CHAPTER 7:- PLANT GROWTH AND MINERAL NUTRITION
QUESTION SET FOR
PRACTICE
TOPIC:-PLANT GROWTH
1)
What is growth?
2)
What is the primary region of growth?
3)
What is the nature of growth in non-living things?
4)
What do you mean by intrinsic growth?
5)
What are the different aspects of plant growth?
6)
What is dormancy?
7)
What is the different reason of dormancy?
8)
What is scarification?
9)
What is stratification?
10)
How germination inhibitors are removed?
11)
Name the hormones which can be used to break dormancy?
12)
Which is the first step in plant growth?
13)
What is seed germination?
14)
What is role of water in germination?
15)
What is the rate of radical and plumule? Get during germination?
16)
What are the various types of germination?
17)
What is quiescence?
18)
What are the types of growth?
19)
Which is the special type of germination?
20)
What is hypogeal germination?
21)
Which part shows elongation in hypogeal germination?
22)
What are the examples of hypogeal germination?
23)
Which dicot seed shows hypogeal germination?
24)
Name the monocots which show hypogeal germination?
25)
What is epigeal germination?
26)
Which part elongates during epigeal germination?
27)
What is the fate of cotyledons during epigeal germination?
28)
Give examples of epigeal germination?
29)
Name the different external factor which affects germination?
30)
Name the different internal factor which affects germination?
31)
What is viviparous germination?
32)
Which type of plants show viviparous germination?
33)
Explain the soil conditions of halophytes?
34)
What are the various changes observed in viviparous germination?
35)
What are the examples of viviparous germination?
36)
Which factors show permanent change during germination?
37)
How growth takes place?
38)
What type of growth is found in vegetative and reproductive parts of plant?
39)
What do you mean by localized growth?
40)
What are meristems?
41)
What are the characters of meristems cells?
42)
What is the property of meristem cells?
43)
Enlist different phases of growth sequence.
44)
Which is the first phase of growth?
45)
Which type of division is shown by meristem cells?
46)
What are the two parts of cell division?
47)
Which is the second phase of growth?
48)
How cell enlargement takes place?
49)
What is apposition?
50)
What is intussusception?
51)
Which hormone bring about plasticization of cell wall?
52)
What is the resultant of enlargement of cell?
53)
Which is the final phase of growth?
54)
What type of tissues develop after differentiation?
55)
What is dedifferentiation?
56) Which tissues are produced by
de-differentiation?
57)
What is re-differentiation?
58)
What is grand period of growth (GPG)?
59)
Who coined the term GPG?
60)
What is growth rate in formative phase, elongation phase and maturation phase?
61)
What are the various factors which effect growth?
62)
What is role of water in growth?
63)
How nutrient play role in growth?
64)
Which type of growth curve?
65)
Which type of growth curve?
66)
Why the growth curve is s-shaped in plant?
67)
What are the different phases of growth curve in sequences?
68)
What are the feature of lag phase?
69)
Which phase of cell division lag phase corresponds?
70)
Which is the rapid growth phase is growth curve?
71)
Which phase of cell division log phase corresponds?
72)
What is the feature of steady phase?
73)
What is growth rate?
74)
What are the different ways to produce new cell?
75) What is the feature of arithmetic growth?
76)
What is the feature of geometric growth?
77)
How will you express exponential growth as sigmoid growth?
78)
Measurement and comparison of factor growth per unit time is call as……………
79)
What is development? What are various intrinsic and extrinsic factor affecting
development?
80)
What are hormone? Name the plant part which secrets hormone?
81)
Enlist different Hormones synthesize by plant?
82)
Which is the most common type of plat hormone auto use auxin term for the first
time?
83)
What is the chemical nature of auxin?
84)
Which plant was use by F.W. far his experiment?
85)
Which chemical was isolated from avena sativa?
86)
Who coined the term auxin?
87) Which is the first gibberellin discovered?
88)
What is bolting?
89)
Give an examples of commercial use of bathing?
90)
How commercial value of leafy vegetables can be increased?
91)
Which variety if grapes is developed using gibberellins
92)
Which two external factors causing dormancy can be overcome by gibberellins treatment?
93)
Which external condition gibberellins can be used as substitute?
94)
In which plans gibberellins can initiates flowering?
95)
How gibberellins promote germinations in monocots
96)
What are cytokinins?
97)
Who discovered cytokinin?
98)
Name the experimental material used in discovery of cytokinins.
99)
What are precursors of cytokinin?
100)
Name the plant parts in which cytokinin synthesized?
101)
which sense of cytokinin
102)
what is the role of cytokinin in tissue culture?
103)
What is rhizogenesis?
104)
what is caulogenesis?
105)
what is effect of cytokinin in plant in the presence of light?
106)
What is sequences?
107)
How cytokinin delays senescence?
108)
What is Richmond long effect?
109)
Which Harmon brings about as plays major role in secondary growth?
110)
which is the only gaseous hormones used by plant?
111)
what are the physical properties of ethylene?
112)
Who reported that ethylene bring about ripening of fruits?
113)
What the major sites of ethylene production?
114)
What is the precursors for synthesis of ethylene?
115)
why ethylene is called as secondary hormones
116)
Name the plants in which ethylene promotes flowering?
117) What is the effect at CO2 concentration
ethylene?
118)
What is climacteric rise/
119)
What is Epinasty?
120)
Which is the naturally occurring growth inhibitor?
121)
What are examples of dormin?
122)
Which hormone is known as stress hormone?
123)
Which ABA is called anti-gibberellin hormone?
125)
What type of movement is shown by ABA?
126)
In which plant ABA promotes flowering?
127)
How ABA reduces rate of transpiration?
128)
What is photoperiodism?
129)
Who discovered photoperiodism?
130)
Name the plants studied by Garner and Allard?
131)
What is critical photoperiod?
132)
What are the three types of plant on the basis of photoperiod?
133)
What are the three basic condition for flowering?
134)
What are short day plant?
135)
What in this requirement of light?
136)
Why short day plant are called as long night plant?
137)
What are the different examples of short day plants?
138)
What are long day plant?
139)
Why long day plants are call as SNP?
140)
What are the examples of LDP?
141)
What are day neutral plant?
142)
What are the examples of day neutral plants?
143)
What is florigen?
144)
Who coined the term florigen?
145)
What is the role at light?
146)
What are phytochromes?
147)
What are two clauses of blue light receptors?
148)
What is skotomorphogeneis?
149)
What is photomorphogenesis?
150)
What is etiolation?
151)
Which types of wavelength can induce photomorphogenesis?
152)
What are the types of phytochromes?
153)
What type of light is absorbed by phytochromes?
154)
Who for the first time identified the effect of low temperature on flowering?
155)
Who coined the term vernalization?
156)
What is the physiological effect of vernalization?
157)
Define vernalization as Yarovization?
158)
What is the suitable temp condition far vernalization?
159)
At Which stage of plant body vernalization will be effective?
160)
Who developed method of vernalization?
161)
What is devernalization?
162)
What temperature is required for devernalization?
163)
What is vernalin?
164)
Who suggested presence of vernalin?
165)
How vernalization plays rate in resistivity of plant/
166)
What is thermo induction?
167)
Name the factor which control vernalization?
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