Cbse class 10 biology how do organisms reproduce notes
Answers
Explanation:
upVery short answer type question:
Note: each question carries 1 mark.
1) What is reproduction?
2) Have you seen seeds of rose or potato? Name some plants whose seeds you may have seen.
3) Can an amoeba and hydra reproduce like human beings?
4) What changes are observed in the uterus if fertilization occurs?
5) Define fertilization?
Short answer type questions
Note: each question carries two marks:
1) In the human body, what is the role of (a) seminal vesicles (b) prostate gland?
2) State the difference between menarche and menopause?
3) What is variation? Mention the importance of DNA copying in reproduction.
HIGHER ORDER THINKING SKILLS (HOTS) QUESTIONS
1) Give two reasons for the appearance or variation among the progeny formed by sexual reproduction.
2) Colonies of yeast fail to multiply in water but multiply in sugar solution. Give one reason.
3) Malaria parasite divides into many daughter individual simultaneously through multiple fission. State an advantage the parasite gets because of this type of reproduction.
4) What is the importance of DNA copying in reproduction?
5) How does reproduction help in providing stability to population of species?
6) Why is vegetative propagation practised for growing some types of plants?
7) Why would be the reason for adopting contraceptive methods ?
8) Name those parts of flower , which serve the same function as the following do in the animals a) testies b) Eggs, c) Ovary ,d) Sperms
9)What is the difference between albuminous and exalbuminous seeds?
10)Difference between Fragmentation and Regeneration
11)Differentiate between radicle and plumule.
12)explain the process of regeneration in planaria?
this questions are very important according to examination point of view.