$I. $ Sperm cells immediately when they are released from the body and are placed in a petri plate remain alive for much longer duration.
$II.$ Semen contains chemicals that causes females smooth muscles to contract
$I. $ Sperm cells immediately when they are released from the body and are placed in a petri plate remain alive for much longer duration.
$II.$ Semen contains chemicals that causes females smooth muscles to contract
- A
Statement $I$ is true, but $II$ is false
- B
Both statements $I$ and $II$ are false
- C
Statement $I$ is false, but $II$ is true
- D
Both statements are true
Similar Questions
Which of the following represents a condition, where the motility of the sperms is highly reduced?
Which of the following represents a condition, where the motility of the sperms is highly reduced?
Ceasation of menstrual cycle at the age of $50$ is called
Ceasation of menstrual cycle at the age of $50$ is called
The human sperms were first seen and discovered by
The human sperms were first seen and discovered by
$A$ : Oxytocin acts on the uterine muscles and cause stronger uterine contractions, which in turn stimulates further secretion of oxytocin.
$R$ : Oxytocin is released from maternal pituitary
$A$ : Oxytocin acts on the uterine muscles and cause stronger uterine contractions, which in turn stimulates further secretion of oxytocin.
$R$ : Oxytocin is released from maternal pituitary
Assertion : Old age is not an illness. It is a continuation of life with decreasing capacity for adaptation.
Reason : Cessation of mitosis is a normal genetically programmed event.
Assertion : Old age is not an illness. It is a continuation of life with decreasing capacity for adaptation.
Reason : Cessation of mitosis is a normal genetically programmed event.
- [AIIMS 2003]