CBSE Class 11 Biology Morphology of Flowering Plants Worksheet

Read and download free pdf of CBSE Class 11 Biology Morphology of Flowering Plants Worksheet. Students and teachers of Class 11 Biology can get free printable Worksheets for Class 11 Biology Chapter 5 Morphology of Flowering Plants in PDF format prepared as per the latest syllabus and examination pattern in your schools. Class 11 students should practice questions and answers given here for Biology in Class 11 which will help them to improve your knowledge of all important chapters and its topics. Students should also download free pdf of Class 11 Biology Worksheets prepared by school teachers as per the latest NCERT, CBSE, KVS books and syllabus issued this academic year and solve important problems with solutions on daily basis to get more score in school exams and tests

Worksheet for Class 11 Biology Chapter 5 Morphology of Flowering Plants

Class 11 Biology students should refer to the following printable worksheet in Pdf for Chapter 5 Morphology of Flowering Plants in Class 11. This test paper with questions and answers for Class 11 will be very useful for exams and help you to score good marks

Class 11 Biology Worksheet for Chapter 5 Morphology of Flowering Plants

MULTIPLE CHOICE QUESTIONS

Question. Inflorescence of Ficus is 
(a) spike
(b) hypanthodium
(c) raceme
(d) verticillaster
Answer. B

Question. If the anthers are fused together forming a tubular structure while the filaments remain free,the condition is found in which one of the following family? 
(a) Malvaceae
(b) Cucurbitaceae
(c) Solanaceae
(d) Asteraceae
Answer. D

Question. Floral diagram fails to indicate 
(a) epiphylly and epipetaly
(b) aestivation and placentation
(c) position of ovary on the thalamus
(d) cohesion of carpels and stamens
Answer. C

Question. The desert plants in order to tolerate water stress show 
(a) sunken stomata
(b) reduced leaves
(c) well developed root system
(d) all of these
Answer. D

Question. The edible part of cauliflower is 
(a) inflorescence
(b) leaf
(c) flower
(d) stem
Answer. A

Question. Clove is 
(a) flower bud
(b) axillary bud
(c) thalamus
(d) ovule
Answer. A

Question. In which family (9) + 1 androecium condition is found ?
(a) Malvaceae
(b) Papilionaceae
(c) Solanaceae
(d) Poaceae
Answer. B

Question. Which of following type of anther is found in Malvaceae?
(a) Monothecous
(b) Dithecous
(c) Polythecous
(d) Without thecous
Answer. A

Question. Potato and sweet potato
(a) have edible parts which are homologous organs.
(b) have edible parts which are analogous organs.
(c) have been introduced in India from the same place.
(d) are two species of the same genus.
Answer. B

Question. The sugarcane plant has 
(a) dumb-bell shaped guard cells
(b) pentamerous flowers
(c) reticulate venation
(d) capsular fruits
Answer. A

Question. The family containing mustard and its main characters are 
(a) Brassicaceae - Tetramerous flowers, six stamens, bicarpellary gynoecium, siliqua type fruit
(b) Brassicaceae - Pentamerous flowers, many stamens, pentacarpellary gynoecium, capsule type fruit
(c) Solanaceae - Pentamerous flowers, five stamens, bicarpellary gynoecium, berry type fruit
(d) Poaceae - Trimerous flowers, three stamens, monocarpellary gynoecium, caryopsis type of fruit
Answer. A

Question. A mature ligule, having a prominent basal portion, is called 
(a) glossopodium
(b) rhizophore
(c) trichome
(d) None of these
Answer. A

Question. Velamen present in orchids help in
(a) absorbing water from support
(b) respiration
(c) absorption of moisture from air
(d) synthesizing food
Answer. C

Question. Seeds are adaptively important because 
1. they maintain dormancy
2. they protect young plants during vulnerable stages
3. they store food for young plants, and facilitate dispersal

(a) 1 and 3
(b) 2 and 3
(c) 1 and 2
(d) All of these
Answer. D

Question. Composite fruit develops from 
(a) single ovary
(b) inflorescence
(c) apocarpous ovary
(d) pericarp
Answer. B

Question. Of the following, which instrument is most commonly used to observe the external features of a grasshopper's abdomen?
(a) Ultracentrifuge
(b) Microdissection instrument
(c) Dissecting microscope
(d) Electron microscope
Answer. C

Question. In a bisexual flower, if androecium and gynoecium mature at different times, the phenomenon is known as a 
(a) dichogamy
(b) herkogamy
(c) heterogamy
(d) monogamy
Answer. A

Question. Prickles of rose are
(a) Modified leaves
(b) Modified stipules
(c) Exogenous in origin
(d) Endogenous in origin
Answer. C

Question. Which of the following are not 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. Which one of the following is correctly matched? 
(a) Onion – Bulb
(b) Ginger – Sucker
(c) Chlamydomonas – Conidia
(d) Yeast – Zoospores
Answer. A

Question. Read the following statements.
(i) Gynoecium is situated in the centre and other parts of the flower are located on the rim of the thalamus almost at the same level.
(ii) Ovary is half-inferior.
(iii) Examples are plum, rose and peach.
Which condition of flowers is being described by the above statements ? 
(a) Hypogyny
(b) Perigyny
(c) Epigyny
(d) None of these
Answer. B

Question. Which one of the option is correct?
CBSE Class 11 Biology Morphology of Flowering Plants

(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
Answer. B 

ASSERTION REASON QUESTIONS

Directions : These questions consist of two statements, each printed as Assertion and Reason. While answering these questions, you are required to choose any one of the following five responses.
(a) If both Assertion and Reason are correct and the Reason is a correct explanation of the Assertion.
(b) If both Assertion and Reason are correct but Reason is not a correct explanation of the Assertion.
(c) If the Assertion is correct but Reason is incorrect.
(d) If both the Assertion and Reason are incorrect.
(e) If the Assertion is incorrect but the Reason is correct.

Question. Assertion : In hemianatropous ovule, the funicle lies parallel to body of ovule.
Reason : Here, body of ovule is rotated by 90°.
Answer. E

Question. Assertion : Many plants are propagated vegetatively even though they bear seeds.
Reason : Potatoes multiply by tubers, apple by cutting etc.
Answer. C

Question. Assertion : Ginger has a prostrate growing rhizome.
Reason : Shoot growth is not effected by gravity.
Answer. B

 

CLASS XI MORPHOLOGY IN FLOWERING PLANTS WORKSHEET- 6

1 Name the part of Opuntia, modified to form spines.
2 How are pneumatophores helpful to plants?
3 Identify the edible part of mango fruit.
4 State the main function of leaf tendril.
5 Give the floral formula of Clitoria.
6 Write the function of endosperm.
7 Which type of venation is present in a dicot leaf?
8  Name the cotyledon of monocots.
9  Flower is a modified shoot. Justify.
10 Name the type of root of the following:
a) Pillar like roots for giving mechanical support.
b) Roots coming out of lower branches that give support.
11 Give the technical term for the following:
a) The flat expanded portion of a leaf.
b) Orderly arrangement of leaves on the nodes
c) Lateral appendages on either side of the leaf.
12 Briefly describe different types of phyllotaxy with examples.
13 Which are the three types of flowers based on the position of ovary?
14 Explain different types of aestivation with the support of diagram and examples.
15 What is placentation? Which are the different types of placentation?
16 Differentiate between the following. Give examples wherever necessary:
a) Tendrils of pea and grapevine.
b) Racemose inflorescence and cymose inflorescence.
c) Pinnately compound and palmately compound leaves.
d) Actinomorphic and zygomorphic flowers.
e) Gamopetalous and polypetalous flowers.

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