Biology 2nd Quarter Exam Reviewer Part 1

39 Questions | By Stonesteel | Updated: Mar 21, 2022 | Attempts: 570

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1.

These are traits that are passed on from parents to offspring.Type question here
- A.
  
  Gene
- B.
  
  Allele
- C.
  
  Chromosome
- D.
  
  RNA
2.

These are different types of genes.
- A.
  
  Gene
- B.
  
  Allele
- C.
  
  Chromosome
- D.
  
  DNA
3.

The number of PAIRS of chromosomes in a somatic cell is
- A.
  
  23
- B.
  
  46
- C.
  
  12
- D.
  
  24
4.

He is a Catholic monk who experimented on pea plants and formulated principles of heredity which paved the way for modern genetics.
- A.
  
  Aristotle
- B.
  
  Watson and Cricke
- C.
  
  Carl Linne
- D.
  
  Gregor Mendel
5.

This principle states that each gene of a pair separate into different gametes.
- A.
  
  Law of Independent Assortment
- B.
  
  Law of Mutation
- C.
  
  Law of Segregation
- D.
  
  Law of Gravity
6.

This principle states that transmission of a gene is not affected by transmission of other sets of genes.
- A.
  
  Law of Independent Assortment
- B.
  
  Law of Mutation
- C.
  
  Law of Segregation
- D.
  
  Law of Gravity
7.

Law of Independent Assortment is best illustrated in a
- A.
  
  Monohybrid cross
- B.
  
  Dihybrid cross
- C.
  
  Punnett Square
- D.
  
  Mutation
8.

The number of chromosomes in a sperm cell is
- A.
  
  23
- B.
  
  46
- C.
  
  12
- D.
  
  24
9.

This principle states that information to create proteins comes from the DNA and then transferred to an RNA which is translated into proteins.
- A.
  
  Central dogma
- B.
  
  Law of Segregation
- C.
  
  Mutation
- D.
  
  Law of Independent Assortment
10.

This term refers to the transfer of information from the DNA to the RNA.
- A.
  
  Central dogma
- B.
  
  Transcription
- C.
  
  Translation
- D.
  
  Mutation
11.

This term refers to the transfer of information from the RNA to protein.
- A.
  
  Central dogma
- B.
  
  Transcription
- C.
  
  Translation
- D.
  
  Mutation
12.

This type of RNA pairs up with the separated DNA strands in the nucleus.
- A.
  
  Messenger RNA (mRNA)
- B.
  
  Ribosomal RNA (rRNA)
- C.
  
  Transfer RNA (tRNA)
- D.
  
  None of the above
13.

This type of RNA pairs up with the mRNA and carries amino acid for protein production.
- A.
  
  Messenger RNA (mRNA)
- B.
  
  Ribosomal RNA (rRNA)
- C.
  
  Transfer RNA (tRNA)
- D.
  
  None of the above
14.

These are groups of three nucleotide bases that correspond to an amino acid.
- A.
  
  Sugar
- B.
  
  Phosphate
- C.
  
  Base
- D.
  
  Codon
15.

It is not part of the DNA nucleotide.
- A.
  
  Sugar
- B.
  
  Phosphate
- C.
  
  Base
- D.
  
  Codon
16.

This part of the DNA nucleotide is the point of attachment of another nucleotide's sugar part called deoxyribose.
- A.
  
  Sugar
- B.
  
  Phosphate
- C.
  
  Base
- D.
  
  Codon
17.

This part of the DNA nucleotide forms a hydrogen bond with the base of another nucleotide.
- A.
  
  Sugar
- B.
  
  Phosphate
- C.
  
  Base
- D.
  
  Codon
18.

The two purine bases are
- A.
  
  Cytosine and thymine.
- B.
  
  Guanine and adenine.
- C.
  
  Cytosine and guanine.
- D.
  
  Thymine and adenine.
19.

The two pyrimidine bases are
- A.
  
  Cytosine and thymine.
- B.
  
  Guanine and adenine.
- C.
  
  Cytosine and guanine.
- D.
  
  Thymine and adenine.
20.

This is a permanent change in the genetic material of the organism.
- A.
  
  Central dogma
- B.
  
  Law of Segregation
- C.
  
  Mutation
- D.
  
  Law of Independent Assortment
21.

This happens when the two alleles of a gene pair is neither recessive nor dominant.
- A.
  
  Mutation
- B.
  
  Overdominance
- C.
  
  Incomplete dominance
- D.
  
  Co-dominance
22.

This happens when each gene of an allele pair are manifested or are functional e.g. blood type AB has both the protein A and protein B.
- A.
  
  Mutation
- B.
  
  Overdominance
- C.
  
  Incomplete dominance
- D.
  
  Co-dominance
23.

A human baby with an XY chromosome in his cells is a/an
- A.
  
  Male.
- B.
  
  Female.
- C.
  
  Asexual species.
- D.
  
  None of the above
24.

The pair of genes that determine the sex of a human being is the
- A.
  
  21st pair.
- B.
  
  23rd pair.
- C.
  
  2nd pair.
- D.
  
  5th pair.
25.

This term refers to the physical appearance of an organism.
- A.
  
  Phenotype
- B.
  
  Genotype
- C.
  
  Karyotype
- D.
  
  No type