Advertisements
Advertisements
प्रश्न
Humans are ______.
पर्याय
oviparous
viviparous
ovoviviparous
Advertisements
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
Describe the structure of a seminiferous tubule.
What is the full form of IVF?
Given alongside is a diagram of male reproductive system in humans. Label the parts indicated by numbers 1 to 5, and state their functions.
Write in sequence, the regions which a mature sperm travels from the seminiferous tubules up to the urethral opening in the human male.
Sketch the labeled diagram:
Human male reproductive system
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?
Name the Following
The site of production of sperms in man.
Name the Following
The structure in which testes are present in man.
Write the functional activity of the following structure:
Seminal fluid
Find an odd one out.
Hormones related to male reproductive system.
What is the enzyme present in the acrosome of sperm?
Identify the condition in wtrich the testis fails to descend from abdomen into scrotum, leading to sterility.
Identify the number of spermatids produced from 1 secondary spermatocyte.
Which hormone controls the secondary sexual characters in males?
Urinogenital duct is the ____________.
Which of the following is a transporting tube leading from the bladder to which brings urine outside the body via penis?
Assertion (A): Testes in human males are located outside the abdominal cavity in scrotum.
Reason (R): Scrotum provides a lower temperature than the normal body temperature for sperm formation.
The packing tissues between the coils of the seminiferous tubules are called as ______.
