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