NCERT CLASS 11 | TOPIC : ANATOMY OF FLOWERING PLANTS | PYQB (OLD) | NEET BIOLOGY ONLINE TEST

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NCERT CLASS 11 | TOPIC : ANATOMY OF FLOWERING PLANTS | PYQB (OLD) | NEET BIOLOGY ONLINE TEST

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It contains 26 important questions. Choose the most correct answer. Then check your answer. Try again if there are errors. Regards : kalvisolai.net

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1 ➤ 1. Kranz anatomy is one of the characteristics of the leaves of [AIPMT MAINS 2010]

(a) Potato (b) Wheat (c) Sugarcane (d) Mustard

2 ➤ 2. Give below is the diagram of a stomatal apparatus. In which of the following, all the four parts labelled as A, B, C, D are correctly identified? A B D C [AIPMT MAINS 2010]

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(a) A: Subsidiary cell, B: Epidermal cell, C: Guard cell, D: Stomatal aperture (b) A: Guard cell, B: Stomatal aperature, C: Subsidiary cell, D: Epidermal cell (c) A: Epidermal cell, B: Guard cell, C: Stomatal aperture, D: Subsidiary cell (d) A: Epidermal cell, B: Subsidiary cell, C: Guard cell, D: Stomatal aperture

3 ➤ 3. The chief water conducting elements of xylem in gymnosperms are [AIPMT PRE 2010]

(a) Vessels (b) Fibres (c) Transfusion tissue (d) Tracheids

4 ➤ 4. Which one of the following is not a lateral meristem? [AIPMT PRE 2010]

(a) Intrafascicular cambium (b) Interfascicular cambium (c) Phellogen (d) Intercalary meristem

5 ➤ 5. Heartwood differs from sapwood in [AIPMT PRE 2010]

(a) Presence of rays and fibres (b) Absence of vessels and parenchyma (c) Having dead and non-conducting elements (d) Being susceptible to pests and pathogens

6 ➤ 6. Some vascular bundles are described as open because these [AIPMT MAINS 2011]

(a) Are surrounded by pericycle but no endodermis. (b) Are capable of producing secondary xylem and phloem. (c) Possess conjunctive tissue between xylem and phloem. (d) Are not surrounded by pericycle.

7 ➤ 7. In Kranz anatomy, the bundle sheath cells have [AIPMT MAINS 2011]

(a) Thin walls, many intercellular spaces and no chloroplasts. (b) Thick walls, no intercellular spaces and large number of chloroplasts. (c) Thin walls, no intercellular spaces and several chloroplasts. (d) Thick walls, many intercellular spaces and few chloroplasts.

8 ➤ 8. Ground tissue includes: [AIPMT PRE 2011]

(a) All tissues except epidermis and vascular bundles (b) Epidermis and cortex (c) All tissues internal to endodermis (d) All tissues external to endodermis

9 ➤ 9. In land plants, the guard cells differ from other epidermal cells in having [AIPMT PRE 2011]

(a) Mitochondria (b) Endoplasmic reticulum (c) Chloroplasts (d) Cytoskeleton

10 ➤ 10. The cork cambium, cork and secondary cortex are collectively called [AIPMT PRE 2011]

(a) Phellogen (b) Periderm (c) Phellem (d) Phelloderm

11 ➤ 11. As compared to a dicot root, a monocot root has [AIPMT MAINS 2012]

(a) Many xylem bundles (b) Inconspicuous annual rings (c) Relatively thicker periderm (d) More abundant secondary xylem

12 ➤ 12. The common bottle cork is a product of [AIPMT PRE 2012]

(a) Dermatogen (b) Phellogen (c) Xylem (d) Vascular Cambium

13 ➤ 13. Closed vascular bundles lack [AIPMT PRE 2012]

(a) Ground tissue (b) Conjunctive tissue (c) Cambium (d) Pith

14 ➤ 14. Water containing cavities in vascular bundles are found in [AIPMT PRE 2012]

(a) Sunflower (b) Maize (c) Cycas (d) Pinus

15 ➤ 15. Gymnosperms are also called soft wood spermatophytes because they lack [AIPMT PRE 2012]

(a) Cambium (b) Phloem fibres (c) Thick walled tracheids (d) Xylem fibres

16 ➤ 16. Interfascicular cambium develops from the cells of [AIPMT 2013]

(a) Medullary rays (b) Xylem parenchyma (c) Endodermis (d) Pericycle

17 ➤ 17. Lenticels are involved in: [AIPMT 2013]

(a) Transpiration (b) Gaseous exchange (c) Food transport (d) Photosynthesis

18 ➤ 18. Age of a tree can be estimated by: [AIPMT 2013]

(a) Its height and girth (b) Biomass (c) Number of annual rings (d) Diameter of its heartwood

19 ➤ 19. You are given a fairly old piece of dicot stem and a dicot root. Which of the following anatomical structures will you use to distinguish between the two? [AIPMT 2014]

(a) Secondary xylem (b) Secondary phloem (c) Protoxylem (d) Cortical cells

20 ➤ 20. Tracheids differ from other tracheary element in: [AIPMT 2014]

(a) Having casparian strips (b) Being imperforate (c) Lacking nucleus (d) Being lignified

21 ➤ 21. Vascular bundles in monocotyledons are considered closed because: [AIPMT 2015]

(a) A bundle sheath surrounds each bundles (b) Cambium is absent (c) There are no vessels with perforations (d) Xylem is surrounded all around by phloem

22 ➤ 22. A major characteristic of the monocot root is the presence of: [AIPMT 2015]

(a) Open vascular bundles (b) Scattered vascular bundles (c) Vasculature without cambium (d) Xylem along the radius

23 ➤ 23. Read the different components from (a) to (d) in the list given below and tell the correct order of the components with reference to their arrangement from outer side to inner side in a woody dicot stem: (a) Secondary cortex (b) Wood (c) Secondary cortex (d) Phellem The correct order is: [RE-AIPMT 2015]

(a) (A), (b), (d), (c) b) (d), (a), (c), (b) (c) (d), (c), (a), (b) (d) (c), (d), (b), (a)

24 ➤ 24. Specialized epidermal cells surrounding the guard cells are called: [NEET - I, 2016]

(a) Complementary cells (b) Subsidiary cells (c) Bulliform cells (d) Lenticels

25 ➤ 25. Cortex is the region found between: [NEET - II, 2016]

(a) Pericycle and endodermis (b) Endodermis and pith (c) Endodermis and vascular bundle (d) Epidermis and stele

26 ➤ 26. The balloon-shaped structures called tyloses [NEET - II, 2016]

(a) Characterize the sapwood (b) Arte extensions of xylem parenchyma cells into vessels (c) Are linked to the ascent of sap through xylem vessels (d) Originate in the lumen of vessels

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