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Heredity And Evolution Mock Tests

14 questions available

Heredity And Evolution Mock Test 1

Questions: 14

Sample Questions

Class 10 Science
The genetic DNA from which organ of the body is most commonly used in DNA fingerprinting in forensic science?
A Blood (white blood cells)
B Saliva (buccal cells)
C Hair (root cells)
D Bone marrow
Class 10 Science
In Mendel's experiment, when pure tall pea plants (TT) were crossed with pure short pea plants (tt), what was the phenotype of the F₁ generation?
A All tall plants
B All short plants
C 50% tall and 50% short
D 75% tall and 25% short
Class 10 Science
In a cross between pea plants with round seeds (RR) and wrinkled seeds (rr), all F₁ offspring have round seeds. When the F₁ plants are self-pollinated, what percentage of the F₂ generation will have wrinkled seeds?
A 25%
B 50%
C 75%
D 0%
Class 10 Science
In Mendel's experiment, when pure tall pea plants (TT) were crossed with pure short pea plants (tt), and the F₁ plants were self-crossed, the ratio of tall to short plants in the F₂ generation is:
A 1 : 1
B 3 : 1
C 2 : 1
D 9 : 1
Class 10 Science
In humans, the sex of the unborn child is determined by:
A The mother's genes alone
B The father's genes alone
C A combination of both parents' genes
D Random chance with no genetic basis
Class 10 Science
In the periodic classification of elements (as used by Mendeleev), the basis was:
A Atomic number
B Atomic mass
C Number of neutrons
D Similar properties
Class 10 Science
In the periodic table, an element X has electronic configuration 2, 8, 6. Which of the following statements about element X is correct?
A X is a metal and forms a cation with charge +2
B X is a non-metal and forms an anion with charge −2
C X is a noble gas
D X is a metalloid
Class 10 Science
In Mendel's monohybrid cross between TT and tt pea plants, the phenotype ratio in the F₂ generation is:
A 1:1
B 3:1
C 1:2:1
D 9:3:3:1

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