Please refer to Assignments Class 11 Biology Morphology of Flowering Plants Chapter 5 with solved questions and answers. We have provided Class 11 Biology Assignments for all chapters on our website. These problems and solutions for Chapter 5 Morphology of Flowering Plants 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.
Morphology of Flowering Plants Assignments Class 11 Biology
Question. Arrangement of flowers on the floral axis is termed as inflorescence. Regarding to inflorescence which of the following statement is not correct
(a) In racemose ? main axis is continues to grow
(b) In cymose ? main axis terminates into flower
(c) In racemose ? flowers are in basipetal succession
(d) In cymose ?growth of main axis is limited
Answer
C
Question. Match the following
| (a) Epiphyllous stamen | (i) Citrus |
| (b) Monoadelphous stamen | (ii) Pea |
| (c) Diadelphous stamen | (iii) Chinarose |
| (d) Polyadelphous stamen | (iv) Lily |
(a) a(ii), b(i), c(iii), d(iv)
(b) a(i), b(ii), c(iii), d(iv)
(c) a(iv), b(iii), c(i), d(ii)
(d) a(iv), b(iii), c(ii), d(i)
Answer
D
Question. About leaf which of the following statement is not correct ?
(a) Axillary buds are present in axil of leaflets
(b) In pinnately compound leaf leaflets are present on rachis, which represents the midrib
(c) In palmately compound leaf, leaflets are attached at a common point, it is tip of the petiole
(d) In compound leaf incisions of lamina reach upto the mid rib, breaking it into number of leaflets
Answer
A
Question. Find out the wrong match
(a) Actinomorphic ? Datura
(b) Radial symmetry ? Mustard
(c) Zygomorphic ? Bean
(d) Bilateral Symmetry ? Chilli
Answer
D
Question. Regarding to conversion of Axillary bud into tendril, which of the following is odd
(a) Cucumber
(b) Pumpkins
(c) Watermelon
(d) Bougainvillea
Answer
D
Question. If the leaf lets are attached at the tip of petiole, leaf is called :-
(a) Pinnate compound leaf
(b) Palmate compound leaf
(c) Simple leaf
(d) Unipinnate leaf
Answer
B
Question. Inflorescence in members of papilionatae is
(a) Racemose
(b) Cymose
(c) Cyathium
(d) Hypanthodium
Answer
A
Question. Regarding phyllotaxy which of the following is odd
(a) China rose
(b) Mustard
(c) Sunflower
(d) Alstonia
Answer
D
Question. In old classifications family leguminosae was classified into of three subfamilies. Which of the subfamily of leguminosae is now considered as Fabaceae
(a) Papilionatae
(b) Caesalpinoidae
(c) Mimosoidae
(d) Compositae
Answer
A
Question. Colchicine a mitotic poison can be obtained from a plant of
(a) Brassicaceae
(b) Fabaceae
(c) Solanaceae
(d) Liliaceae
Answer
D
Question. Sesbania belongs to
(a) Liliaceae
(b) Fabaceae
(c) Solanaceae
(d) Cruciferae
Answer
B
Question. In flower, different whorls arranged successively on the swollen end of the pedicel, that swollen end is called :-
(a) Thalamus
(b) Calyx
(c) Peduncle
(d) Corolla
Answer
A
Question. Regarding to adventitious roots find out the odd one
(a) Grasses
(b) Monstera
(c) Banyan
(d) Mustard
Answer
D
Question. A lateral branch with short internodes and each node bearing a rosette of leaves and a tuft of roots is found in
(a) Ginger
(b) Banana
(c) Eichhornia
(d) Potato
Answer
C
Question. Ovary is superior in
(a) Rose
(b) Mustard
(c) Peach
(d) Guava
Answer
B
Question. Fleshy cylindrical photosynthetic stem is found in
(a) Opuntia
(b) Euphorbia
(c) Bougainvillea
(d) Cuscuta
Answer
B
Question. In which of the following plant flower can not be divided into two similar halves by any vertical plane
(a) Mustard
(b) Cassia
(c) Canna
(d) Datura
Answer
C
