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