Natural Selection MCQs with Answers

Natural Selection MCQs

Hello students, our next topic for the MCQ is ‘NATURAL SELECTION’. There are mainly three criteria for the natural selection. Firstly the variation in population then traits must be heritable and last one is limits on population growth in environment. The natural selection is selected by nature.

The following MCQ will provide you more information about ‘Natural selection’.

 

MCQ.1): Most famous and important theory of evolution by Darwin is ……………………………………

a)Nomenclature

b) Natural selection

c) Nature set

d) Selected names

 

MCQ.2):The theory of natural selection states that the organism which are best adapted to their environment have …………………………

a)Do not have chance of survival

b)Do not have chance of reproducing

c) Have a chance of survival

d)All of above

 

MCQ. 3):The increase of population in animals and plants requires more space and food and the organisms compete for the sources like food, water etc. is included in the Darwinism of ……………………………..……

a)Rapid multiplication

b)Slow multiplication

c)Limited environment resources

d)Struggle for existence

 

MCQ.4):When it comes to environment a species may face one or more …………………………

a)Selective pressure

b)Selective density

c)Optimal point

d)Optimization

 

MCQ.5):In the natural selection, the production of variations is due to …………………………………….

a)Mutations

b)Meiosis

c)Random mate selection

d)All of them

 

MCQ.6): …………………………………………………………………….. Is a type of natural selection where selective pressure favors an extreme variation of a trait.

a)Directional selection

b)Stabilizing selection

c)Disruptive selection

d)Sexual selection

 

MCQ.7):In stabilizing selection, the selective pressure favors the average ………………………………………………

a)Zygote

b)Monohybrid

c)Phenotype

d)None of them

 

MCQ.8):The struggle for existence refers to competition among members of a species for food, living space etc. and intraspecific struggle is ……………………………………………………………

a)Different species

b)Within species

c)Heat

d)Environmental factor

 

MCQ.9):When the inherited trait which increase an organism’s change of survival then it is known as …………

a)Adaptation

b)Genetic cross

c)Variant

d)Development

 

MCQ.10):The natural selection acts on the ………………………………………………

a)Phenotype

b)Genotype

c)Genetic makeup

d)Internal feature

 

Answers

1) b) Natural selection

2)c) Have a chance of survival

3)c) Limited environment resources

4)a) Selective pressure

5)d) All of them

6)a) Directional selection

7)c) Phenotype

8)b) Within species

9)a) Adaptation

10)a) Phenotype


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