Please refer to Morphology of Flowering Plants Class 11 Biology Important Questions with answers below. These solved questions for Chapter 5 Morphology of Flowering Plants in NCERT Book for Class 11 Biology have been prepared based on the latest syllabus and examination guidelines issued by CBSE, NCERT, and KVS. Students should learn these solved problems properly as these will help them to get better marks in your class tests and examinations. You will also be able to understand how to write answers properly. Revise these questions and answers regularly. We have provided Notes for Class 11 Biology for all chapters in your textbooks.

Important Questions Class 11 Biology Chapter 5 Morphology of Flowering Plants

Objective Type Questions

Question. In castor, the food storing tissue is
(a) Cotyledon
(b) Endosperm
(c) Testa
(d) Tegmen

Question. Find out the false statement
(a) IN dicotyledonous seeds, cotyledons are often fleshy and full of reserve food
(b) Generally, monocotyledonous seeds are endospermic
(c) Generally, dicotyledonous seeds have fleshy cotyledons
(d) Most of the monocotyledonous seeds is non-endospermic

Question. Maize grain is a
(a) Seed
(b) Fruit
(c) Flower
(d) Inflorescence

Question. The structure coleorhiza in a maize grain is the covering of
(a) Radicle
(b) Plumule
(c) Scutellum
(d) Prophyll

Question. Scutellum is first leaf of
(a) Monocot
(b) Dicot
(c) gymnosperms
(d) Pteridophytes

Question. In floral formula, (C) denotes
(a) Polysepalous
(c) Polypetalous
(b) Gamosepalous
(d) Gamopetalous

Question. To which family does pulse belong?
(a) Gramineae
(b) Solanaceae
(c) Liliaceae
(d) Leguminosae

Question. Which of the following members of family Solanaceae is Fumigatory
(a) Chilli, petunia
(b) Tobacco
(c) Belladonna
(d) Tomato, brinjal, potato

Question. Which of the following is a medicinal plant
(a) Aloe
(b) Asparagus
(c) Colchium
(d) Tulip

Question. Thalamus is
(a) Base of flower
(b) Base of ovary
(c) Modification of pollen
(d) Modification of petal

Critical Thinking Type Questions

Question. Floral features are mainly used in angiosperms identification because
(a) flowers are of various colours.
(b) flowers can be safely pressed.
(c) reproductive parts are more stable and conservative than vegetative parts.
(d) flowers are good materials for identification.

Question. Fibrous root system is better adopted than tap root system for
(a) transport of organic matter.
(b) absorption of water and minerals.
(c) storage of food.
(d) anchorage of plant to soil.

Question. Rearrange the following zones seen in the regions of root tip and choose the correct option.
(A) Root hair zone
(B) Zone of meristems
(C) Root cap zone
(D) Zone of maturation
(E) Zone of elongation
(a) C, B, E, A, D
(b) A, B, C, D, E
(c) D, E, A, C, B
(d) E, D, C, B, A

Question. Most prominent function of inflorescence is
(a) dispersal of seeds.
(b) formation of more fruits.
(c) formation of pollen grains.
(d) dispersal of pollens.

Question. The mature seeds of plants such as gram and peas possess no endosperm because
(a) these plants are not angiosperms.
(b) there is no double fertilization in them.
(c) endosperm is not formed in them.
(d) endosperm gets used up by the developing embryo during seed development.

Question. Which of the following is correct with reference to floral character of the family solanaceae?
(a) Racemose, zygomorphic, unisexual, floral characters
(b) Racemose, zygomorphic, bisexual, polypetalous
(c) Axillary, bisexual, actinomorphic, epipetalous
(d) Axillary, actinomorphic, bisexual, epipetalous

Question. In flower (X), the gynoecium occupies the highest position while the other parts are situated below it. The ovary in such flowers is said to be Y. Identify X and Y and select the correct option.
X Y
(a) Epigynous Inferior
(b) Perigynous Superior
(c) Hypogynous Superior
(d) Perigynous Half-inferior

Question. How many plants in the list given below have marginal placentation?
Mustard, Gram, Tulip, Asparagus, Arhar, Sunhemp, Chilli, Colchicine, Onion, Moong, Pea, Tobacco, Lupin
(a) Four
(b) Five
(c) Six
(d) Three

Question. Which one of the following is correct explanation for the given floral formula ?

(a) Zygomorphic, bisexual, sepals five and gamosepalous, petals five and papilionaceous, anthers ten and monadelphous, ovary superior and monocarpellary.
(b) Zygomorphic, unisexual, sepals five and gamosepalous, petals five and polypetalous, anthers nine united and one free, ovary superior and monocarpellary.
(c) Zygomorphic, bisexual, sepals five and gamosepalous, petals five and papilionaceous, anthers ten and diadelphous, ovary superior and monocarpellary.
(d) Zygomorphic, bisexual, sepals five and united, petals five and united, anthers ten and diadelphous,
ovary superior and monocarpellary.

Question. The region of the root-tip whose cells undergo rapid elongation and enlargement and are responsible for the growth of the root in length is called the
(a) region of maturation.
(b) region of elongation.
(c) region of meristematic activity.
(d) root hairs.

Question. The X is small and situated in a groove at one end of the endosperm. It consists of one large and shield shaped cotyledon known as Y and a short axis with a plumule and a Z. Identify X, Y and Z.
X Y Z
(a) Scutellum Embryo Radicle
(b) Embryo Scutellum Radicle
(c) Scutellum Radicle Embryo
(d) Radicle Embryo Scutellum

Question. It is a proteinous layer and the outer covering of endosperm which separates the embryo. Identify the layer.
(a) Tegmen
(b) Scutellum
(c) Hyaline layer
(d) Aleurone layer

Diagram Type Questions

Question. The given figure shows the regions of root tip with labelling as A, B and C. Choose the option which shows the correct labelling of A, B and C.

(a) A – Zone of elongation, B – Zone of meiosis, C – Zone of mitosis.
(b) A – Zone of maturation, B – Zone of meristematic activity, C – Zone of elongation.
(c) A – Zone of mitosis, B – Zone of elongation, C – Zone of root cap.
(d) A – Region of maturation, B – Region of elongation, C – Zone of meristematic activity.

Question. Which of the following option shows the correct labelling of the parts of leaf marked as A, B, C and D.

	A	B	C	D
(a)	Lamina	Axillary bud	Stipule	Leaf base
(b)	Lamina	Stipule	Axillary bud	Leaf base
(c)	Lamina	Axillary bud	Stipule	Pedicel
(d)	Leaflet	Axillary bud	Stipule	Leaf base

Question. Identify the different types of aestivation (A, B, C and D) in corolla and select the correct option.

(a) A-Valvate, B-Twisted, C-Imbricate, D-Vexillary
(b) A-Vexillary, B-Valvate, C-Twisted, D-Imbricate
(c) A-Imbricate, B-Vexillary, C-Valvate, D-Twisted
(d) A-Twisted, B-Imbricate, C-Vexillary, D-Valvate

Question. The given figures (A & B) show two types of compound leaves. Choose the option which identity the correct compound leaf and their example (c).

(a) A – Pinnately compound leaf, C – Neem
(b) A – Palmately compound leaf, C – Neem
(c) B- Pinnately compound leaf, C – Silk cotton
(d) B- Palmately compound leaf, C – Silk cotton

Question. Which one of the following options shows the correct labelling of the structure marked as A, B, C & D?

	A	B	C	D
(a)	Gynoecium	Megasporophyll	Ovule	Thalamus
(b)	Gynoecium	Stamen	Seed	Thalamus
(c)	Microsporophyll	Stamen	Ovule	Thalamus
(d)	Gynoecium	Stamen	Ovule	Thalamus

Question. Which one of the options shows the correct labelling of the parts marked as A, B, C and D in a typical structure of dicotyledonous seeds ?

(a) A – Hilum, B – Micropyle, C – Radicle, D – Cotyledon, E – Plumule
(b) A – Hilum, B – Micropyle, C – Plumule, D – Cotyledon, E – Radicle
(c) A – Micropyle, B – Hilum, C – Plumule, D – Cotyledon, E – Radicle
(d) A – Hilum, B – Micropyle, C – Plumule, D – Radicle, E – Cotyledon

Question. Identify the correct families of the given plant species (A, B and C)

(a) A – Liliaceae, B – Compositae, C – Malvaceae
(b) A – Fabaceae, B – Solanaceae, C – Liliaceae
(c) A – Compositae, B – Malvaceae, C – Liliaceae
(d) A – Solanaceae, B – Fabaceae, C – Liliaceae

Question. The given figure shows the parts of flowering plant.
Which parts of the given figure were involved in the following functions:
(i) Storing reserve food material
(ii) Synthesis of plant growth regulators.
(iii) Absorption of water and minerals from the soil.
(iv) Providing a proper anchorage to the plant parts

(a) 5 and 6
(b) 1, 2 and 6
(c) 1, 2, 3 and 4
(d) 2, 4, 5 and 6