Anatomy of flowering plants neet questions

Q.1. In tissue culture experiments, leaf mesophyll cells are put in a culture medium to form callus. This phenomenon may be called as (NEET 2023) (a) Differentiation (b) Dedifferentiation (c) Development (d) Senescence Ans.b In tissue culture experiments, leaf mesophyll cells are put in a culture medium to form callus. This phenomenon may be called as dedifferentiation. Dedifferentiation is a phenomenon by which the living differentiated plant cells, that by now have lost the capacity to divide can regain the capacity of division under certain conditions. Q.2. Given below are two statements : (NEET 2023) Statement I : Endarch and exarch are the terms often used for describing the position of secondary xylem in the plant body. Statement II : Exarch condition is the most common feature of the root system. In the light of the above statements, choose the correct answer from the options given below: (a) Both Statement I and Statement II are true (b) Both Statement I and Statement II are false (c) Statement I is correct but Statement II is false (d) Statement I is incorrect but Statement II is true Ans.d Endarch and exarch are the terms often used for describing the position of primary xylem in the plant body. Primary xylem is of two types protoxylem and metaxylem. On the basis of relative position of protoxylem and metaxylem in the organ the arrangement of primary xylem can be endarch or exarch. Exarch type of primary xylem is seen in roots. Therefore, Statement I is false and...

Detailed Solution for Test: Anatomy of Flowering Plants - 2 - Question 4 In conjoint type of vascular bundles,the xylem and phloem are situated at the sameradius of vascular bundles. Such vascularbundles are common in stems and leaves. Theconjoint vascular bundles usually have thephloem located only on the outer side of xylem. Detailed Solution for Test: Anatomy of Flowering Plants - 2 - Question 15 In old trees, the greater part of secondary xylem is dark brown due to deposition of organic compounds like tannins, resins, oils, gums, aromatic substances and essential oils in the central or innermost layers of the stem. These substances make it hard, durable and resistant to the attacks of microorganisms and insects. This region comprises dead elements with highly lignified walls and is called heart wood. Detailed Solution for Test: Anatomy of Flowering Plants - 2 - Question 19 As the stem continues to increase in girth due to the activity of vascular cambium, the outer cortical and epidermis layers get broken and need to be replaced to provide new protective cell layers. Hence, another meristematic tissue called cork cambium or phellogen develops in the cortex region.

Many important questions are formed in competitive exams like NEET and boards from Class 11 Biology Chapter 6. Anatomy of Flowering plants is the sixth chapter in the Class 11 NEET syllabus for Biology. Below, we have provided Important Questions PDFs from Class 11 Biology Chapter 6 Anatomy of Flowering plants for your NEET 2023 preparation. You can check it here or download it later for revision purposes. Latest: Anatomy of Flowering plants Class 11 NEET Questions and Answers We’ve compiled a list of essential questions about the Anatomy of Flowering plants biology class 11 chapter 6 that you should not miss while studying for your NEET Exams. Anatomy of Flowering plants MCQ for NEET Play Again! Preparing for NEET? Don’t forget to check – The Living World NEET Questions and Answers Biological Classification NEET Questions and Answers Plant Kingdom NEET Questions and Answers Animal Kingdom NEET Questions and Answers Electrostatics NEET Questions and Answers Anatomy of Flowering plants Match the Following Questions for NEET Q.1. Match the column I with column II. Column I Column II A. Heartwood (i) Alburnum B. Softwood (ii) Porous wood C. Sapwood (iii) Duramen D. Hardwood (iv) Non-porous wood A.1. A-(iii), B-(iv), C-(i), D-(ii) Anatomy of Flowering plants Assertion and Reason Questions for NEET In each of the following questions, a statement of Assertion (A) is given and a corresponding statement of Reason (R) is given just below it. Of the statements, pick the correct answ...