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Biology 1525 MCQs [All-Courses]

Biology covers key concepts of life, organisms, and human systems with exam-focused notes for PPSC, FPSC, KPPSC, BPSC.,NTS, OTS, AJKPSC. Clear, concise topics help students prepare effectively for competitive tests.

If two opposite alleles come together, one finding morphological expression masking the other, the fact is described as law of _________ ?

A Inheritance

B Dominance

C Limiting factor

D Segregation

Review Detailed Answer

Correct Answer: Dominance

The sum of genes in a population is called ________?

A Genotype

B Karyotype

C Gene pool

D Lethal gene

Review Detailed Answer

Correct Answer: Gene pool

Laws of segregation and dominance were given by ________?

A Darwin

B Morgan

C Mendel

D De Vries

Review Detailed Answer

Correct Answer: Mendel

A gene is said to be dominant, if _________?

A It is never expressed in any condition

B It is expressed only in heterozygous

C It expresses its effect only in heterozygous state

D It is expressed both in heterozygous and heterozygous condition

Review Detailed Answer

Correct Answer: It is expressed both in heterozygous and heterozygous condition

Chromatid is _________ ?

A One half of chromosome

B Haploid chromosome

C Complete chromosome

D Duplicate chromosome

Review Detailed Answer

Correct Answer: One half of chromosome

A giant chromosome with a number of chromonemeta is ________ ?

A Lampbrush chromosome

B Hetero chromosome

C Supernumerary chromosome

D Polytene chromosome

Review Detailed Answer

Correct Answer: Polytene chromosome

Y-chromosome is _________?

A Acrocentric

B Telocentric

C Submetacentric

D Acentric

Review Detailed Answer

Correct Answer: Acrocentric

X-chrosome is _________?

A Telocentric

B Submetacentric

C Acrocentric

D Acentric

Review Detailed Answer

Correct Answer: Submetacentric

A chromosome with centromere near the middle is called _________ ?

A Metacentric

B Submetacentric

C Acrocentric

D Telocentric

Review Detailed Answer

Correct Answer: Submetacentric

Homologous chrosomes which are present in male and female both are known a _________?

A Heterosomes

B Replosomes

C Androsomes

D Autosomes

Review Detailed Answer

Correct Answer: Autosomes

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Biology 1525 MCQs [All-Courses]

All Topics 1525

All Topics 1525

If two opposite alleles come together, one finding morphological expression masking the other, the fact is described as law of _________ ?

The sum of genes in a population is called ________?

Laws of segregation and dominance were given by ________?

A gene is said to be dominant, if _________?

Chromatid is _________ ?

A giant chromosome with a number of chromonemeta is ________ ?

Y-chromosome is _________?

X-chrosome is _________?

A chromosome with centromere near the middle is called _________ ?

Homologous chrosomes which are present in male and female both are known a _________?