Q2.
Growth of living being is/are-
Q3.
Swelling of piece of wood when placed in water is
Q5.
The given figure shows-
Q6.
Plant grows throughout the life due to-
Q7.
Open form of growth involves
A) Continuous division in all cells forming new set of cells which divide further necessarily.
B) Division in some cells forming new set of cells which do not divide further necessarily
C) No division at all
D) Division in some cells at the time of injury which forms new set of cells to heal the injury
Q8.
Secondary growth does occur in-
Q9.
Secondary growth does not mean-
Q10.
Choose the correct label-
| (i) | (ii) | (iii) |
|---|
| A Shoot apical meristem | Root apical meristem | Vascular cambium |
| B Root apical meristem | Shoot apical meristem | Vascular cambium |
| C Shoot parenchyma | Root parenchyma | Vascular bundle |
| D Root parenchyma | Shoot parenchyma | Vascular bundle |
Q11.
Growth can be measured by measuring increase in –
Q12.
Match the column in respect with the measurement growth-
| Column I | Column II |
|---|
| a Maize | i Length |
| b Watermelon | ii Surface area |
| c Pollen tube | iii Cell number |
| d Dorsiventral leaf | iv Cell size |
A) a-iii, b-iv, c-i, d-ii
B) a-iii, b-ii, c-i, d-iv
C) a-iv, b-iii, c-i, d-ii
D) a-i, b-ii, c-iv, d-iii
Q13.
The three phases of growth in correct order is-
Q14.
Cells in meristematic phase of growth-
Q15.
The phase of maturation lies-
Q16.
Increased vacuolation is a characteristics of –
Q17.
Thickest cell wall present in –
Q18.
Increased growth per unit time is called
Q19.
Identify the given figure
Q20.
Identify the given figures
Q21.
Choose the correct option with respect to given figures of stages of embryo development
Q22.
Choose the correct set of option for size or weight of organ against time
(i) W1 = Wo ert
(ii) Lt = Lo + rt
(iii) Linear growth curve
(iv) Sigmoid growth curve
(v) Arithmetic growth
(vi) Geometric growth
A) (i), (iii), (iv)
B) (ii), (iii), (vi)
C) (i), (iv), (vi)
D) (ii), (iv), (v)
Q23.
The three phases of sigmoid growth occur in order are –
Q24.
In the formula W1 = Wo ert , r is –
Q25.
choose the correct option –
Q26.
The factors affecting growth can be –
Q27.
During differentiation
Q28.
Dedifferentiation can be seen in formation of–
Q29.
Read the following statements –
(i) Cork cambium is a layer of meristem formed from parenchyma cells
(ii) Intrafascicular cambium is a layer of parenchyma cells formed from meristem
(iii) Vascular cambium divide and produce cells that differentiate again
(iv) Plant growth can be determinate or indeterminate
(v) Final structure of cells are never determined by location of cells
(vi) The differentiation in plant cells are closed and dependent on position
How many of the above statements are correct?
Q30.
identify the correct labels –
Q31.
Plasticity can be seen in –
Q32.
Environmental heterophylly can be seen in –
Q33.
The given figure show –
Q34.
The figure shows sequence of the development process in
Q35.
The given figure show –
Q36.
Intrinsic factors responsible for growth & development include –
Q38.
An example of adenine derivative PGR
Q39.
Gibberellic acid is –
Q43.
The PGRs that play important role in plant responses to wounds are –
Q44.
PGR Ethylene can fit into –
Q45.
Discovery of how many out of 5 major PGRs was accidental?
Q46.
Match the scientist with the plant they worked on –
| Column I | Column II |
|---|
| a F.W.Went | i Canary grass |
| b E. Kurosawa | ii Avena(oat) |
| c Charles & Francis Darwin | iii Tobacco |
| d F.S koog | iv Rice |
A) a-iv, b-ii, c-iii, d-i
B) a-iii, b-i, c-ii, d-iv
C) a-ii, b-iv, c-i, d-iii
D) a-i, b-iii, c-iv, d-ii
Q47.
Cousins confirmed the release of a volatile substance _(i)_, from ripened _(ii)_ that hastened the ripening of stored unripe _(iii)_.