Anatomy of Flowering Plants Biology NEET Quiz Online

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Anatomy of Flowering Plants NEET Quiz

Questions in this NEET Quiz are taken from following Topics

Note : All these Questions of Anatomy of Flowering Plants NEET Quiz are directly taken from our favorite NCERT Textbook and Previous year Questions Papers.

No. of Questions in Quiz35 with Explanation
Time for each Questions60 Seconds
Attempts AllowedUnlimited
AvailableAlways
Pass Percentage70 %

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Chapterwise Biology Quizzes

Anatomy of Flowering Plants Quiz NEET

#1. Grass leaves curl inwards during very dry weather. Select the most appropriate reason from the following

Bulliform cells become flaccid due to water loss. This will make the leaves to curl inward to minimise water loss.

#2. Which of the statements given below is not true about formation of Annual Rings in trees?

Growth rings are formed by the seasonal activity of cambium. In plants of temperate regions, cambium is more active in spring and less active in autumn seasons. In temperate regions climatic conditions are not uniform throughout the year. However in tropics climatic conditions are uniform throughout the year.

#3. Phloem in gymnosperms lacks :

Phloem in Gymnosperms lacks both sieve tube and companion cells.

#4. Stomata in grass leaf are

Grass being a monocot, has dumb-bell shaped stomata in their leaves.

#5. Plants having little or no secondary growth are

Grasses are monocots and monocots usually do not have secondary growth. Palm like monocots have anomalous secondary growth.

#6. Casparian strips occur in

  • Endodermis have casparian strip on radial and inner tangential wall.
  • It is suberin rich.

#7. Secondary xylem and phloem in dicot stem are produced by

Vascular cambium is partially secondary

• Form secondary xylem towards its inside and secondary phloem towards outsides.

• 4 – 10 times more secondary xylem is produced than secondary phloem.

#8. Identify the wrong statement in context of heartwood.

Heartwood is physiologically inactive due to deposition of organic compounds and tyloses formation, so this will not conduct water and minerals.

#9. Which of the following is made up of dead cells?

Cork cambium undergoes periclinal division and cuts off thick walled suberised dead cork cells towards outside and it cuts off thin walled living cells i.e., phelloderm on inner side.

#10. The vascular cambium normally gives rise to

During secondary growth, vascular cambium gives rise to secondary xylem and secondary phloem. Phelloderm is formed by cork cambium.

#11. Cortex is the region found between

Cortex is the region present between epidermis and stele.

#12. The balloon-shaped structures called tyloses

Tyloses are balloon – shaped structures in xylem vessels developed by xylem parenchyma cells.

#13. Specialised epidermal cells surrounding the guard cells are called

Few epidermal cells, in the vicinity of the guard cells become specialised in their shape and size and are known as subsidiary cells.

The stomatal aperture, guard cells and the surrounding subsidiary cells are together called stomatal apparatus.

#14. Vascular bundles in monocotyledons are considered closed because

#15. A major characteristic of the monocot root is the presence of

#16. 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?

Stem – Endarch xylem Root – Exarch xylem

#17. Tracheids differ from other tracheary elements in:

Tracheids differ from vessels in being imperforate i.e, tracheids have end walls.

#18. Age of a tree can be estimated by

The process is called dendrochronology. In each year, in temperate region, two rings are formed, One in spring season (spring or early wood) Second in autumn season (autumn or late wood).

#19. Interfascicular cambium develops from the cells of

Parenchymatous cells of medullary rays get differentiated show meristematic activity and form interfascicular cambiumXylem parenchyma – Living component of xylem Endodermis – Innermost layer of cortex Pericycle – Outermost layer of stele.

#20. Water containing cavities in vascular bundles are found in

Because they are present in monocots. Cycas and Pinus are gymnosperms sunflower is angiosperm (dicot).

#21. Closed vascular bundles lack

So, no secondary growth takes place. e.g., monocots.

#22. Companion cells are closely associated with

Because companion cells provide sieve elements nucleus for their life functions. Sieve elements and companion cells are ontogenetically related.

#23. The common bottle cork is a product of

Also called cork cambium, which cuts off or produces cork cells towards outer side which later on become suberised.

#24. As compared to a dicot root, a monocot root has

Polyarch condition prevails in monocots.

#25. Function of companion cells is

#26. Ground tissue includes

Ground tissue is further differentiated into cortex and pith. Outermost layer of cortex is hypodermis, innermost layer of cortex is endodermis

#27. In land plants, the guard cells differ from other epidermal cells in having

#28. The cork cambium, cork and secondary cortex are collectively called

Cork → Phellem

Cork cambium → Phellogen

Secondary cortex → Phelloderm

#29. Which one of the following is wrongly matched?

#30. Some vascular bundles are described as open because these

They have cambium, found in dicot stem

#31. The chief water conducting elements of xylem in gymnosperms are

Vessels are not present in gymnosperms. Fibres are not meant for water conduction.

Transfusion tissue is present in leaves because gymnosperms lack lateral veins.

#32. Which one of the following is not a lateral meristem?

Intercalary meristem is a primary meristem, left over meristematic cells by apical meristem constitute intercalary meristem and is responsible for primary growth of plant (increase in length). Rest all are secondary meristem.

#33. Heartwood differs from sapwood in

Dead because of deposition of organic secondary metabolites like resin, tannin, essential oils etc in xylem. Tracheal plugs also block vessels of heartwood and they become non conducting elements.

#34. Transport of food material in higher plants takes place through

#35. Anatomically fairly old dicotyledonous root is distinguished from the dicotyledonous stem by

In root, it is towards periphery → Exarch

In stem, it is towards pith → Endarch

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