हिंदी
कर्नाटक बोर्ड पी.यू.सी.पीयूसी विज्ञान 2nd PUC Class 12

Match between the following representing parts of the sperm and their functions and choose the correct option.

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प्रश्न

Match between the following representing parts of the sperm and their functions and choose the correct option.

Column A Column B
A. Head i. Enzymes
B. Middle piece ii. Sperm motility
C. Acrosome iii. Energy
D. Tail iv. Genetic material

विकल्प

  • A-iv, B-iii, C-i, D-ii

  • A-iv, B-i, C-ii, D-iii

  • A-ii, B-i, C-iii, D-iv

  • A-ii, B-iv, C-i, D-iii

MCQ
जोड़ियाँ मिलाइएँ
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उत्तर

A-iv, B-iii, C-i, D-ii

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अध्याय 3: Human Reproduction - MULTIPLE CHOICE QUESTIONS [पृष्ठ १८]

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एनसीईआरटी एक्झांप्लर Biology Exemplar [English] Class 12
अध्याय 3 Human Reproduction
MULTIPLE CHOICE QUESTIONS | Q 10. | पृष्ठ १८

संबंधित प्रश्न

Write in sequence, the regions which a mature sperm travels from the seminiferous tubules up  to the urethral opening in the human male. 


Describe the functions of the following:  

Testis 


Give the functions of the following:
Testes 


With the help of labelled diagramms describe the structures of human sperm and unfertilized ovum. 
A couple is unable to conceive. Which modern techniques are available to overcome this problem? 


Write the functional activity of the following structure:

Seminal fluid


Hormones related to male reproductive system.


The increased level of estrogen and progesterone is responsible for menstruation.


Identify the INCORRECTLY labelled structure in the given diagram of the male reproductive system.


Identify the labels (a, b, c, and d) in the given diagram of the male reproductive system.

  


In the male reproductive system, the vasa deferens joins the ____________.


The ______ lead to vas deferens that ascends to the ______ and loops over the ______.


Increased secretion of which hormone start the process of sperm formation at the time of puberty?


Ejaculation of human male contains about 200 - 300 million sperms, of which for normal fertility ______% sperms must have normal shape and size and at least ______% must show energetic motility.


Seminal vesicles are located in ______.


Give two reasons for the appearance of variations among the progeny formed by sexual reproduction.


The Leydig cells as found in the human, body are the secretory source of ______.


Accessory glands of male reproductive system are


Given below is a certain situation. Analyze and describe its possible impact on a person:

Prostate and seminal vesicles are not functional.


What is the significance of the testes being located in scrotal sacs outside the abdomen?


Answer the following question based on the human male reproductive system:

Name any two unpaired organs of male reproductive system


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