Home
Class 12
BIOLOGY
Consider the following statement and cho...

Consider the following statement and choose the correct option
(i) The thread like cytoplasmic strands, running from one cell to other is known as plasmodesmata
(ii) Xylem and phloem constitute the vascular bundle of the stem
(iii)The first form xylem elements are described as metaxylem
(iv) Radial vascular bundles are mainly found in the leaves

A

I is true, but II, III and IV are wrong

B

II is true , but I, III and IV are wrong

C

III is true , but I, II and IV are wrong

D

I and II are true, but III and IV are wrong

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • ANATOMY OF FLOWERING PLANTS

    ARIHANT NEET|Exercise Chapter exercises ( Medical entrances special format questions Assertion and reason)|8 Videos

  • ADOLESCENCE AND DRUG/ALCOHOL ABUSE

    ARIHANT NEET|Exercise MEDICAL ENTRANCES GALLARY (COLLECTION OF QUESTIONS ASKED IN NEET & VORIOUS MEDICAL ENTRANCE EXAMS)|23 Videos

  • ANIMAL HUSBANDRY

    ARIHANT NEET|Exercise CHAPTER EXERCISES (Medical entrances gallery) Collection of questions asked in NEET & Various Entrance Exams|18 Videos

Similar Questions

Explore conceptually related problems

Consider the following statement and choose the correct option The thread like cytoplasmic strands, running from one cell to other is known as plasmodesmata (ii) Xylem and phloem constitute the vascular bundle of the stem (iii)The first form xylem elements are described as metaxylem (iv) Radial vascular bundles are mainly found in the leaves

Read the following statements and select the correct option. Statement-1: Anatomically, all the tissues present on the inner side of endodermis such as pericycle, vascular bunbles and pitch constitute the stele. Statement-2: Eustele is the stele in which vasuclar bundles are arragned in the form of a ring as present in dicot stems.

Consider the following four statements (i)-(iv) and select the correct option (i) Fish heart contains only oxygenated blood (ii) Closure of A-V valves produces the second heart sound (iii) The vascular connection between the digestive track and kidney is called hepatic portal system (iv) Purkinje fibres are nerve fibres present in the heart wall.

Read the following statements about dicot stem and choose the correct option (a) Vascular bundles are arranged in a ring (b) Vascular bundles are conjoint, collateral and open type (C) Endarch type of arrangement of secondary xylem

Read the following statements and select the correct option (i) Blood cells secrete fibres of structural proteins called collagen and elastin (ii) Neuroglial cells protect and support the nephrons (iii) Osteocytes are present in spaces called lacunae (iv) Striated muscle fibres are bundled together in a parallel fashion (v) Biceps are involuntary and striated.

Find one word for the The following statements and choose the correct option. (i) Residual, persistent nucellus in seed -A (ii) Microspores arranged in a cluster of four cells - B (iii) Special cellular thickening at the micropylar end of emrbyo sac - C (iv) Development of seeds without fertilization - D

Which of the following statements are correct? I. In amphicribral vascular bundle, xylem lying in centre is surrounded by a ring of phloem. II. In amphivasal vascular bundle, phloem lying in centre is surrounded by xylem. III. In amphivasal vascular bundle, xylem lying in centre is surrounded by phloem. IV. In amphicribral vascular bundle, phloem lying in centre is surrounded by ring of xylem.

Consider the following four statements (I - iv) and select the correct option stating which ones are true (T) and which ones are false (F). (i) Formation of oxyhaemoglobin occurs on alveolar surface. (ii) During gaseous exchange the gases diffuse from high particle pressure to low partial pressure. (iii) Carbon dioxide cannot be transporteed width haemoglobin. (iv) Earthworm respires through parapodia.

Read the following statements and choose the correct answer. (i) Gap junctions cement adjacent cells together. (ii) Areolar tissue contains fibroblasts , macrophages and mast cells. (iii) Tight junctions facilitate the cells to communicate with each other (iv) Adhering junctions help to stop substances from leaking across tissues (v) Cells of connective tissue except blood secrete fibres of structural proteins called elastin.

ARIHANT NEET-ANATOMY OF FLOWERING PLANTS -Chapter exercises ( Medical entrances gallery)
  1. Arrange the following in the order of their location from periphery to...

    Text Solution

    |

  2. Vascular tissue in higher plants develops from which of the following ...

    Text Solution

    |

  3. Consider the following statement and choose the correct option (i...

    Text Solution

    |

  4. Casparian strip is a characteristic feature of

    Text Solution

    |

  5. Desert grasses often roll their leaves due to presence of

    Text Solution

    |

  6. In dicot stem, vascular bundles are

    Text Solution

    |

  7. Which of the following tissues consist of living cells

    Text Solution

    |

  8. What is /are true about heart wood A. It does not help in water con...

    Text Solution

    |

  9. Tunica corpus theory was proposed by

    Text Solution

    |

  10. plant grwoth in length is increased by

    Text Solution

    |

  11. In an annual ring, the light coloured part is known as

    Text Solution

    |

  12. The annular and spirally thickened conducting elements generally deve...

    Text Solution

    |

  13. Anatomically fairly old dicotyledonous root is distinguished from the ...

    Text Solution

    |

  14. In barley stem vascular bundles are

    Text Solution

    |

  15. Palisade parenchyma is absent in leaves of

    Text Solution

    |

  16. The sugarcane plant has

    Text Solution

    |

  17. Vascular tissues in flowering plants develop from

    Text Solution

    |

  18. The length of different internodes in a culm of sugarcane is variable ...

    Text Solution

    |

  19. Tyloses thickenings are seen in

    Text Solution

    |

  20. Which of the following statements is /are true Uneven thickening of ...

    Text Solution

    |