HOW DO ORGANISMS REPRODUCE: Short Answer Type Questions Class 10th Chapter 10 JKBOSE/NCERT Short Answer Type Questions Question 1. List and explain in brief three methods of contraception. Ans: Three methods of contraception: a) Barrier Methods: Barrier methods of contraception involve the use of physical barriers to prevent sperm from reaching the egg. Examples include […]
Name two unisexual and two bisexual flowers.
Ans: Two examples of unisexual flowers are:
Papaya: It has separate male and female flowers on different plants.
Watermelon: It also has separate male and female flowers on different plants.
Two examples of bisexual flowers are:
Rose: It has both male stamens and female pistils within the same flower.
Sunflower: It also has both male and female reproductive structures within the same flower.
Question: Define Fertilization. Briefly enlist the events that take place during Fertilization.
Answer: Fertilization is the fusion of a sperm cell and an egg cell to form a single cell that has genetic material from both the egg and the sperm.
Events that take place during Fertilization:
1. Sperm binds to the egg and penetrates its outer layer.
2. The sperm and egg nuclei fuse, forming a single nucleus.
3. The egg is activated and begins the process of cell division.
4. The zygote begins to divide into two cells, then four cells, and so on.
5. The zygote starts to travel down the fallopian tube towards the uterus.
