In This Post we are providing Chapter-2 Morphology of Flowering Plants NCERT MCQ for Class 11 Biology which will be beneficial for students. These solutions are updated according to 2021-22 syllabus. These MCQS can be really helpful in the preparation of Board exams and will provide you with a brief knowledge of the chapter.
NCERT MCQ ON MORPHOOGY OF FLOWERING PLANTS
Question 1.
In tamarind, the pinnate leaf is
(a) bipinnate
(b) tripinnate
(c) paripinnate
(d) imparipinnate
Answer: (a) bipinnate
Question 2.
Artabotrys is a hook climber in which the hooks are modified
(a) inflorescence axis
(b) petiole
(c) roots
(d) stipules
Answer: (a) inflorescence axis
Question 3.
Exceptional roots of Cuscuta are
(a) haustorial
(b) coralloid
(c) mycorrhizal
(d) all of the above
Answer: (a) haustorial
Question 4.
The petiole is swollen and spongy in
(a) Nepenthes
(b) Trapa
(c) Clematis
(d) all of the above
Answer: (b) Trapa
Question 5.
Which one of the following plants dose not have root – pockets
(a) Pistia
(b) Lemma
(c) Ficus
(d) Eichhornia
Answer: (c) Ficus
Question 6.
The largest petal overlaps the lateral ones in _________ aestivation.
(a) Papilionaceous
(b) Valvate
(c) Twisted
(d) Imbricate
Answer: (a) Papilionaceous
Explanation:
In pea and bean flowers, there are five petals, the largest overlaps the two lateral petals which in turn overlaps the two smallest anterior petals. This is called Vexillary or papilionaceous aestivation.
Question 7.
In Lathyrus, the leaves are modified into
(a) thorns
(b) cladodes
(c) tendrils
(d) spines
Answer: (c) tendrils
Question 8.
Label the parts of a monocot seed.
(a) A.Endosperm, B. Scutellum, C. Radicle, D. Coleoptile, E. Plumule
(b) A.Endosperm, B. Coleoptile, C. Scutellum, D. Radicle, E. Plumule
(c) A.Endosperm, B. Scutellum, C. Coleoptile, D. Radicle, E. Plumule
(d) A.Endosperm, B. Scutellum, C. Coleoptile, D. Plumule, E. Radicle
Answer: (d) A.Endosperm, B. Scutellum, C. Coleoptile, D. Plumule, E. Radicle
Explanation:
Question 9.
Potato tuber is an underground stem because
(a) it lacks chlorophyll
(b) it is swollen
(c) it possesses axillary buds
(d) it stores starch as reserve food material
Answer: (c) it possesses axillary buds
Question 10.
Floating roots are characteristic of
(a) Tinospora
(b) Jussiaea
(c) Viscum
(d) Vanda
Answer: (b) Jussiaea
Question 11.
Thorns and spines are
(a) homologous organs
(b) analogous organs
(c) thorn is homologous while spine is analogous
(d) spine is homologous while is analogous
Answer: (d) A
Question 12.
Which of the following picture shows fibrous root system?
Answer: (d)
Question 13.
In which of the following plants stems do not store the food material
(a) potato
(b) ginger
(c) onion
(d) colocasia
Answer: (c) onion
Question 14.
In banana, the stem is
(a) underground only
(b) both underground and aerial
(c) absent
(d) aerial only
Answer: (a) underground only
Question 15.
Stem modified to perform the function of a leaf and having many internodes is called as
(a) phylloclade
(b) cladode
(c) offset
(d) phyllode
Answer: (a) phylloclade
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