Home
Class 11
BIOLOGY
Consider the following statements (A-D) ...

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 ?

A

(iii)-jawless, (iv)-Osteichthyes, (v)-Chondrichthyes

B

(i)-notochord, (ii)-pharyngeal gill slits, (iv)-Chondrichthyes, (v)-Osteichthyes

C

(iii)-jawed, (vi)-Reptiles, (vii)-uropygial

D

(i)-four-chambered heart, (ii)-pharyngeal gill slits, (vi)-Birds, (vii)-uropygial

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • ANATOMY OF FLOWERING PLANTS

    NCERT FINGERTIPS|Exercise Anatomy Of Flowering Plants|143 Videos

  • BIOLOGICAL CLASSIFICATION

    NCERT FINGERTIPS|Exercise Biological Classification|132 Videos

Similar Questions

Explore conceptually related problems

In honeybees, females are overset("(i)")"____" having overset("(ii)")"____" chromosomes and males are overset("(iii)")"____" having overset("(iv)")"____" chromosomes

The disease sickle-cell anaemia is caused by the substitution of overset("(i)") "____" by overset("(ii)") "____" at the overset("(iii)") "____" position of overset("(iv)") "____" globin chain of haemoglobin molecule Which of the following correctly fills the blanks in the above statements ?

Consider the following statements each with two blanks. (A) Seminiferous tubules produce overset((i))"_____" while Leydig's cells produce overset((ii))"_____" . (B) In females, urethra is small and conducts overset((iii))"_____" while in males it conducts urine and overset((vi))"_____" . (C) The process of formation of spermatozoa form spermatogonia is called overset((v))"_____" and the process of maturation of spermatids into spermatozoa is called overset((vi))"_____" . Which one of the following options, gives the correct fill ups for the respective blanks numbers from (i) to (vi) in the statements?

Consider the following statements each one or two blanks (A) Lippes loops is a overset("i")"___" while multiload 375 is a overset("ii")"___" IUD (B) Surgical methods of contraception are also called as overset("iii") "___" methods (C) High MMR and IMR play a significant role in overset("iv") "____" human population Which one of the following options, gives the correct fill ups for the respective blank numbers from (i) to (iv) in the above statements ?

Thoracic chamber is formed dorsally by the overset((i))"____" , vertrally by the overset((ii))"____" , laterally by the overset((iii))"____" and on lower side by the dome shaped overset((iv))"____" . Select the correct option to complete the above paragraph.

Fill in the blanks : (i) Four characters of Chordates are the presence of "…......." dorsal hollow nervous system, "…................." and muscular tail. (ii) Urochordates are marine, sessile, "….................." feeding invertebrate chordates. Common example is ".................." (iii) Agnatha are the most primitive Craniates. They are commonly called "................" vertebrates. (iv) Electric ray belongs to class "..................." while sea horse belongs to class ".................." (v) A lizard - like reptile ".............." of New Zealand is a living fossil. (vi) Snakes and lizards belong to class "..............." while frogs and toads are included in class "................." (viii) ".................." are also defined as feathered dipeds. These have a lone "................." gland on the tail.

Fill up the blanks in the following paragraph by selecting the correct option. overset((i))"____" are the primary female sex organs that produce overset((ii))"____" and overset((iii))"____" . Each primary sex organ is about overset((iv))"____" in length and is connected to the pelvic wall and uterus by overset((v))"____"

Given below are three statements (A-C) each with one or two blanks. Select the option which correctly fills up the blanks in any two statements A. Diseases or infections which are transmitted through sexual intercourse are collectively called overset("i")"____" deseases B. Gential herpes is overset("ii") "____" disease C. Sterilisation in males is overset("iii")"____" while in females is overset("iv") "____"

Given below are the three statements each with two blanks. Select the option which correctly fills up the blanks in any two statements. (A) Each seminiferous tubule is lined on its inside by two types of cells called overset(i)"______" and overset(ii)"______" . (B) The seminiferous tubulus open into the overset(i)"______" through overset(ii)"______" . (C) The enlargeed end of penis called the overset(i)"______" is covered by a loose fold of skin called the overset(ii)"______" .

NCERT FINGERTIPS-ANIMAL KINGDOM-Animal Kingdom
  1. The flightless bird among the following is

    Text Solution

    |

  2. Identify the following animals and select the correct option

    Text Solution

    |

  3. Consider the following statements (A-D) each with one or two blanks. ...

    Text Solution

    |

  4. Which of the following characters does not fit for Aves ?

    Text Solution

    |

  5. Which of the following classes is incorrectly matched with its general...

    Text Solution

    |

  6. Select the correct option that represents examples of the following ty...

    Text Solution

    |

  7. Which among these is not homeotherm ?

    Text Solution

    |

  8. Which of the following groups of animals are uricotelic ?

    Text Solution

    |

  9. Which of the following is a correct sequence of decreasing order of nu...

    Text Solution

    |

  10. Identify the aquatic mammal(s) from the following (i) Balaenoptera ...

    Text Solution

    |

  11. Match column I with column II and select the correct option form the g...

    Text Solution

    |

  12. Which of the following characters is absent in all chordates except m...

    Text Solution

    |

  13. Examine the figures given below and identify the option which represen...

    Text Solution

    |

  14. Which of the following pairs are correctly matched ? {:(,"Animals",,...

    Text Solution

    |

  15. Which of the following is wrongly matched ?

    Text Solution

    |

  16. Which of the following is an exclusive character of Class Mammalia ?

    Text Solution

    |

  17. Given below are four matchings of an animal and its kind of respirator...

    Text Solution

    |

  18. Which one of the following groups of animals is correctly matched with...

    Text Solution

    |

  19. Which one of the following categories of animals, is correctly describ...

    Text Solution

    |

  20. Match column I with column II and select the correct option from the g...

    Text Solution

    |