Question # 1

Pink flowered four o clock plant is an example of:

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Incomplete dominance

Co-dominance

Complete dominance

None of these

Specific proteins have specific number and sequence of:

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Enzymes

Amino acids

Locus

Allele

Cytocine always pairs with:

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Guanine

Adenine

Uracil

Thymine

Branch of biology that deals with the study of inheritance is called as:

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Artificial selection

Natural selection

Genetics

Histology

The allele which is not expressed is called.

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Dominant

Phenotype

Genotype

Recessive

International breeding between individuals for certain traits, or combination of traits is called as.

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Variations

Evolution

Natural selection

Artificial selection

In variation, the phenotypes shows a complete range of measurements from one extreme to the other is.

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Discontinuous

Continuous

^{Both a and b}

None of these

Chromatin material is made of:

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DNA

Protein

RNA

DNA and Protein

An organism has two different alleles for a single trait its genotype is said to be.

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Homozygous

Heterozygous

Holozygous D

Hemizygous

It is a homozygous genotype:

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AA

aa

Aa

both A and B

We proposed the mechanism of organic evolution in 1838?

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Charles Darwin

Charles lyll

Lamark

Gregor Mendel

Genes are located on:

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Chromosomes

proteins

nucleotide

DNA

The alternate forms of a gene are called:

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traits

companion genes

alleles

homologous genes

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Biology 10th Class English Medium Chapter 15 Online Test MCQs With Answers

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