Chapter 5: Inheritance - Biology Mcqs for High School - Grade 10 - Set 3

1)   The total number of pea plants used in Mendel's experiment are

a. 32,000 plants
b. 28,000 pea plants
c. 30,000 plants
d. 25,000 plants
Answer  Explanation 

ANSWER: 28,000 pea plants

Explanation:
No explanation is available for this question!


2)   The kind of situation in which alleles of gene pair are expressed completely by themselves is called

a. segregation
b. dependent assortment
c. co-dominance
d. dominance
Answer  Explanation 

ANSWER: co-dominance

Explanation:
No explanation is available for this question!


3)   Two chromosomes of a pair are called

a. homologous
b. analogous
c. locus
d. gene pair
Answer  Explanation 

ANSWER: homologous

Explanation:
No explanation is available for this question!


4)   In heterozygous genotype the gene pair contains

a. two different alleles
b. three different alleles
c. one allele
d. all type of alleles
Answer  Explanation 

ANSWER: two different alleles

Explanation:
No explanation is available for this question!


5)   23 pairs of homologous chromosomes are present in

a. frog
b. monkey
c. dog
d. human
Answer  Explanation 

ANSWER: human

Explanation:
No explanation is available for this question!


6)   The genes of the chromosome consist of

a. genesis
b. dominant genesis
c. deoxyribonucleic acid
d. alleles
Answer  Explanation 

ANSWER: deoxyribonucleic acid

Explanation:
No explanation is available for this question!


7)   The alternative form of a gene is

a. loci
b. inheritance
c. transcription
d. alleles
Answer  Explanation 

ANSWER: alleles

Explanation:
No explanation is available for this question!


8)   The alternating forms of genes are known as

a. assorted crosses
b. transcription crosses
c. alleles
d. translating crosses
Answer  Explanation 

ANSWER: alleles

Explanation:
No explanation is available for this question!


9)   What is the term used for a genotype in which the gene pair contains two different alleles?

a. homozygous genotype
b. heterozygous genotype
c. phenotype
d. none of above
Answer  Explanation 

ANSWER: heterozygous genotype

Explanation:
No explanation is available for this question!


10)   Height, Weight, intelligence and foot size are examples of

a. continuous variations
b. discontinuous variations
c. dominance trait
d. recessive trait
Answer  Explanation 

ANSWER: continuous variations

Explanation:
No explanation is available for this question!


11)   Considering the heterozygous genotype condition, the allele which is not expressed is called

a. hybrid allele
b. monohybrid allele
c. dominant allele
d. recessive allele
Answer  Explanation 

ANSWER: recessive allele

Explanation:
No explanation is available for this question!


12)   According to Mendel's law of inheritance, the kind of cross in which only one trait is studied is called

a. tetra hybrid cross
b. monohybrid cross
c. dihybrid cross
d. octane hybrid cross
Answer  Explanation 

ANSWER: monohybrid cross

Explanation:
No explanation is available for this question!


13)   Gene flow is the movement of genes from one

a. community to other
b. individual to other
c. population to other
d. ecosystem to other
Answer  Explanation 

ANSWER: population to other

Explanation:
No explanation is available for this question!


14)   The process in which ribosome reads the sequence carried by mRNA and joins amino acids to form a protein is called

a. segregation
b. transcription
c. denomination
d. translation
Answer  Explanation 

ANSWER: translation

Explanation:
No explanation is available for this question!


15)   The kind of genotype in which two identical alleles are carried by a pair of the gene is called

a. recessive genotype
b. dominant genotype
c. homozygous genotype
d. heterozygous genotype
Answer  Explanation 

ANSWER: homozygous genotype

Explanation:
No explanation is available for this question!


16)   The chromosomes are made up of special material of protein called

a. cytosine
b. thymine
c. chromatin
d. adenine
Answer  Explanation 

ANSWER: chromatin

Explanation:
No explanation is available for this question!


17)   The example of continuous variation includes

a. feet size only
b. weight only
c. blood group
d. feet size and weight
Answer  Explanation 

ANSWER: feet size and weight

Explanation:
No explanation is available for this question!


18)   The number of bonds between guanine and cytosine is

a. four
b. five
c. two
d. three
Answer  Explanation 

ANSWER: three

Explanation:
No explanation is available for this question!


19)   The bred animals are known as breeds and bred plants are

a. products
b. cultivars
c. species
d. offsprings
Answer  Explanation 

ANSWER: cultivars

Explanation:
No explanation is available for this question!


20)   The number of hydrogen between cytosine and guanine

a. 1
b. 2
c. 3
d. 4
Answer  Explanation 

ANSWER: 3

Explanation:
No explanation is available for this question!