Class 11 Biology Chapter 6 Anatomy Of Flowering Plants Quiz 6 (25 MCQs)

Quiz Instructions

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1. Which structure present in vascular bundles is responsible for the secondary growth in dicot plants?
2. Assertion:Cuticle is also present in lower epidermal region of the leaf. Reason:The lower epidermis contains a large number of stomata
3. Assertion:Sclerenchyma cells do not possess plasmodesmata.Reason:The cell walls of some permanent tissues are heavily lignified.
4. IF A DICOT STEM HAS 100 DARK AND LIGHT RINGS ON THE CUT SURFACE THEN THE AGE OF THE PLANT WILL BE
5. In angiosperm phloem-
6. The annual rings are bands of(a) springwood and autumn wood(b) secondary xylem and primary xylem(c) xylem and phloem(d) secondary phloem and primary phloem
7. Which type of cell found in grasses helps in reducing water loss?
8. Lenticels are involved in:
9. Which of the following features is not found while observing a TS of monocot root?
10. Which one produces primary tissues?
11. Xylem is a conducting tissue for water and minerals from roots to the upper parts of the plant. Which of the following statement about Xylem is correct?
12. Large, empty colourless cells of the adaxial epidermis along the veins of grass leaves are
13. What is the structure that contains the reproductive organs of a flowering plant?
14. I. Roots are unicellular.II, Trichomes are usually multicellualr.Identify the correct option
15. Assertion:-Interfascicular cambium is thededifferentiated tissue.Reason:-In interfascicular cambium cells attaindefinite shape and function and lost power ofdivision.
16. The annual rings are formed due to
17. In dicotyledonous stem, the outer hypodermis, consists of a few layers of collenchymatous cells just below the epidermis, which provide mechanical strength to the young stem.
18. Which component is not found in phloem of angiosperms?
19. Interfascicular cambia originate from cells of-
20. Which of the following is the living element of xylem-
21. Which of the following is NOT a type of simple permanent tissue in plants?
22. I) made up of scelerenchymatous cells, II) Generally absent in primary phloemIII) Much elongated & pointed. Above characteristics match with which of the following?
23. Embryos with two cotyledons
24. Supports and anchors plant, uptakes water and stores nutrients.
25. In old trees the greater part of secondary xylem is dark brown and resistant to insect attack due to Choose the correct answer from the options given below.