Read and download free pdf of CBSE Class 11 Biology Anatomy of Flowering Plants Worksheet Set A. Download printable Biology Class 11 Worksheets in pdf format, CBSE Class 11 Biology Chapter 6 Anatomy of Flowering Plants Worksheet has been prepared as per the latest syllabus and exam pattern issued by CBSE, NCERT and KVS. Also download free pdf Biology Class 11 Assignments and practice them daily to get better marks in tests and exams for Class 11. Free chapter wise worksheets with answers have been designed by Class 11 teachers as per latest examination pattern
Chapter 6 Anatomy of Flowering Plants Biology Worksheet for Class 11
Class 11 Biology students should refer to the following printable worksheet in Pdf in Class 11. This test paper with questions and solutions for Class 11 Biology will be very useful for tests and exams and help you to score better marks
Class 11 Biology Chapter 6 Anatomy of Flowering Plants Worksheet Pdf
MULTIPLE CHOICE QUESTIONS
Question. The quiescent centre in root meristem serves as a
(a) site for storage of food which is utilized during maturation.
(b) reservoir of growth hormones.
(c) reserve for replenishment of damaged cells of the meristem.
(d) region for absorption of water.
Answer. C
Question. In a plant organ which is covered by periderm and in which the stomata are absent, some gaseous exchange still takes place through
(a) aerenchyma
(b) trichomes
(c) pneumatophores
(d) lenticels
Answer. D
Question. Porous wood contains
(a) vessels
(b) tracheids
(c) fibres
(d) parenchyma
Answer. A
Question. In the sieve elements, which one of the following is the most likely function of P-proteins?[2006]
(a) Deposition of callose on sieve plates.
(b) Providing energy for active translocation.
(c) Autolytic enzymes.
(d) Sealing mechanism on wounding.
Answer. A
Question. Two cross-sections of stem and root appear simple, when viewed by naked eye. But under microscope, they can be differentiated by
(a) exarch condition of root and stem
(b) endarch condition of stem and root
(c) endarch condition of root and exarch condition of stem
(d) endarch condition of stem and exarch condition of root
Answer. D
Question. Passage cells are found in
(a) endodermis
(b) pericycle
(c) cortex
(d) epiblema
Answer. A
Question. Companion cells in plants are associated with
(a) vessels
(b) sperms
(c) sieve elements
(d) guard cells
Answer. C
Question. Contractile tissues have the following features
(i) Mesodermal in origin
(ii) They contain stretch receptors.
(iii) Rhythmic contractions are seen in them
(iv) They do not fatigue during the life of the animal Which of the above are characteristics of sphincters?
(a) All the four
(b) Only (i), (ii) and (iii)
(c) Only (i), (ii) and (iv)
(d) Only (i), (iii) and (iv)
Answer. B
Question. T.S. of dicot leaf passing through the midrib is given below, certain parts have been indicated by alphabets. Choose the correct option.
(a) A – Epidermis, B – Spongy parenchyma,C – Palisade parenchyma, D – Stomata, E –Guard cells, F – Phloem, G – Metaxylem, H– Protoxylem
(b) A – Epidermis, B – Palisade parenchyma,C – Spongy parenchyma, D – Sub-stomatalcavity, E – Stoma, F – Phloem, G –Metaxylem, H – Bundle sheath
(c) A – Epidermis, B – Palisade parenchyma,C – Spongy parenchyma, D – Stomata, E –Guard cells, F – Epidermis, G – Xylem, H –Phloem
(d) A – Epidermis, C – Palisade parenchyma,C – Spongy parenchyma, D – Stomata, E –Guard cells, F – Phloem, G – Metaxylem, H– Protoxylem
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 : Thick cuticle is mostly present in disease resistant plants.
Reason : Disease causing agents cannot grow on cuticle and cannot invade the cuticle.
Answer. E
Question. Assertion: Cambium is a lateral meristem and cause growth in width.
Reason: Cambium is made up of fusiform and ray initials in stem.
Answer. B
Question. Assertion : Higher plants have meristematic regions for indefinite growth.
Reason : Higher plants have root and shoot apices.
Answer. A
Question.Assertion : In collateral vascular bundles, phloem is situated towards inner side.
Reason : In monocot stem, cambium is present.
Answer. D
Question. Assertion : Collenchyma is thick walled dead tissue.
Reason : Collenchymatous cells show thickenings of pectin.
Answer. E
Question. Assertion: The two cotyledons in seed are embryonic leaves.
Reason: The embryo contains radicle and plumule.
Answer. B
Question. Assertion : In angiosperms, the conduction of water is more efficient because their xylem has vessels.
Reason : Conduction of water by vessel elements is an active process with energy supplied by xylem parenchyma rich in mitochondria.
Answer. D
Question. Assertion : In woody stems, the amount of heart wood continues to increase year after year.
Reason : The cambial activity continues uninterrupted.
Answer. A
Question. Assertion : Petroplants produce large amount of latex.
Reason : The latex contains long chain hydrocarbons.
Answer. A
| CBSE Class 11 Biology Locomotion And Movement Worksheet Set C |
| CBSE Class 11 Locomotion and Movement Worksheet A |
| CBSE Class 11 Locomotion and Movement Worksheet B |
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CBSE Class 11 Biology Chapter 6 Anatomy of Flowering Plants Worksheet
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