Please refer to Assignments Class 11 Biology Plant Growth And Development Chapter 15 with solved questions and answers. We have provided Class 11 Biology Assignments for all chapters on our website. These problems and solutions for Chapter 15 Plant Growth And Development Class 11 Biology have been prepared as per the latest syllabus and books issued for the current academic year. Learn these solved important questions to get more marks in your class tests and examinations.
Plant Growth And Development Assignments Class 11 Biology
Question. Which of the following is not a biennial plant?
(a) Barley
(b) Sugarbeet
(c) Cabbages
(d) Carrots
Answer
A
Question. Cells with increased vacuolation, cell enlargement and new cell wall deposition are the characteristic features of which phase of growth ?
(a) Meristematic phase
(b) Elongation phase
(c) Maturation phase
(d) Differentiation phase
Answer
B
Question. Math the following :
| (A) Human urine | (i) Ethylene |
| (B) Coconut milk | (ii) GA3 |
| (C) Ripened oranges | (iii) Auxin |
| (D) Gibberella fujikuroi | (iv) Cytokinin |
(a) A – iii, B – iv, C – i, D – ii
(b) A – i, B – ii, C – iii, D – iv
(c) A – iv, B – iii, C – ii, D – i
(d) A – ii, B – i, C – iv, D – iii
Answer
A
Question. Parenchyma cells that are made to divide under controlled laboratory conditions during plant tissue culture, represents :
(a) Differentiation
(b) Dedifferentiation
(c) Redifferentiation
(d) Undifferentiated mass of cells
Answer
B
Question. In plants, cells/tissues arising out of the same meristem have different structures at maturity, this statement shows that plants have :
(a) Open indeterminate growth
(b) Open determinate growth
(c) Open differentiation
(d) Capacity of dedifferentiation
Answer
C
Question. Plants, in which there is no correlation between exposure to light duration and induction of flowering response, are called :
(a) Day – neutral plants
(b) Long day plants
(c) Short day plants
(d) Monocarpic plants
Answer
A
