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Maharashtra State BoardSSC (English Medium) 10th Standard

Hormones secreted by the ovary of the female reproductive system. - Science and Technology 2

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Question

Hormones secreted by the ovary of the female reproductive system.

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Solution

Progesterone, Estrogen

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Chapter 3: Life Processes in Living Organisms Part - 2 - Name the following

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SCERT Maharashtra Science and Technology 2 [English] 10 Standard SSC
Chapter 3 Life Processes in Living Organisms Part - 2
Name the following | Q 3

RELATED QUESTIONS

Write two major functions of ovary.


Describe the development of a fertilized ovum upto implantation.


Differentiate between:  

Implantation and pregnancy 

 


Differentiate between Identical twins and fraternal twins. 


Name the following:
The parts of the ovary containing mature ovum.


Given here is a section of the female reproductive system of human beings.

Name the part where fertilisation occurs in human beings.


The below diagram represents the vertical view of the human female reproductive system.

(i) Label the parts indicated by the guidelines 1 to 8.
(ii) How does the uterus prepare for the reception of a zygote?
(iii) What happens to the uterus if fertilization takes place?
(iv) What happens to the uterus if fertilization has failed to take place?


Observe the diagram and answer the following questions.

  1. Label the indicated parts 1, 2 and 3 in the diagram.
  2. Where the fertilization of ovum occurs?
  3. Where does the embryo get implanted after fertilization?

Complete the table.

Sex/Gender Reasons of infertility
Female  
Male  

After fertilization the ovary develops into ______.


Contraction of which muscles are responsible for causing labour during parturition?


Penis is homologous to ____________.


The second maturation division of the mammalian ovum occurs ______.


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Which one is correct for mammalian testis?


To answer the question, study the graphs below for Subjects 1 and 2 showing different levels of certain hormones.

For subject 2 it is observed that the peak for hormone B has reached the plateau stage. After approximately how much time will the curve for hormone B descend?


When the foetus is growing inside the uterus it needs nutrients. Which part provides these nutrients?


Read the following and answer from given below:

During copulation, semen is released by the penis into the vegina. The motile sperms swim rapidly, fuse with the ovum in the ampullary region, resulting in fertilization. The haploid nucleus of sperm fuses with that of the ovum to form a diploid zygote.

What is the signifacance of fertilisation?


State whether the following statement is True or False. If false, correct the statement:

In adult human females, a single mature egg is released into an oviduct every month.


Choose the odd one out from the group of terms given below and write the category for the remaining terms:


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