Home
Class 11
BIOLOGY
Which of the following statements are tr...

Which of the following statements are true/false?
(a) Trimerous condition of floral whorl is characteristic of dicotyledons.
(b) Adiantum is also called walking fem.
( c) In gymnosperms, the vascular system consists of xylem without vessels and phloem without companion cells.

A

(a) and (b) are true and (c) and (d) are false.

B

(a) and (c) are true and (b) and (d) are false.

C

(a) and (d) are true and (b) and (c) are false.

D

(b), (c), and (d) are true and (a) is false.

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • PLANT KINGDOM

    CENGAGE BIOLOGY|Exercise ARCHIVES|70 Videos
  • PLANT GROWTH AND DEVELOPMENT

    CENGAGE BIOLOGY|Exercise Archives|28 Videos
  • RESPIRATION IN PLANTS

    CENGAGE BIOLOGY|Exercise ARCHIVES|12 Videos

Similar Questions

Explore conceptually related problems

Which of the following statemetns is/are true? I. Trimerous condition of floral whorl is characteristic of dicotyledons. II. Adiantum is also called walking fern. III. In gymnosperms the vascular system consists of xylem without vessels and phloem without companion cells. IV. Riccia and Marchantia are liverworts.

Which of the following statements is /are true Uneven thickening of cell wall is characteristic of sclerenchyma (B) Periblem forms the cortex of the stem and the root (C) Tracheids are the chief wate transporting elements in gymnosperms (D)Companion cell is devoid of nucleous at maturity (E) The Commercial cork is obtained from Quercus suber

(a) Identify figures A to F ? (b) What is the phylum of D, E and F ? (c) What is the division of A, B and C ? (d) Which of them is unicellular and eukaryotic organism ? (e) Which one of them exhibits (i) Heterotrophic nutrition , (ii) Mixotrophic nutrition (f) Which one of them is multicellular decomposer ? (g) Which one amphibian of plant kingdom ? (h) In which one of them plant xylem lacks vessels and phloem is without companion cells ? (i) What is the scientific name of each of them : (i) Male shield fern , (ii) Bread mould ? (j) In which of them endosperm is haploid ?

Which of the following statements are true/false? (a) In Torpedo the electric organs are capable of generating strong electric shock to paralyze the prey (b) Bony fishes use pectoral, pelvic, dorsal, anal and caudal fins in swimming ( c) Amphibian skin is moist and has thick scales (d) Birds are poikilothermous animals (e) The most unique mammalian characteristic is the presence of milk producing mamary glands by which the yound ones are nourished

Which of the following statements are correct about barbiturates (a) Hyphotics or sleep producing agents (b) These are tranquilizers (c ) Non-narcotic analgesics (d) Pain reducing without disturbing the nervous system

Which of the following statements is correct ? (A) Mycoplasma has no cell wall (B) Viruses can multiply only when they are present inside the living cell. (C) True sexuality s not found in bacteria (D) Mycoplasma can not survive without O_(2)

CENGAGE BIOLOGY-PLANT KINGDOM-ARCHIVES
  1. Which of the following statements are true/false? (a) Trimerous cond...

    Text Solution

    |

  2. Flagellated male gametes are present in all the three of which one of ...

    Text Solution

    |

  3. In the prothallus of a vascular cryptogam, the antherozoids and egg m...

    Text Solution

    |

  4. In gymnosperms the pollen chamber represents

    Text Solution

    |

  5. Spore dissemination in some liverworts is aided by

    Text Solution

    |

  6. If you are asked to classify the various algae into distinct groups, w...

    Text Solution

    |

  7. In which of the following, gametes are produced by mitrotic division?

    Text Solution

    |

  8. In which one of the following male and female gametophytes do not have...

    Text Solution

    |

  9. Which of the following is heterosporous

    Text Solution

    |

  10. Selelct one of the following paris of important features distinguishig...

    Text Solution

    |

  11. Which one of the following plants is monoecious

    Text Solution

    |

  12. Which one of the following has haplontic life cycle

    Text Solution

    |

  13. Which one of the following is a vascular cryptogram?

    Text Solution

    |

  14. Which of the following is a vascular cryptogam

    Text Solution

    |

  15. Male and female gametophytes are independent and free-living in

    Text Solution

    |

  16. Algae have cell wall made up of

    Text Solution

    |

  17. Some hyperthermophilic organisms that grow in highly acidic (pH2) hab...

    Text Solution

    |

  18. A prokaryotic autotrophic nitrogen fixing symbiont is found in

    Text Solution

    |

  19. Archegoniophore is present in

    Text Solution

    |

  20. Compared with the gametophytes of the bryophytes the gametophytes of v...

    Text Solution

    |

  21. The gametophyte is not an independent, free-living generation in

    Text Solution

    |