MCQ
Louis Pasteur's view on the origin of life is that
- ALife originated within six days
- ✓Life originated spontaneously from the living organisms only
- CLife originated spontaneously from the non-living substances
- DLife came from other planet
✓
Answer
Correct option: B.
Life originated spontaneously from the living organisms only
b
It's Obvious
It's Obvious
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(i) The urethra originates from the urinary bladder and extends through the penis to its external opening called urethral meatus.
(ii) Glanspenis is covered by a loose fold of skin called foreskin.
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(i) The urethra originates from the urinary bladder and extends through the penis to its external opening called urethral meatus.
(ii) Glanspenis is covered by a loose fold of skin called foreskin.
(iii) The male accessory glands include paired seminal vesicles, a prostate and paired bulbourethral glands.
(iv) Secretions of male accessory glands constitute the seminal plasma which is rich in fructose, calcium and certain enzymes.
Match the following:
→|
Column $-I$ |
Column $-II$ |
Column $-III$ |
|
$X.$ $RBC$ |
$P.$ Nucleated |
$A.$ $5-5.5$ Million |
|
$Y.$ Monocytes |
$Q.$ granulocyte |
$B.$ $2-3\%$ |
|
$Z.$ Eosinophil |
$R.$ Lack of nucleus |
$C.$ $6-8\%$ |
|
|
$S.$ Lack of $Hb$ |
$D.$ $20-25\%$ |
According to one of the theories of ageing, the decline and disappearance of which gland by late middle age is the primary cause of ageing
Animals devoid of respiratory, excretory and circulatory organs are