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Question
Humans are ______.
Options
oviparous
viviparous
ovoviviparous
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Solution
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.
RELATED QUESTIONS
Humans reproduce ______.
Distinguish between the following pair of terms:
Egg and sperm.
Name the following:
The tubular knot fitting like a cap on the upper side of the testis.
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
Choose the correct answer:
Removal of testes is called ____________
Name the various organs of the male reproductive system of man.
The diagram shown below is the lateral section of the testis of man. Study it carefully and answer the questions that follow:
(i) Label the part I to 4 of the diagram.
(ii) State the functions of the parts labeled 1 and 2.
Name the Following
The accessory gland in human males whose secretion activates the sperms.
Give Technical Term:
Name the male reproductive cells of mammals.
Name the secondary sex organs in males.
What is the enzyme present in the acrosome of sperm?
Identify the accessory sex gland consisting of 20-30 separate lobes and secreting about 30% of semen.
The ejaculatory ducts open into the ______.
Identify the approximate number of lobules present in the testis.
Which of the following produces sperms in spermatogenesis?
Write briefly about the Testis.
What is the significance of the testes being located in scrotal sacs outside the abdomen?
Match the items given in Column I with the most appropriate ones in Column II and rewrite the correct matching pairs:
| Column I | Column II | ||
| (a) | Leydig Cells | 1. | Lack of thyroxine in children |
| (b) | Stoma | 2. | 12 pairs |
| (c) | Ova | 3. | Testosterone |
| (d) | Cranial nerve | 4. | Diffusion of respiratory gases |
| (e) | Cretinism | 5. | Haploid cells |
| 6. | 31 Pairs | ||
| 7. | Diploid cells |
Choose the odd one out from the group of terms given below and write the category for the remaining terms:
