Exam Questions for Class 11 Biology Chapter 5 Morphology of Flowering Plants

Objective Type Questions

Question. At the two ends of the embryonalaxis _____ are present in dicot seeds
(a) The endosperm
(b) Coleorhiza and coleoptile
(c) Radicle and plumule
(d) Epicarp

Answer

C

Question. Which of the following is non-endospermous seed?
(a) Bean, gram,pea
(b) Coconut, cereals
(c) Both
(d) Groundnut

Answer

A

Question. Which of the following monocotyledonous seeds is non endospermic?
(a) Maize
(b) Coconut
(c) Orchid
(d) Wheat

Answer

C

Question. The aleuronelayer in maize grain is specially rich in
(a) Proteins
(b) Starch
(c) Lipids
(d) Auxins

Answer

A

Question. Plumule is covered by
(a) Root cap
(b) Coleorhiza
(c) Coleoptile
(d) Hypocotyl

Answer

C

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

Answer

B

Question. Trimerous flowers, superior ovary axileplacentation is characteristic of
(a) Liliaceae
(b) Papillionaceae
(c) Cucurbitaceae
(d) Solanaceae

Answer

A

Question. Neel is obtained from
(a) Crocus sativus
(b) Haematoxylon
(c) Indigoferatinctoria
(d) Aconitum heterophyllum

Answer

C

Question. Which of the following is monocot family
(a) Solanaceae
(b) Fabaceae
(c) Lilliaceae
(d) None

Answer

C

Question. A dot on the top of floral diagram indicates
(a) Stem
(b) Mother axis
(c) Father axis
(d) Floral parts

Answer

B

Critical Thinking Type Questions

Question. Aleurone layer helps in
(a) storage of food in endosperm.
(b) protection of embryo.
(c) utilization of stored food.
(d) all of the above.

Answer

C

Question. Main function of leaf is
(a) exchange of gases
(b) increase the beauty of a tree
(c) manufacturing of food
(d) nerve impulse induction

Answer

C

Question. Which is not a stem modification ?
(a) Rhizome of ginger
(b) Corm of Colocasia
(c) Pitcher of Nepenthes
(d) Tuber of potato

Answer

C

Question. The character of flower which is represented by floral formula but not by floral diagram is
(a) aestivation
(b) placentation
(c) position of gynoecium
(d) adhesion of stamen

Answer

C

Question. Seeds are regarded as products of sexual reproduction because they
(a) can be stored for a long time.
(b) are result of fusion of pollen tube.
(c) are result of fusion of gametes.
(d) give rise to new plants.

Answer

C

Question. Which of the following represents the floral characters of liliaceae?
(a) Six tepals, zygomorphic, six stamens, bilocular ovary, axile placentation.
(b) Actinomorphic, polyphyllous, unilocular ovary, axile placentation.
(c) Tricorpellary, actinomorphic, polyandrous, superior ovary, axile placentation.
(d) Bisexual, zygomorphic, gamophyllous, inferior ovary, marginal placentation.

Answer

C

Question. Which of the following is not the characteristic features of fabaceae?
(a) Tap root system, compound leaves and raceme inflorescence.
(b) Flowers actinomorphic, twisted aestivation and gamopetalous.
(c) Stamens 10, introrse, basifixed, dithecous.
(d) Monocarpellary, ovary superior and bent stigma.

Answer

B

Question. Ginger is an underground stem. It is distinguished from root because
(a) it lacks chlorophyll.
(b) it stores food.
(c) it has nodes and internodes.
(d) it has xylem and vessels.

Answer

C

Question.The main function(s) of root system is/are
(a) absorption of water and minerals from the soil
(b) storing reserve food material
(c) synthesis of plant growth regulators
(d) All of the above

Answer

D

Question. The region of the root-tip which is involved in the formation of root hairs by epidermal cells is called the
(a) region of maturation.
(b) region of meristematic activity.
(c) region of elongation.
(d) none of the above.

Answer

A

Question.”X” is the outermost whorl of the flower and contains “Y”. Y is green, leaf like and protect the other whorls of the flower.
Identify X and Y.
(a) X – Calyx; Y – Sepals
(b) X – Corolla; Y – Petals
(c) X – Gynoecium; Y – Fruit
(d) X – Androecium; Y – Ovary

Answer

A

Diagram Type Questions

Question. The given figures (A and B) show the modificaiton of roots.Which of the following statements regarding the figures is correct ?

Exam Questions for Class 11 Biology Chapter 5 Morphology of Flowering Plants

(a) Tap roots of carrot, turnip and adventitious root of sweet potato, get swollen and store food.
(b) Pneumatophores conducts water, minerals & photosynthesis
(c) Pneumatophore is found in the plants that grow in sandy soil.
(d) Turnip & carrot shows adventitious roots and sweet potato shows tap root.

Answer

A

Question. Identify the inflorescence shown by the given figures A and B.

Exam Questions for Class 11 Biology Chapter 5 Morphology of Flowering Plants

(a) A-Cymose, B-Racemose
(b) A-Racemose, B-Cymose
(c) A-Racemose, B-Racemose
(d) A-Cymose, B-Cymose

Answer

B

Question. Given figures (A, B and C) show the position of floral parts on thalamus. (given as I, II and III) Select the correct combination.

Exam Questions for Class 11 Biology Chapter 5 Morphology of Flowering Plants

I. Hypogynous flower II. Perigynous flower
III. Epigynous flower
(a) A-I, B-II, C-III
(b) A-I, B-III, C-II
(c) A-III, B-II, C-I
(d) A-III, B-I, C-II

Answer

A

Question. Identify the kind of phyllotaxy shown in the given figures A, B, and C.

Exam Questions for Class 11 Biology Chapter 5 Morphology of Flowering Plants

(a) A-Alternate, B – Opposite, C – Whorled
(b) A- Whorled, B – Opposite, C -Alternate
(c) A-Alternate, B – Whorled, C – Opposite
(d) A-Whorled, B -Alternate, C – Opposite

Answer

A

Question. The given figure shows the parts of mango and coconut.
Choose the option which shows the correct labelling of A, B, C and D marked in the figures.

Exam Questions for Class 11 Biology Chapter 5 Morphology of Flowering Plants
ABCD
(a)Epicarp,Mesocarp,Seed,Endocarp
(b)Epicarp,Mesocarp,Ovule,Endocarp
(c)Epicarp,Mesocarp,Ovary,Endocarp
(d)Epicarp,Mesocarp,Embryo,Endocarp
Answer

A

Question. The given figure shows a typical structure of monocotyledonous seeds. Identify the parts A, B, C, D
and E marked in the given figures.

Exam Questions for Class 11 Biology Chapter 5 Morphology of Flowering Plants

(a) A – Endosperm, B – Embryo, C – Scutellum, D – Coleorhiza, E – Coleoptile
(b) A- Embryo, B – Endosperm, C – Scutellum, D – Coleoptile, E – Coleorhiza
(c) A – Endosperm, B – Embryo, C – Scutellum, D – Coleoptile, E – Coleorhiza
(d) A – Embryo, B – Endosperm, C – Scutellum, D – Coleorhiza, E – Coleoptile

Answer

C

Question. The given figure (A, B, and C) shows different types of roots. Identify the root which is seen in wheat plant and originate from the base of the stem?

Exam Questions for Class 11 Biology Chapter 5 Morphology of Flowering Plants
Exam Questions for Class 11 Biology Chapter 5 Morphology of Flowering Plants

(a) A
(b) B
(c) C
(d) Both A and B

Answer

B

Exam Questions for Class 11 Biology Chapter 5 Morphology of Flowering Plants

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