General Science/Basic Science Genetics Mutations Part 2 Sample Test,Sample questions

Question:
.Mutations that cause the death of the individuals are called


1. Spontaneous

2. Biochemical

3.Lethal

4.Induced


Question:
22.In Antirrhinum production of half purple and half lavender coloured flowers after mutation is due to the


1. Phenotypic effects

2. Genotypic effects

3. Linkage

4. Crossing over


Question:
23.White eyed mutant Drosophila was reported by

1.Bateson

2. Hugo de Vries

3. Darwin

4. Morgan


Question:
A dwarf variety of sweet pea is called




1.Sport

2.Mutant

3.Cupid

4.Tiller


Question:
An example of a biochemical mutant of the fungus is

Antirrhinum


1. Cicer gigas

2. Antirrhinum

3.Sorghum

4.Neurospora


Question:
Cupid of sweet pea arose by

8.

1. Gene mutation

2. Chromosomal mutation

3. Biochemical mutation

4. Spontaneous mutation


Question:
Deletion mutations are reported in some


1.Fungi

2.Yeasts

3.Chlamydomonas

4.All the above


Question:
Each gene occupies in a chromosome at a particular






1. Locus

2.Allele

3.Sport

4.Cupid


Question:
Examples of beneficial mutant

1. Cultivated crops

2. Drosophila mutants

3. Biochemical mutations

4. Neurospora


Question:
Formaldehyde nitrous acid mustard gas X-rays and UV rays are called

1.Mutant

2.Mutagens

3.Sports

4.Cupids


Question:
Gene mutations are also known as

1. Spontaneous mutation

2. Point mutation

3. Somatic mutations

4. Duplication mutations


Question:
Hugo de Vries observed mutations in

1. Cicer gigas

2. Cicer arietinum

3. Mirabilis jalapa

4. Oenothera lamarckiana


Question:
If the deletion is an intermediate chromosomal segment it is




1.Intercalary

2.Terminal

3.Insertion

4. Substitution


Question:
In which of the following types of mutation chromosome rotates by 180 ?





1.duplication

2.translocation

3.inversion

4.deletion


Question:
Large deletions in chromosomes are usually

1. Beneficial

2. Lethal

3. Harmful

4. useful


Question:
Loss or deletion of a single nucleotide pair causes


1.Insertion mutation

2.Addition mutation

3.Deletion mutation

4.Substitution mutation


Question:
Many Phenotypic changes are reported in





1.Oenothera

2.Antirrhinum

3.Drosophila

4.Sorghum


Question:
Most of the mutations are

1. Useful

2. Very useful

3.Harmful

4. Very harmful


Question:
Mutations are artificially induced by some agents called




1. Mutants

2.Mutagens

3.Sports

4.Cupids


Question:
Mutations arise due to

7.

1. abrupt changes in genes

2. infection by micro organisms

3. nutritional factors

4. acquired character


Question:
Mutations occurring in reproductive cells are called


1. Spontaneous mutation

2. Germinal mutations

3. Somatic mutations

4. Lethal mutations


Question:
Mutations that affect biochemical reactions are termed

1. Lethal mutations

2. Biochemical mutations

3. Phenotypic mutations

4. Spontaneous mutations


Question:
Mutations which occur in nature are called





1. Lethal

2.Chromosomal

3.Spontaneous

4.Biochemical


Question:
New breeds of domesticated animals have arisen by some



1.Chromosomal mutations

2.Gene mutations

3.Biochemical mutations

4.Spontaneous mutations


Question:
Recessive mutant fail to produce chlorophyll in

1. Antirrhinum

2. Oenothera

3. Cicer

4.Sorghum


Question:
Replacement of a Purine base by another Purine base is called

1. Somatic mutation

2. Addition mutation

3. Deletion mutation

4. Substitution mutation


Question:
Scientific studies on mutation began in the year




1.1906

2.1909

3.1910

4.1900


Question:
Some mutations are

1. Harmful

2. Beneficial

3. Very harmful

4. Very useful


Question:
Sudden change in a gene producing a change great or small in the organism is called



1. Mutation

2.Variation

3.Evolution

4. Linkage


Question:
The botanical name of small seeded Bengal gram is

1.Lathyrus odoratus

2.Mirabilis jalapa

3.Cicer gigas

4.Cicer arietinum


Question:
The chromosomal aberrations that causes lethal effect is





1.Duplication

2.Translocation

3.Inversion

4.Deletion


Question:
The effect of undetectable mutations have

1. little

2.high

3. very little

4. very high


Question:
The fungus which cannot synthesize aminoacids due to mutation is







1.Neurospora

2.Amtirrhinum

3.Sorghum

4. Cicer gigas


Question:
The genetically significant mutations are

1.Somatic mutation

2. Addition mutation

3. Substitution mutation

4. Deletion mutation


Question:
The heritable phenotypic changes in Oenothera lamarckiana (evening primrose) was described by

1. Hugo de Vries

2. Seth Wright

3. Mendel

4. Lamarck


Question:
The large seeded Bengal gram arose as a mutant of the small seeded




1.Antirrhinum

2.Sorghum

3. Cicer arietinum

4. Neurospora


Question:
The organism which underwent mutation is called



1.Sport

2.Factor

3.Mutant

4. Allele


Question:
The point mutations which bring about phenotypic changes in organism are

1. Substitution mutation

2. Deletion mutation

3. Addition mutation

4. Insertion mutation


Question:
The scientist who stated that mutation is a discontinuous change

1.Bateson

2. Hugo de Vries

3. Darwin

4.Morgan


Question:
The term �Sports� to sudden changes was used by

13.

1. Hutchinson

2. Hugo de Vries

3. Darwin

4. Morgan


Question:
The term mutation was first used by


1. Hutchinson

2. Hugo de Vries

3.Morgan

4.Bateson


Question:
The type of chromosomal aberration which does not change the number of genes is

1.Deletion

2.Duplication

3. Inversion

4.Translocation


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