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Online Short Questions For Chapter 8 "12th Class Biology Chapter 22 Short Questions Preparation "
Try The Short Questions For 12th Class Biology Chapter 22 Short Questions Preparation
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Total Questions10
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Available Sets6
Biology - 12th Class Biology Chapter 22 Short Questions Preparation
Question # 1
Differentiate between autosome and sex chromosomes.
- Ans 1: Autosome chromosomes: Chromosomes which do not contain genes for sex determination or chromosomes other than sex chromosomes are called autosomes.
- Ans 2: Sex chromosomes: Chromosomes which play role in sex determination are called sex chromosomes.
12th Class Biology Chapter 22 Short Questions Preparation - Set 1
Question # 1
Differentiate between autosome and sex chromosomes.
- Ans 1: Autosome chromosomes: Chromosomes which do not contain genes for sex determination or chromosomes other than sex chromosomes are called autosomes.
- Ans 2: Sex chromosomes: Chromosomes which play role in sex determination are called sex chromosomes.
12th Class Biology Chapter 22 Short Questions Preparation - Set 2
Question # 1
What is nullo gametes?
- Ans 1: A gamete without sex chromosomes is called nullo gamete.For Example Grasshopper male produce 50% nullo gametes and 50% with sex chromosomes.
12th Class Biology Chapter 22 Short Questions Preparation - Set 3
Question # 1
What is contribution of Carl Correns in genetics?
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Ans 1: Carl Correns discovered the phenomenon of incomplete dominance.
He crossed red flowered 4 O clock plant with while flowered 4 O clock plant.In f1pink flowers were produced instead of red color was dominant.He again crossed pink flowers from F1,in F2 red,pink white flowers obtained with ratio 1:2:1 respectively.
12th Class Biology Chapter 22 Short Questions Preparation - Set 4
Question # 1
Why is blood group AB called as universal recipient?
- Ans 1: AB blood group is called recipient because they have both A and B antigens but no antibodies,so they can easily accept or receive any type of blood group i.e,A,B,AB or O
12th Class Biology Chapter 22 Short Questions Preparation - Set 5
Question # 1
What is the product rule?
- Ans 1: When two independent events are occurring simultaneously like in dihybrid cross,the ratio of each joint phenotypic combination can be obtained by multiplying the probabilities of individual phenotypes. It is called product rule.
12th Class Biology Chapter 22 Short Questions Preparation - Set 6
Question # 1
What is the product rule?
- Ans 1: When two independent events are occurring simultaneously like in dihybrid cross,the ratio of each joint phenotypic combination can be obtained by multiplying the probabilities of individual phenotypes. It is called product rule.
12th Class Biology Chapter 22 Short Questions
Here you can prepare 12th Class Biology Chapter 22 (Variation and Genetics). Click the button for 100% free full practice.
