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Identify the quantization equation of charge-
Q=ne;n can take the value ,n=1/2,3/2,5/2.......,e is electronic charge
2.Q=ne;n can take all real numbers(-∞,∞). and e is electronic charge
3.Q=ne;n can take integer value(n=0,1,2,3,4........) and e is electronic charge
4.Q=ne;n can takes only complex number .e is electronic charge
What is the primary function of the tapetum in an anther?
Protection
2.Nutrition
3.Pollen Production
4.Dehiscence
In alveoli (mammary gland) prolactin helps in the production of milk and oxytocin helps in the ejection of milk
Milk production in female takes place in
Alveoli
2.Mammary duct
3.Glandular tissue
4.Sertoli cells
Mammary glands are functional in all female organisms
External genitalia of women contains
Mons pubis
2.Vegina
3.Cervical canal
4.Labia majora
5.Labia minora
Cavity of the cervix is known as cervical canal
Which of the following statement is not true about ovaries
Ovum production takes place
2.It produces steroid hormones
3.It is 2to4 cm wide
4.Ovaries are connected with uterus and pelvis with the help of muscles
Which type of cells are contained in seminiferous tubules
Male germ cell
2.Sertoli cells
3.Alveoli
4.Leydig cell
Male reproductive system is located in abdominal cavity
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CBSE - Class 12
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