CBSE Class 11 Plant Kingdom Worksheet Set 02

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MULTIPLE CHOICE QUESTIONS

Question. Algae are useful because they
(a) purify the atmosphere
(b) are large in number
(c) are used in fermentation
(d) are used to study respiration
Answer. A

Question. The plant body of Funaria is 
(a) sporophyte
(b) gametophyte
(c) predominantly sporophyte with independent gametophyte
(d) predominantly gametophyte with dependent sporophyte.
Answer. D

Question. Elaters help in dispersal of spores of 
(a) Riccia
(b) Marchantia
(c) Dryopteris
(d) Funaria
Answer. B

Question. Plants of which one of the following groups of genera are pollinated by the same agency?
(a) Triticum, Cocos, Mangifera 
(b) Ficus, Kigelia, Casuarina
(c) Salvia, Morus, Euphorbia
(d) Bombax, Butea, Bauhinia
Answer. C

Question. Which of the following match is correct?
Disease Pathogen
(a) Wilt disease Synchytrium
(b) Citrus canker Xanthomonas
(c) Red rot of sugarane Ustilago
(d) Powdery mildew Fusarium
Answer. B

Question. People recovering from long illness are often advised to include the alga Spirulina in their diet because it
(a) makes the food easy to digest.
(b) is rich in proteins.
(c) has antibiotic properties.
(d) restores the intestinal microflora.
Answer. B

Question. Botanical name of Sanjeevani is 
(a) Selaginella chrysocaulos
(b) Selaginella bryopteris
(c) Selaginella chrysorhizos
(d) None of the above
Answer. B

Question. Largest ovule in plant kingdom are found in
(a) Pinus
(b) Cycas 
(c) Thuja
(d) Gnetum
Answer. B

Question. Plant material, which is used in culture medium is obtained from 
(a) Cycas
(b) coconut milk
(c) Pinus
(d) mango
Answer. B

Question. Which is a saprophytic angiosperm? 
(a) Cuscuta
(b) Neottia
(c) Agaricus
(d) Yeast
Answer. B

Question. Bryophytes do not possess 
(a) vascular tissue
(b) gametophyte
(c) alternation of generation
(d) spores
Answer. A

Question. The drug bellodona is obtained from
(a) Atropa
(b) Opium
(c) Rauwolfia
(d) Solanum
Answer. A

Question. The nature of megasporophyll of Cycas is similar to 
(a) stamen
(b) carpel
(c) sepal
(d) petal
Answer. B

Question. Which of the following helps in respiration of lichens?
(a) Isidia
(b) Soredia
(c) Cyphella
(d) Cephalodia
Answer. C

Question. The heart shaped fern prothallus is
(a) gametophyte
(b) sporophyte
(c) saprophyte
(d) gamete
Answer. A

Question. In which portion of Cycas diploxylic vascular bundles are found ?
(a) Root
(b) Stem
(c) Leaflet
(d) Rachis and leaflet
Answer. D

Question. Zygospore of Spirogyra at the time of meiosis is divided into 4 nuclei. How many nuclei degenerate out of these four ?
(a) One
(b) Two
(c) Three
(d) Four
Answer. C

Question. Match the following
Column-I               Column-II
(Classes)                (Examples)
A. Psilotopsida       I. Dryopteris, Pteris,Adiantum
B. Lycopsida          II. Equisetum
C. Sphenopsida     III. Selaginella
D. Pteropsida        IV. Lycopodium
                           V. Psilotum
(a) A – V; B – III; C – II; D – I
(b) A – I; B – II; C – III; D – IV
(c) A – IV; B – III; C – II; D – I
(d) A – III; B – V; C – I; D – II
Answer. A

Question. Consider the following statements regarding the major pigments and stored food in the different groups of algae and choose the correct option
(i) In chlorophyceae, the stored food material is starch and the major pigments are chlorophyll-a and d.
(ii) In phaeophyceae, laminarian is the stored food and major pigments are chlorophyll-a and b.
(iii) In rhodophyceae, floridean starch is the stored food and the major pigments are chlorophyll-a, d and phycoerythrin.
(a) (i) is correct, but (ii) and (iii) are incorrect
(b) (i) and (ii) are correct, but (iii) is incorrect
(c) (i) and (iii) are correct, but (ii) is incorrect
(d) (iii) is correct, but (i) and (ii) are incorrect
Answer. B

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 : Red algae contributes in producing coral reefs.
Reason : Some red algae secrete and deposit calcium carbonate over their walls.
Answer. A

Question. Assertion: The peristome is a fringe of teethlike projections found at the mouth of the capsule. 
Reason: It may be of two types nematodontous and orthodontus.
Answer. B

Question. Assertion : Members of phaeophyceae vary in colour from olive green to various shades of brown
Reason : Phaeophceae possess chlorophyll a,c, carotenoids and xanthophysis.
Answer. A

1. Name a unicellular algae.
2. Why some bryophytes are called liverworts.
3. What are rhizoids?
4. List four classes of plants belonging to fern group.
5. How will you differentiate between red algae & green algae.
6. Write two important characteristics of gymnosperms?
7. Describe the main features of pteridophytes?
8. “Algae & Bryophytes are different from each other.” Point out the main differences between them?    
9. Explain briefly the alternation of generation in bryophytes? 

Click on link below to download CBSE Class 11 Plant Kingdom Worksheet B.