Principles of inheritance and variations (chapter 5) MCQ for class 12th Biology
Chapter 5 Biology MCQ
Chapter5 : principles of inheritance and variations
1.Which of the following plant in mendal find success ?
a) Bamboo plant
b) Moss
c) Embryophyte
d) pea plant
Answer: Pea plant
2.Mendal was born in?
a) 17 July 1868
b) 16 july1878
c) 12 July 1989
d) 22 July 1822
Answer: 22 July 1822
3.When two gene cross on a Chromosome well show as ?
a) Dihybrid cross
b) Monohybrid cross
c) No crossing over
d) trihybrid cross over
Answer: No crossing over
4. Father of genetic is called?
a) Dr Sutton bovery
b) Alec jafferson
c) Aristotle
d) Mendal
Answer: Mendal
5.Punnet Square was developed by ?
a) William kinson
b) Davis William
c) Raginal punnett
d) David
Answer: Raginal punnett
6. The allele which is unable to express it's effect in the presence of another is called ?
a) Equally
b) Cross
c) Dominance
d) Recessive
Answer: Recessive
7.Mendel,s second law is ?
a) Independent assortment
b) law of degradation
c) law of segregation
d) law of domince
Answer: independent assortment
8.An organisms with two different (unlike) gene is trait is called?
a) homosexually
b) Hemorrhage
c) Homogeneous
d) Heterozygous
Answer: Heterozygous
9.Exception of Mendel law is ?
a) Segregation
b) linkages
c) Hetromorphic
d) Heterozygous
Answer: linkage
10.haemophila is a?
a) chromosal Disorders
b) turner syndrom
c) Down syndrome
d) Mendelian Disorders
Answer: Mendelian Disorders
11. Down syndrome is a ?
a) linkage disorders
b) Mendelian disorders
c) Chromosal disorders
d) Chromosal theory
Answer: Chromosal disorders
12 .who introduced the Chromosal theory of inheritance?
a) Thamos
b) Alec jafferez
c) mendel
d) Sutton
Answer: Sutton
13.Mendel published his work on inheritance of character in?
a)1999
b)1867
c)1767
d) 1865
Answer: 1865
14. Name the three mendel law?
a) law of Dominance
b) law of assortment
c) law of Segregation
d) All of these
All of these
15.What are Mendel factor called Now Days ?
a) law of attraction
b) Mendlian order
c) Chromosal theory
d) Gene encoded by DNA
Answer: Gene encoded by DNA