Sodium hydroxide solution turns red litmus blue Sodium hydroxide readily dissolves in water The beaker containing solution appears cold when touched from outside
Sodium hydroxide solution turns red litmus blue
Sodium hydroxide readily dissolves in water
The beaker containing solution appears cold when touched from outside
Functions: Ovary: (l) Production of female hormone/oestrogen and progesterone. (ii) Production of female gamete,/egg/germ cell. Oviduct: (l) Transfer of female gamete from the ovary. (ii) Site of fertilization. Uterus: (l) Implantation of Zygote/embryo. (ii) Nourishment of developing embryo. . PlaceRead more
Functions:
Ovary: (l) Production of female hormone/oestrogen and progesterone.
(ii) Production of female gamete,/egg/germ cell.
Oviduct: (l) Transfer of female gamete from the ovary.
(ii) Site of fertilization.
Uterus: (l) Implantation of Zygote/embryo.
(ii) Nourishment of developing embryo.
. Placenta is a special disc like tissue embedded in the mother’s uterine wall and connected to the foetus/embryo.
.Placenta provides a large surface area for glucose and oxygen/nutrients to pass from the mother’s blood to the embryo/foetus.
Four students A, B, C and D reported the following set of organs to be homologous. Who is correct?
(d) Forelimbs of cow, a duck and a lizard
(d) Forelimbs of cow, a duck and a lizard
See lessA student has obtained a point image of a distant object using the given convex lens. To find the focal length of the lens he should measure the distance between the:
(b) lens and the screen only
(b) lens and the screen only
See lessA student prepared 20% sodium hydroxide solution in a beaker to study saponification reaction. Some observations related to this are given below:
Sodium hydroxide solution turns red litmus blue Sodium hydroxide readily dissolves in water The beaker containing solution appears cold when touched from outside
Sodium hydroxide solution turns red litmus blue
Sodium hydroxide readily dissolves in water
See lessThe beaker containing solution appears cold when touched from outside
A student adds a small quantity of caustic soda to a test tube containing 2 mL of distilled water. He then shakes the test tube well and leaves it to settle for some time. After about 5 minutes he observes that in the test tube there is:
(a) a clear transparent colourless solution
(a) a clear transparent colourless solution
See lessWrite the functions of the following in human female reproductive system: Ovary, Oviduct, Uterus How does the embryo get nourishment inside the mother’s body? Explain in brief.
Functions: Ovary: (l) Production of female hormone/oestrogen and progesterone. (ii) Production of female gamete,/egg/germ cell. Oviduct: (l) Transfer of female gamete from the ovary. (ii) Site of fertilization. Uterus: (l) Implantation of Zygote/embryo. (ii) Nourishment of developing embryo. . PlaceRead more
Functions:
Ovary: (l) Production of female hormone/oestrogen and progesterone.
(ii) Production of female gamete,/egg/germ cell.
Oviduct: (l) Transfer of female gamete from the ovary.
(ii) Site of fertilization.
Uterus: (l) Implantation of Zygote/embryo.
(ii) Nourishment of developing embryo.
. Placenta is a special disc like tissue embedded in the mother’s uterine wall and connected to the foetus/embryo.
.Placenta provides a large surface area for glucose and oxygen/nutrients to pass from the mother’s blood to the embryo/foetus.
See less