Class 11-Biology-Chapter 6-Anatomy of Flowering Plants InstructionTotal Questions : 20Total time :20 minTotal Marks : 20 x 3 = 60 MarksEach Correct Question carries : 3 MarksEach incorrect Question Carries : -1 MarksEach Unattempted Question carry : 0 MarksBe careful On Negative Markings 1. Ground tissue consists of All tissues except epidermis and vascular tissues. Epidermis and cortex. All tissues external to endodermis. All tissues internal to endodermis. None 2. Tissue composed of non-parenchymatous cells and having isodimetric or irregular shape is: Sclerenchyma fibre Sclereid Sieve tube Idioblast None 3. Lenticels develop through the activity of _____________. Vascular cambium Phellogen Intercalary meristem Dermatogen None 4. Guard cells are considered as modified epidermal cells in the respect of :-(i) Large in size(ii) Possess chloroplast(iii) Radially arranged microfibrils in cell wall(iv) Differential thickening of walls(v) Lack of nucleus(vi) Non - living ii, iii, iv All of these ii, iii, vi i, ii, iii None 5. The meristem, in which the cells divide in several planes is mass meristem lateral meristem rib meristem plate meristem None 6. Plants growing at the equator are characterized by the absence of _______________. Annual rings Heart and sap wood Secondary growth Soft wood None 7. Parenchymatous cells filling the space, between dermal and vascular tissue is Pith Vascular bundles Ground tissue Epidermal tissue None 8. Compare the statements a and bStatement a : Sclerenchyma cells do not have plasmodesmata.Statement b : Cell walls of some permanent tissues are heavily lignified. Both the statements a and b are correct Statement a is wrong and b is correct Both the statements a and b are wrong Statement a is correct and b is wrong None 9. Match List-I with List-II and select the correct answer.List-I (Meristem)List-II (Structure)a. Apical Meristem1. Cambiumb. Lateral Meristem2. Internodesc. Intercalary Meristem3. Root apexd. Secondary Meristem4. Cork cambium A- 3, B- 2, C- 4 , D- 1 A- 4 , B- 3 , C- 1, D- 2 A- 1 , B- 2 , C- 4 , D- 3 A- 3, B- 1, C- 2, D- 4 None 10. Select the correct option on the basis of given features, to which they belong:A. Cambium - Develops laterB. Pith - AbsentC. Epidermis -Possess unicelluiar hairs Dicot root Dicot stem Monocot root Monocot stem None 11. A concentric vascular bundle that has the phloem surrounding the xylem is called. Amphicribal Radial Closed Amphivasal None 12. The cylinder of tissues lying inside the endodermis of plant stems and roots, containing the vascular tissues, is known as Stele Cambium Pericycle Pith None 13. For a critical study of secondary growth in plants, which one of the following pairs is suitable? Teak and pine Sugarcan and sunflower Deodar and fern Wheat and maiden hair fern None 14. In the transverse section of a dicot root. Metaxylem is completely surrounded by protoxylem The protoxylem vessels are present towards the periphery and metaxylem vessels are present towards the centre The protoxylem vessels are present towards the centre and metaxylem vessels are present towards the periphery Protoxylem is completely surrounded by the metaxylem vessels None 15. Choose the correct options(a) Thread-like cytoplasmic strands, running from one cell to other are known as plasmodesmata(b) Xylem and phloem constitute the vascular bundle of the stem(c) First formed xylem elements are described as metaxylem(d) Radial bundles are mainly found in leaves. c true a, b, d wrong b true a, c, d wrong d true a, b, c wrong a, b true c, d wrong None 16. Choose the correct answer from the alternatives given.The primary growth in plants results from: lateral meristems cambium primary cambium promeristem None 17. Phellogen and phellem respectively denotes- Cork cambium and cork Secondary cortex and cork Cork and cork cambium Cork and secondary cortex None 18. Which one of the following pairs is correctly matched? Meristem - Actively dividing cells Phloem - Transport of water Sclerenchyma - Storage of starch Xylem - Transport of food None 19. Conjunctive tissue is found in the mature stem of? Peperomia pellucida Tinospora cordifolia Mirabilas jalapa Boerhaavia diffusa None 20. A distinguishing feature of latex cells is that they are:- Multicelled elements with anastomosing branches Single celled elements with anastomosing branches Multicelled elements with nonanastomosing branches. Single celled elements with nonanastomosing branches None Please Share This Share this content Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Leave a Reply Cancel replyCommentEnter your name or username to commentEnter your email address to commentEnter your website URL (optional) Save my name, email, and website in this browser for the next time I comment.