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. 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 2. Parenchymatous cells filling the space, between dermal and vascular tissue is Epidermal tissue Pith Vascular bundles Ground tissue None 3. Phellogen and phellem respectively denotes- Cork and secondary cortex Cork and cork cambium Cork cambium and cork Secondary cortex and cork None 4. The meristem, in which the cells divide in several planes is rib meristem mass meristem plate meristem lateral meristem None 5. The cylinder of tissues lying inside the endodermis of plant stems and roots, containing the vascular tissues, is known as Pith Pericycle Cambium Stele None 6. 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 a, b true c, d wrong d true a, b, c wrong None 7. Which one of the following pairs is correctly matched? Phloem - Transport of water Meristem - Actively dividing cells Sclerenchyma - Storage of starch Xylem - Transport of food None 8. 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 i, ii, iii ii, iii, vi None 9. A concentric vascular bundle that has the phloem surrounding the xylem is called. Amphicribal Radial Closed Amphivasal None 10. Ground tissue consists of All tissues except epidermis and vascular tissues. All tissues internal to endodermis. All tissues external to endodermis. Epidermis and cortex. None 11. Lenticels develop through the activity of _____________. Phellogen Dermatogen Intercalary meristem Vascular cambium None 12. 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 wrong Statement a is correct and b is wrong Statement a is wrong and b is correct Both the statements a and b are correct None 13. Select the correct option on the basis of given features, to which they belong:A. Cambium - Develops laterB. Pith - AbsentC. Epidermis -Possess unicelluiar hairs Monocot stem Dicot stem Dicot root Monocot root None 14. A distinguishing feature of latex cells is that they are:- Multicelled elements with anastomosing branches Single celled elements with anastomosing branches Single celled elements with nonanastomosing branches Multicelled elements with nonanastomosing branches. None 15. Choose the correct answer from the alternatives given.The primary growth in plants results from: cambium lateral meristems primary cambium promeristem None 16. Tissue composed of non-parenchymatous cells and having isodimetric or irregular shape is: Sclereid Sclerenchyma fibre Idioblast Sieve tube None 17. Conjunctive tissue is found in the mature stem of? Mirabilas jalapa Boerhaavia diffusa Peperomia pellucida Tinospora cordifolia None 18. 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- 1, C- 2, D- 4 A- 4 , B- 3 , C- 1, D- 2 A- 3, B- 2, C- 4 , D- 1 A- 1 , B- 2 , C- 4 , D- 3 None 19. For a critical study of secondary growth in plants, which one of the following pairs is suitable? Wheat and maiden hair fern Sugarcan and sunflower Deodar and fern Teak and pine None 20. Plants growing at the equator are characterized by the absence of _______________. Secondary growth Annual rings Soft wood Heart and sap wood 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.