Home
Class 12
BIOLOGY
[A] : The central nervous system regulat...

[A] : The central nervous system regulates the release of saliva from the salivary glands.
[R]: Salivary glands release lipase into the mouth and begins the digestion of starch.

A

If both A and R are true and R is the correct explanation of A

B

If both A and R are true but R is not the correct explanation of A

C

If A is true and R is false

D

If both A and R are false

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • ANIMAL KINGDOM -NONCHORDATES

    TRUEMAN BIOLOGY|Exercise MCQ|283 Videos
  • APPLICATION OF BIOTECHNOLOGY

    TRUEMAN BIOLOGY|Exercise Multiple Choice Questions|122 Videos

Similar Questions

Explore conceptually related problems

How many salivary gland present in our mouth

Name the hormones which regulate synthesis and release of milk by mammary glands?

________ induces labour & also induces the release of milk from mammary gland.

Diabetes insipiduces labour & also induces the release of milk from mammary gland.

Salivary glands chromosome were discovered by Balbiani (1881) from the salivary glands of larva of

[A] : Leeches secrete Hirudin from their salivary glands . [R] : Hirudin is anticoagulating agent .

Go through the following statements . (i) Hypophysial portal vein carries blood from the hypothalamus to the anterior lobe of the pituitary gland. (ii) The central nervous system lacks lymphatic channels. (ii) The thoracic duct drains into the left subclavian vein. (iv) Hepatic portal vein is formed by the union of superior mesenteric vein and splenic vein. Which of these are correct ?

The three pairs of salivary glands in human mouth are ______ _______ and _______.

A pair of parallel horizontal conducting rails of negligible resistance shorted at one end is fixed on a table. The distance between the rails is L.A conducting massless rod of resistance R can slide on the rails frictionlessly. The rod is tied to a massless string which passes over a pulley fixed to the edge of the table. A mass m, tied to the other end of the string, hangs vertically. A constant magnetic field B exists perpendicular to the table. If the system is released from rest. Calculate (a) the terminal velocity achieed by the rod and (b) the acceleration of the mass at the instant, when the velocity of the rod is half the terminal velocity.

Which of the following organs does not secrete any digestive enzyme? 1. Salivary gland 2. Stomach 3. Pancreas 4. Liver

TRUEMAN BIOLOGY-Animal Physiology -ASSERTION AND REASON
  1. [A]: in mammalian heart there is a very swift conduction of stimulatio...

    Text Solution

    |

  2. [A] : Reduced blood can carry more CO2 than oxygenated blood. [R]:...

    Text Solution

    |

  3. [A] : The central nervous system regulates the release of saliva from ...

    Text Solution

    |

  4. [A] : Gall stones are pebble sized structures that formed in the gall...

    Text Solution

    |

  5. [A] : Upon stimulation of a muscle cell, cal- cium ions (Ca^(++)) are...

    Text Solution

    |

  6. [A]: Osteoporosis is a bone disorder that results from the loss of cal...

    Text Solution

    |

  7. [A] : In mammals, ends of presynaptic fibres are enlarged to form syn...

    Text Solution

    |

  8. [A] : Receptors located in tendons, joints and skeletal muscle give in...

    Text Solution

    |

  9. [A]: Lateral-line organs are important in connection with aquatic mode...

    Text Solution

    |

  10. [A] : Accomodation in the bird's eye is con- trolled by the ciliary ap...

    Text Solution

    |

  11. [A] : Mammals lack mucous glands in their skin. [R] : The epidermis ...

    Text Solution

    |

  12. [A] : In old age, the skin gets wrinkled. [R]: Epidermis has a sin...

    Text Solution

    |

  13. [A] : In Mammals sweat glands are primarily concerned with regulation...

    Text Solution

    |

  14. [A] : [A]: Spermatogenesis occurs in the seminiferous tubules of the t...

    Text Solution

    |

  15. Statement 1 : In a Graafian follicle, the primary cell, the and the f...

    Text Solution

    |

  16. [A] : Amniotic fluid serves as a protective cushion. [R]: It breaks...

    Text Solution

    |

  17. [A]: Entry of sperm brings about a rearrangement of materials of cytop...

    Text Solution

    |

  18. A : in morula stage the cells divide without any increase in siz...

    Text Solution

    |

  19. [A]: Brain does not affect in the absence of glucose. [R]: Glucose ...

    Text Solution

    |

  20. [A]: After operation, menstrual cycle in woman may be stopped. [R]...

    Text Solution

    |