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प्रश्न
Humans are ______.
विकल्प
oviparous
viviparous
ovoviviparous
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उत्तर
Humans are viviparous.
Explanation:
Sexually reproducing organisms like humans that give birth to young ones directly. In this case, the development of the zygote occurs within the body of the organism. Such organisms are called viviparous.
संबंधित प्रश्न
Identify True/False statement. Correct false statement to make it true.
Spermatozoa get nutrition from Sertoli cells.
Identify True/False statement. Correct the false statement to make it true.
Leydig cells are found in the ovary.
Describe the T.S. of human testis
Differentiate between Human skin cell and Human ovum (number of chromosomes).
Differentiate between Rod cells and cone cells (pigment)
Given alongside is a diagram of male reproductive system in humans. Label the parts indicated by numbers 1 to 5, and state their functions.
Fill in the blank:
The sac-like structure present outside the body and which contains testes is called _________.
Differentiate between vas deferens and vasa efferentia.
Differentiate between spermatogenesis and spermiogenesis.
Given on the right is a diagram which represents the reproductive organs of a man:
(i) Write the names of the parts numbered 1 to 16.
(ii) Give two functions of the part 6.
(iii) Name three components of the fluid which may be found in the tube labeled 2.
(iv) What is the main function of the part labelled 3?
Given below is the outline of the male reproductive system.
(i) Name the parts labeled 1 to 5.
(ii) State the functions of the parts labeled 1 and 4.
(iii) Name the cells of part 5 that produce testosterone.
(iv) Why is structure 5 present outside the body in the scrotal sacs?
(v) What is semen?
How is the semen produced?
Identify the INCORRECTLY labelled structure in the given diagram of the male reproductive system.
Cowper's gland is homologous in function to ______
lf vasectomized man attempts to rape, then the presence of which of the following confirms it?
Seminal plasma in humans is rich in ______.
Spot the odd one out from the following structures with reference to the male reproductive system.
What is the length of the sperm?
Choose the odd one out from the group of terms given below and write the category for the remaining terms:
Given below is the outline of the male reproductive system. Name the parts labelled 1 to 8. Also name the corresponding structure of part (4) in female reproductive system.
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