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. 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 root Dicot root Dicot stem Monocot stem None 2. For a critical study of secondary growth in plants, which one of the following pairs is suitable? Sugarcan and sunflower Teak and pine Wheat and maiden hair fern Deodar and fern None 3. A concentric vascular bundle that has the phloem surrounding the xylem is called. Amphivasal Amphicribal Closed Radial None 4. The cylinder of tissues lying inside the endodermis of plant stems and roots, containing the vascular tissues, is known as Cambium Stele Pericycle Pith None 5. Plants growing at the equator are characterized by the absence of _______________. Secondary growth Annual rings Heart and sap wood Soft wood None 6. The meristem, in which the cells divide in several planes is plate meristem rib meristem lateral meristem mass meristem None 7. Lenticels develop through the activity of _____________. Vascular cambium Dermatogen Phellogen Intercalary meristem None 8. A distinguishing feature of latex cells is that they are:- Single celled elements with nonanastomosing branches Multicelled elements with nonanastomosing branches. Single celled elements with anastomosing branches Multicelled elements with anastomosing branches None 9. Compare the statements a and bStatement a : Sclerenchyma cells do not have plasmodesmata.Statement b : Cell walls of some permanent tissues are heavily lignified. Statement a is correct and b is wrong Both the statements a and b are correct Statement a is wrong and b is correct Both the statements a and b are wrong None 10. In the transverse section of a dicot root. The protoxylem vessels are present towards the centre and metaxylem vessels are present towards the periphery The protoxylem vessels are present towards the periphery and metaxylem vessels are present towards the centre Metaxylem is completely surrounded by protoxylem Protoxylem is completely surrounded by the metaxylem vessels None 11. 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 All of these ii, iii, vi ii, iii, iv i, ii, iii None 12. 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- 3, B- 1, C- 2, D- 4 A- 1 , B- 2 , C- 4 , D- 3 None 13. Choose the correct answer from the alternatives given.The primary growth in plants results from: lateral meristems promeristem cambium primary cambium None 14. 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 15. Ground tissue consists of All tissues internal to endodermis. All tissues external to endodermis. Epidermis and cortex. All tissues except epidermis and vascular tissues. None 16. 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. d true a, b, c wrong c true a, b, d wrong b true a, c, d wrong a, b true c, d wrong None 17. Parenchymatous cells filling the space, between dermal and vascular tissue is Epidermal tissue Pith Vascular bundles Ground tissue None 18. Phellogen and phellem respectively denotes- Secondary cortex and cork Cork cambium and cork Cork and cork cambium Cork and secondary cortex None 19. Tissue composed of non-parenchymatous cells and having isodimetric or irregular shape is: Sieve tube Sclereid Sclerenchyma fibre Idioblast None 20. Conjunctive tissue is found in the mature stem of? Mirabilas jalapa Boerhaavia diffusa Peperomia pellucida Tinospora cordifolia 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.