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

Which of the following statements are correct regarding secretion oxynthic cells?
(i) It denatures proteins and softens fibrous connective tissues in the blood.
(ii) It activates rennin.
(iii) It has a role in maturation of RBCs.
(iv) It activates trypsin.

A

I and iv

B

ii,iii and iv

C

I,ii and iii

D

I,ii,iv

Text Solution

Verified by Experts

The correct Answer is:
C
Secretions of oxyntic cells includes hydrochloric acid (HCl) and intrinsic factor. HCL has a role in denaturing proteins, activating rennin and provideing optimum pH for pepsin. Intrinsic factor has a role in abosrption of vitamin `B_(12)`. This vitamin is essential for proper maturation of RBCs.
Promotional Banner

Topper's Solved these Questions

  • CHEMICAL COORDINATION AND INTEGRATION

    NCERT FINGERTIPS|Exercise Chemical Coordination And Integration|135 Videos

  • EXCRETORY PRODUCTS AND THEIR ELIMINATION

    NCERT FINGERTIPS|Exercise Excretory Products And Their Elimination|133 Videos

Similar Questions

Explore conceptually related problems

Which of the following statement is correct regarding the nitric oxide? (i) It is reduced to hydroxylamine by SnCl_(2) (ii) It is reduced to N_(2)O by SO_(2) (iii) It plays an important role in respiration by controlling blood pressure. (iv) No is produced in the brain as messenger molecule of neurons.

How many of the following statements are correct regarding properties of enzyme ? (i) It lowers down the activation energy of the reaction . (ii) An active site of the enzyme is the pocket into which the substate fits . (iii) The catalytic structure of most of the enzyme is globular and primary . (iv) Carbonic anhydrase enzyme is considered as the fastest enzyme.

Which of the following statements is/are not correct regarding connective tissues ? (i) They are most abundant and widely distributed in the body of complex animals (ii) They connect and support other tissues (iii) They include diverse tissues such as bones, cartilage, tendons, adipose and other loose connective tissues. (iv) They form the internal and external lining of many organs (v) In all connective tissues except blood, the cells secrete fibres of structural proteins like collagen and elastin.

Which of the following statements are correct? I. Growth in plants can be indeterminate or determinate II. The final structure at maturity of a cell/ tissue is determined by the location in the plant body III. The act leading to maturation of meristems is termed as dedifferentiation. IV. A differentiated cell may undergo dedifferentiation and then redifferentiation

Which of the following statements are correct regarding muscle proteins ? (i) Actin is a thin filament and is mde up to two F-actin (ii) The complex protein, tropomyosin is distributed at regular intervals on the troponin (iii) Myosin is a thick filament which is also a polymerised protein. (iv) The globular head of meromyosin consists of light meromyosin (LMM).

Which of the following statement are correct for the enzyme Taq polymerase? (i) It remains active during the high temperature . (ii) It requies primers for carrying out the process of polymerization. (iii) It induces denaturation of double-stranded DNA.

NCERT FINGERTIPS-DIGESTION AND ABSORPTION-Digestion And Absorption
  1. Effect of some compounds (present in partially digested food) on pancr...

    Text Solution

    |

  2. Which of the following is the primary absorptive process in the large ...

    Text Solution

    |

  3. Which of the following statements are correct regarding secretion oxyn...

    Text Solution

    |

  4. Observe the given figure having arrows to illustrate the movement of a...

    Text Solution

    |

  5. Glands of the gut are of three types as shown in the figure Class...

    Text Solution

    |

  6. Which of the following is incorrect regarding the given digestion and ...

    Text Solution

    |

  7. Select what is not true of intestinal villi among followings.

    Text Solution

    |

  8. Hepato-pancreatic duct opens into the duodenum and carrues

    Text Solution

    |

  9. One of the following is not a common disorder associated with digestiv...

    Text Solution

    |

  10. A gland not associated with the alimentary canal is

    Text Solution

    |

  11. Mathc the two column and select the correct among option given. {:("...

    Text Solution

    |

  12. Match the two column and select the right one among option given {:(...

    Text Solution

    |

  13. Mathc the enzymes with their respective substrates and choose the righ...

    Text Solution

    |

  14. Dental formula in human beings is

    Text Solution

    |

  15. Liver is the largest gland and is associated with various functions, c...

    Text Solution

    |

  16. Mark the right statement among the following.

    Text Solution

    |

  17. Assertion: Human beings have two sets of teeth during their life. Re...

    Text Solution

    |

  18. Assertion: Oesophagus pierces the diaphragm and enters the abdominal ...

    Text Solution

    |

  19. Assertion : Caecum is a small blind sac which hosts some symbiotic mic...

    Text Solution

    |

  20. Assertion : Products of digestion are absorbed in the large intestine....

    Text Solution

    |