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Karnataka Board PUCPUC Science 2nd PUC Class 12

Draw a labelled diagram of a Graafian Follicle.

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Question

Draw a labelled diagram of a Graafian Follicle.

Diagram
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Solution 1

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Solution 2

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Chapter 2: Human Reproduction - EXERCISES [Page 40]

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NCERT Biology [English] Class 12
Chapter 2 Human Reproduction
EXERCISES | Q 14. | Page 40
Nootan Biology [English] Class 12 ISC
Chapter 2 Human Reproduction
NCERT EXERCISES | Q 14. | Page 116

RELATED QUESTIONS

Give the name and function for ‘A’ and ‘B’ from the diagram given below


The following is the illustration of the sequence of ovarian events (a − i) in a human female

(i) Identify the figure that illustrates ovulation and mention the stage of oogenesis it represents.

(ii) Name the ovarian hormone and the pituitary hormone that have caused the above mentioned event.

(iii) Explain the changes that occur in the uterus simultaneously in anticipation.

(iv) Write the difference between ‘c’ and ‘h’.

(v) Draw a labeled sketch of the structure of a human ovum prior to fertilization.


Draw a labelled diagram of sperm.


Identify True/False statement. Correct the false statement to make it true.

Oogenesis takes place in the corpus luteum.


Name the functions - Acrosome of sperm.


In case of sexual reproduction, newborn show similarities about characters. Explain this statement with suitable examples. 


Describe the process of oogenesis in human female.


The process which the sperm undergoes before penetrating the ovum is ____________.


The following is the illustration of the sequence of ovarian events (a-i) in a human female.

Identify the figure that illustrates ovulation and mention the stage of oogenesis it represents.


First meiotic division is observed in ____________.


By which process sperms released from the seminiferous tubules?


Identify the wrong statement from the following.


Gray crescent is the area ______.


Besides activating the egg another role of a sperm is to carry ______ to egg.


Which of the following groups of cells in the male gonad, represent haploid cells?


Which of the following is a primary sex organ of female?


Which of the following are called dual gland?


Penetration of the sperm in the ovum is followed by ______


What does the figure represent?


In the process of fertilization, this is true:


3-celled male gamete develops in:


Which of the following cells during gametogenesis is normally diploid?


The spermatogonia undergo division to produce sperms by the process of spermatogenesis. Choose the correct one with reference to above.


During reproduction, the chromosome number (2n) reduces to half (n) in the gametes and again the original number (2n) is restored in the offspring. What are the processes through which these events take place?


Given below are two statements.

  • Statement I: The spermatids are non-motile and non-functional which get transformed into functional spermatozoa by the process of spermiogenesis.
  • Statement II: During the process of this change, the spermatids remain held to each other and to Leydig's cells by cytoplasmic bridges.

In light of the above statements, select the correct answer from the option given below.


The process of gametogenesis is initiated by ______ and ______ hormones respectively.


Match List - I with List - IІ.

List - I List - II
A. Head I. Enzymes
B. Middle piece II. Sperm motility
C. Acrosome ΙII. Energy
D. Tail IV. Genetic material

Choose the correct answer from the options given below:


At the onset of puberty, gonadotropin releasing hormone is secreted by ______.


Complete the analogy with respect to the structure of sperm.

Nebenkern : ‘X’ : : Acrosome is formed from : ‘Y’


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