Heredity And Evolution Mock Tests

14 questions available

Heredity And Evolution Mock Test 1

Questions: 14

नमूना प्रश्न

Class 10 Science

In the periodic table, elements in the same group have the same number of:

A Neutrons

B Protons

C Valence electrons

D Total electrons in all shells

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 modern periodic table, which of the following elements has the highest electronegativity?

A Fluorine

B Chlorine

C Sodium

D Potassium

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 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

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

Which of the following statements about the arrangement of groups and periods in the modern periodic table is correct?

A Groups are horizontal rows; periods are vertical columns

B Groups are vertical columns; periods are horizontal rows

C Both groups and periods are horizontal rows

D Both groups and periods are vertical columns

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

Heredity And Evolution Mock Tests

Heredity And Evolution Mock Test 1

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