CBSE Class 11 Anatomy of Flowering Plants Worksheet A

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MULTIPLE CHOICE QUESTIONS

Question. Endodermis is a part of 
(a) cortex
(b) pericycle
(c) medulla
(d) epidermis
Answer. A

Question. Lateral root in higher plants arise from
(a) cortex
(b) pericycle
(c) epidermis
(d) endodermis
Answer. B

Question. Cycas stem shows 
(a) porous wood
(b) manoxylic wood
(c) pycnoxylic wood
(d) ring porous wood
Answer. B

Question. Aerenchyma is found in 
(a) parenchyma
(b) xylem
(c) phloem
(d) sclerenchyma
Answer. A

Question. Which of the following tissue is absent in  vascular bundles of monocot stem ? 
(a) Xylem
(b) Phloem
(c) Cambium
(d) All of these
Answer. C

Question. Cork cambium is a 
(a) lateral meristem
(b) apical meristem
(c) intercalary meristem
(d) primitive meristem
Answer. A

Question. Cambium of root is an example of
(a) apical meristem
(b) intercalary meristem
(c) primary meristem
(d) secondary meristem
Answer. D

Question. Which of the following is enucleate at maturity?
(a) Companion cell
(b) Meristematic cell
(c) Parenchyma
(d) Sieve tube cell
Answer. D

Question. Fascicular cambium is the cambium of vascular bundle of
(a) monocot stem
(b) dicot stem
(c) monocot leaf
(d) dicot leaf
Answer. B

Question. Cork cambium results in the formation of cork which becomes impermeable to water due to the accumulation of 
(a) resins
(b) suberin
(c) lignins
(d) tannins
Answer. B

Question. Which one of the following statements pertaining to plant structure is correct? 
(a) Cork lacks stomata but lenticels carry out transpiration.
(b) Passage cells help in transfer of food from cortex to phloem.
(c) Sieve tube elements possess cytoplasm but no nuclei.
(d) The shoot apical meristem has a quiescent centre.
Answer. C

Question. In which one of the following would you expect to find glyoxysomes ?
(a) Endosperm of wheat
(b) Endosperm of castor
(c) Palisade cells in leaf
(d) Root hairs
Answer. B

Question. Grafting is successful in dicots but not in monocots because the dicots have [2006]
(a) vascular bundles arranged in a ring
(b) cambium for secondary growth
(c) vessels with elements arranged end to end
(d) cork cambium
Answer. B

Question. Sclerenchyma usually_______ and ________ protoplasts.
(a) live, without
(b) dead, with
(c) live, with
(d) dead, without
Answer. D

ASSERTION REASON QUESTIONS

Directions : Each of these questions contains an Assertion followed by Reason. Read them carefully and answer the question on the basis of following options. You have to select the one that best describes the two statements.
(a) If both Assertion and Reason are correct and Reason is the correct explanation of Assertion.
(b) If both Assertion and Reason are correct, but Reason is not the correct explanation of Assertion.
(c) If Assertion is correct but Reason is incorrect.
(d) If both the Assertion and Reason are incorrect.

Question. Assertion : Vessels are more efficient for water conduction as compared to tracheids.
Reason : Vessels are dead lignified.
Answer. B

Question. Assertion: Bulliform cells are useful in the unrolling of leaf.
Reason: Bulliform leaves store water. 
Answer. B

Question. Assertion : In stem, pericycle take active part in secondary growth.
Reason : In dicots, pericycle has the capacity to produce lateral roots.
Answer. C

1. Name two specialized kinds of parenchyma.
2. What is the function of companion cells in phloem ?
3. Define meristem.
4. Why is cambium considered to be a lateral meristem ?
5. Mention four characteristics of sunflower’s vascular bundles.
6. Differentiate between tracheids & vessels.
7. Explain the structure & function of collenchyma.
8. What are sieve elements? Explain their types & functions.
9. Describe the internal structure of a monocot root with the help of a labeled diagram. 

Click on link below to download CBSE Class 11 Anatomy of Flowering Plants Worksheet A.