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Online Short Questions For Chapter 4 "12th Class Biology Chapter 18 Short Questions Preparation "
Try The Short Questions For 12th Class Biology Chapter 18 Short Questions Preparation
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Total Questions10
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Available Sets6
Biology - 12th Class Biology Chapter 18 Short Questions Preparation
Question # 1
What are functions of sertoli cells?
- Ans 1: Fluid secreted by sertoli cells provides liquid medium, protection and nourishment to sperms while they are in tubules.
12th Class Biology Chapter 18 Short Questions Preparation - Set 1
Question # 1
What are functions of sertoli cells?
- Ans 1: Fluid secreted by sertoli cells provides liquid medium, protection and nourishment to sperms while they are in tubules.
12th Class Biology Chapter 18 Short Questions Preparation - Set 2
Question # 1
What are functions of sertoli cells?
- Ans 1: Fluid secreted by sertoli cells provides liquid medium, protection and nourishment to sperms while they are in tubules.
12th Class Biology Chapter 18 Short Questions Preparation - Set 3
Question # 1
Differentiate between tissue culture and cloning.
- Ans 1: Tissue Culture: It is the growth of a tissue or plant in an artificial growth culture medium under aseptic conditions.
- Ans 2: Cloning: It is asexual reproduction in which genetically identical organisms are produced from a single species.
12th Class Biology Chapter 18 Short Questions Preparation - Set 4
Question # 1
Define gonorrhea and AIDS.
- Ans 1: Gonorrhea is caused by gram positive bacteria called Neisseria gonorrhoeae,mainly affecting the mucous membrane of urinogenital tract. New born infants may acquire serious eye infection if they pass through infected birth canal. It is highly contagious through sexual contact.
- Ans 2: AIDS:It is caused by AIDS virus (acquired immune deficiency virus) mainly destroy the WBCs (Iymphocytes) so immune system becomes weak. It is also transmitted from infected person through sexual contact.
12th Class Biology Chapter 18 Short Questions Preparation - Set 5
Question # 1
What are test tube babies?
- Ans 1: Parental sperms and ovum is fertilized in vitro,(outside the female body) and then zygote is implanted back into mother uterus, placenta established and remaining development takes place in the body of the mother leading to normal birth.
12th Class Biology Chapter 18 Short Questions Preparation - Set 6
Question # 1
What is the role of P730 phytochrome in flowering?
- Ans 1: P730 induce flowering in long day plant while inhibit flowering in short day plants.
12th Class Biology Chapter 18 Short Questions
Here you can prepare 12th Class Biology Chapter 18 (Reproduction). Click the button for 100% free full practice.
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