Home
Class 12
BIOLOGY
Consider the following structures/charac...

Consider the following structures/characters: (i) Multicellular asexual buds (ii) Protonema stage (iii) Sporic meiosis (iv) Peristome in sporophyte (V) Multiflagellate sperms (vi) Vascular amphibians of plant kingdom . The structures/characters concerned with the life cycle of liverworts are:

A

(i), (iv) & (vi)

B

(i) & (iii)

C

(i), (iii), (v) & (vi)

D

(iii) & (v)

Text Solution

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

  • TEST 1

    AAKASH INSTITUTE ENGLISH|Exercise Examplle|19 Videos
  • TEST 3

    AAKASH INSTITUTE ENGLISH|Exercise EXERCISE|94 Videos

Similar Questions

Explore conceptually related problems

Which of the following structures are of gametophytic origin in bryophytes? i. Calyptra ii. Apophysis iii. Androcyte mother cell iv Elaters v Gemmae vi. Sporocyte

Which of the following structures are of gametophytic origin in bryophytes? i. Calyptra ii. Apophysis iii. Androcyte mother cell iv.Elaters v. Gemmae vi. Sporocyte

Read the following statements and select the correct ones. (i) Conidia are the asexual propagules restricted to Kingdom Fungi. (ii) Apiece of potato tuber having at least one eye (or node) is capable of giving rise to a new plant. (iii) Ginger propagates vegetatively with the help of its underground roots. (iv) Fleshy buds which take part in vegetative propagation are called bulbilsm present in Dioscorea, Agave, etc.

Consider the following w.r.t criteria for essentiality of an elements. (i) In the absence of the element the plants do not complete their life cycle or set the seeds (ii) Requirement of the element must be specific and replaceable by another element (iii) Element cannot be directly involved in the metabolism of plant (iv) Deficiency of any one element cannot be met by supplying some other element How many are incorrect?

Consider the following statements (A-D) each with one or two blanks. (A) Four characters of chordates are the presence of overset("(i)")"_____" dorsal hollow nervous system, overset("(ii)")"_____" and muscular tail (B) Agnatha are the most primitive craniates. They are commonly called overset("(iii)")"_____" vertebrates (C) Electric ray belongs to class overset("(iv)")"_____" while sea horse belongs to class overset("(v)")"_____" (D) overset("(vi)")"_____" are also defined as feathered bipeds. These have a overset("(vii)")"_____" gland on the tail Which one of the following options, correctly fills any two of the given statements ?

Which of the following are correct for numerical taxonomy ? (i) Based on all observed characteristics. (ii) Uses chemical constituents of the plant to resolved confusion . (iii) Based on cytological information like chromosome number , structure and behavior . (iv) Number and codes assigned to a few characters. (v) At the same time , hundreds of characters can be considered . (vi) Carried out using computers .

Draw the structure of the human ear and label the following parts: (i) tympanum, (ii) cochlea, (iii) pinna, (iv) malleus, (v) semi-circular canals, (vi) eustachian tube.

Which of the following criteria should be fulfilled by a molecule to act as a genetic material? (i) It should be able to replicate. (ii) It should be structurally and chemically stable. (iii) It should be able to ndergor slow mutations. (iv)It should be able to express itself in the form of 'Mendelian characters'

Mark te given statements True (T) or False (F) (i) All members of animalia are multicellular. (ii) Sponges exhibit tissue grade level of body organization (iii) A complete digestive system has two openings, mouth and anus. (iv) Annelids are pseudocoelomate animals. (v) notochord is an endodermally derived structure. (vi) all vertebrates are chordates. (vii) all chordates are vertebrates (viii) Polyps produce medusae asexually and medusae form the polyps sexually. (ix) Hooks and suckers are present in non parasitic flatworms (x) Lamprey dies after few days of spawning.

AAKASH INSTITUTE ENGLISH-TEST 2-EXERCISE
  1. The spread of living pteridophytes is limited and is restricted to nar...

    Text Solution

    |

  2. Beginning with germination of a moss spore, what is the sequence of st...

    Text Solution

    |

  3. Consider the following structures/characters: (i) Multicellular asexua...

    Text Solution

    |

  4. Find out the correct sequence (w.r.t. size of male gametophyte in decr...

    Text Solution

    |

  5. Which of the following options is correct w.r.t. active site of a prot...

    Text Solution

    |

  6. Which of the following is not a part of receptive zone of ommatidium i...

    Text Solution

    |

  7. Covalently attached organic cofactors of an apoenzyme are called

    Text Solution

    |

  8. Increase in concentration of substrate in case of competitive inhibiti...

    Text Solution

    |

  9. How many out of the following feature(s) is/are common between skeleta...

    Text Solution

    |

  10. Nodes of Ranvier are

    Text Solution

    |

  11. Isotropic band in a striated muscle fibre

    Text Solution

    |

  12. Which of the following is correct w.r.t. the respiration in cockroach?

    Text Solution

    |

  13. Choose the incorrect statement w.r.t. a-helical structure of proteins.

    Text Solution

    |

  14. All the following structures help in excretion, except

    Text Solution

    |

  15. select the incorrect statement wrt cockroach

    Text Solution

    |

  16. Which of the following is correct?

    Text Solution

    |

  17. Titillator and pseudopenis w.r.t. cockroach are

    Text Solution

    |

  18. Juvenile hormone which retains the nymphal characteristics of cockroac...

    Text Solution

    |

  19. Adenosine differs from cytosine because

    Text Solution

    |

  20. The longest and shortest podomeres in the leg of the cockroach are an...

    Text Solution

    |