance in plants.
3. Describe human male reproductive cycle.
4. Describe sexually transmitted diseases in human being.
5. Describe the photoperiodism and classify the plants according to photoperiodic requirements for flowering.
6. Describe the reproductive system of human female. Describe human female reproductive system.
7. Describe the reproductive system of male.
8. Discuss human female reproductive system.
9. Discuss the process of birth in human female.
10. Explain reproductive or menstrual cycle of human female. Describe the steps of menstrual cycle in human female.
11. Explain the process of birth in human beings. Describe the birth in man.
12. Explain the role of phytochrome in photoperiodism. Define and explain photoperiodism.
13. Explain the role of phytochromes in photoperiodism.
14. Give a comprehensive comparison between sexual and asexual reproduction.
15. Give an account of Sexually Transmitted Diseases in man. Explain Sexually Transmitted Diseases with the help of examples. Explain Sexually Transmitted Diseases in humans.
16. What are main functions of placenta during pregnancy?
17. What is cloning? Give its advantage and disadvantages.
18. Write a note on test tube babies.
19. Write a note on test tube baby and identical twins.
20. Write brief Note on Photoperiodism.