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[A] : In Mammals sweat glands are prima...

[A] : In Mammals sweat glands are primarily concerned with regulations of body heat.
[R]: Sweat glands are absent on lip margins.

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

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The correct Answer is:
B
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[A] : Mammals lack mucous glands in their skin. [R] : The epidermis has many layers of cells.

[A] : Pancreas is the second largest of the di- gestive glands. [R]: It plays a dual role in the body serving as both exocrine and an endocrine gland.

Go through the following statements (i) Mammary glands are modified sweat glands and each mammary gland consists of 15-25 lobules of the compund tubulo-alveolar type. (ii) The tertiary follicle is characterised by a fluid filled cavity called antrum (iii) Both LH and FSH attain a peak level towareds the middle of teh menstrual cycle (iv). In oogenesis, both first and second meiotic divison are unequal Which of these are correct?

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TRUEMAN BIOLOGY-Animal Physiology -ASSERTION AND REASON
  1. [A] : Mammals lack mucous glands in their skin. [R] : The epidermis ...

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

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

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  4. [A] :Spennatogenesis occurs in the seminiferous tubules of the testes ...

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

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

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

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

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

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

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  11. Assertion : In placental mammals the placenta is connected to the e...

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  12. Assertion: Smaller the organism higher is the rate of metabolism per g...

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  13. [A] : Haversian canals are inter connecting canals that run usually lo...

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  14. [A]: Conjunctiva is composed of squamous epithelium and is continuous ...

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  15. [A]: During ovarian cycle follicles are con- trolled by gonadotropic h...

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  16. [A] : Hydrostatic pressure in blood forces water and other solutes of...

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  17. [A] : Emboly involves the invagination and involution. Enmbloy is ex...

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  18. [A] : Testes are attached to abdominal wall by a ligament and under te...

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  19. [A]: Taste buds are called the sense organs for olfaction [R]: Tas...

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  20. (A]: Little rotation and bending of the vertebral column is possible. ...

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