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1. A child who inherits Y chromosome from father will be:
A. Girl
B. Boy
C. Both
D. None
2. Mendel’s success was due to combining biology with:
A. Geography
B. Physics
C. Mathematics
D. Chemistry
3. If light-coloured eyes occur in children of parents with light eyes, the dominance or recessiveness of the trait:
A. Can be concluded
B. Cannot be concluded
C. Is always dominant
D. Is always recessive
4. TT and Tt combinations produce which type of plant?
A. Short
B. Medium
C. Tall
D. Wrinkled
5. Traits expressed even in heterozygous condition are called:
A. Neutral
B. Recessive
C. Dominant
D. Mutated
6. Which scientist is regarded as the father of genetics?
A. Darwin
B. Mendel
C. Lamarck
D. Watson
7. Mendel studied inheritance in which plant?
A. Maize
B. Pea
C. Wheat
D. Rice
8. Mendel observed no ‘medium-height’ plants in F1 because:
A. Blending occurred
B. Tall trait was dominant
C. Short trait was dominant
D. Both traits expressed equally
9. When tall plant with round seeds and short plant with wrinkled seeds are crossed, F1 progeny show:
A. Short and wrinkled
B. Tall and round
C. Tall and wrinkled
D. Short and round
10. In F2 generation, new trait combinations like tall with wrinkled seeds appear due to:
A. Mutation
B. Independent inheritance
C. DNA copying errors
D. Crossing over only
11. The ratio 9:3:3:1 is obtained in which cross?
A. Monohybrid
B. Dihybrid
C. Test cross
D. Back cross
12. In DNA, the information for traits is expressed through:
A. Hormones
B. Proteins
C. Sugars
D. Lipids
13. In humans, how many chromosomes are present in each germ cell?
A. 23
B. 46
C. 44
D. 22
14. Variations may ultimately lead to:
A. No survival
B. Evolutionary processes
C. Constant designs
D. Elimination of all species
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