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The central part of the proximal region ...

The central part of the proximal region of the centriole is proteinaceous and called the `overset("A")"___________"`. Which is connected with tubules of the peripheral triplets by `overset("B")"___________"` made of protein.

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A-hub, B-radial spokes
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Fill up the blanks in the following paragraph by selecting the correct option. Human beings have a significant ability to maintain and moderate the respiratory rhythm to suti the demands of the body tissues. This is done by the neural system. A specialised centre present in the medulla region of the brain called overset((i))"_______" is primarily responsible for this regulation. Another centre present in the pons region of the brain called overset((ii))"_______" can moderate the functions of the repiratory rhytm cenre. Neutral signal from this cenre cen reduce the duration of overset((iii))"_______" and thereby alter the respiratory rate. A overset((iv))"_______" is situated adjacent to the rhythm centre which is highly sensitive to CO_(2) and hydrogen ions.

Consider the following statements A-D with incomplete spaces : A. Although the plant is infected with a virus , the apical and axillary overset((i))("_______") is free of virus. B. Around three billion people in the world suffer from overset((ii))("_______"), overset((iii))("_______") and overset((iv))("_______") , deficiencies or hidden hunger. C. Alternate sources of proteins for animals and human nutrition is overset((v))("_______") like overset((vi))("_______") D. Whole plants could be generated from any part of the plant called overset((vii))("_______") and this capacity is called overset((viii))("_______")

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)"______" .

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?

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") "____"

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 ?

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 ?

ALLEN-CELL : THE UNIT OF LIFE-Cilia And Flagella, Centriole
  1. The network of tiny tubular structures scattered in the cytoplasm is c...

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  2. Which cell organelle is surrounded by amorphous pericentriolar materia...

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  3. Cilia and flagella are emerge from centriole-like structure called:-

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  4. Which small structures of cell work like oars?

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  5. How many radial spokes are present in internal structure of cilia?

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  6. In axoneme of cilia how many radially arranged peripheral doublet of m...

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  7. Which cellular structure organisation is like the cartwheel?

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  8. Which cellular structure is responsible for risinig of spindle apparat...

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  9. In centriole radial spoke is made of:-

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  10. Arrangement of axonemal microtubules in cilia or flagella is:-

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  11. In cilia the central tubules are connected by (A) and is also enclosed...

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  12. Both centrioles in a centrosome lie .... ( i ) .... to each other and ...

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  13. In centriole each peripheral fibril is a.

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  14. The central part of the proximal region of the centriole is proteinace...

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  15. Eukaryotic flagellum is comparatively smaller than cilia

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  16. How do bacterial flagella differ from eukaryotic flagella?

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  17. The cytoskeleton in a cell is involved in mechanical support and motil...

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  18. In cilia, peripheral doublets are interconnected by radial spoke

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  19. The electron microscopic study of a eukaryotic cilium shows that they ...

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  20. Centriole is made of nine unevenly spaced peripheral fibrils of tubuli...

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