Advertisements
Advertisements
Question
Do all organisms give birth to individuals like humans?
Solution
No, all organisms don't give birth to humans. For example, a hen lays eggs.
APPEARS IN
RELATED QUESTIONS
How many pairs of chromosomes are present in human beings? Out of these how many are sex chromosomes?
The diagram given below is that of a developing human foetus. Study the diagram and then answer the questions that follow:
(i) Label the parts numbered 1 to 3 in the diagram.
(ii) Mention any two functions of the part labelled 2 in the diagram.
(iii) Explain the significance of the part numbered 3 in the diagram.
(iv) Define the term ‘Gestation’. What is the normal gestational period of the developing human embryo?
(v) Mention the sex chromosomes in a male and female embryo.
What is ovulation? How often does it happen in human females?
Define the following:
Sexual reproduction
Define the following:
Implantation
What are the signs of puberty in human males and females?
Define the four stages in the uterine cycle.
Differentiate
Urinogenital system and Urinary system.
Gestation period in man
Arrange and rewrite the terms in the group in the correct order to be in a logical sequence beginning with the term that is underlined:
Testis, Urethra, Sperm duct, epididymis.
