Sex chromosomes are also known as:
A) Ribosomes
B) Autosomes
C) Allosomes
D) Lysosomes
A chromatid is:
A) One-half of a chromosome
B) A haploid chromosome
C) A complete chromosome
D) A duplicate chromosome
Which of the following is an X-linked recessive disorder?
A) Albinism
B) Color blindness
C) Sickle cell anemia
D) All of the above
Drosophila follows which of these modes of sex determination?
A) XX/XY
B) XX/XO
C) ZZ/ZW
D) MM/NN
What is the number of DNA molecules in the chromosome at the G2 stage of the cell cycle?
A) 1
B) 2
C) 3
D) 0
The spindle apparatus is formed during which phase of mitosis?
A) Telophase
B) Metaphase
C) Prophase
D) Anaphase
The blood group systems were discovered by which scientist?
A) Thomas Cooley
B) Karl Landsteiner
C) Ernst Haeckel
D) Camillo Golgi
The division of cytoplasm is known as:
A) Mitosis
B) Synapsis
C) Cytokinesis
D) Karyokinesis
Human blood types in the ABO blood group are identified by:
A) Clotting factors in plasma
B) Microscopic examination of white blood cells
C) Antigen-antibody reactions
D) A series of enzyme-controlled reactions
Which blood type is a universal donor?
A) A
B) O
C) AB
D) B
CRISPR is an abbreviation of __________________
A) Clustered Regularly Interspaced Short Palindromic Repeats
B) Clustered Randomly Interspaced Short Repeats
C) Clustered Regularly Interspaced Short Repeats
D) Clustered Randomly Interspaced Short Palindromic Repeats
_______ is a curved ovule (completely inverted) with the micropyle facing both inward and outward.
A) Amphilotropous
B) Anatropous
C) Campylotropous
D) Orthotropous
Gossypium hirsutum and Gossypium barbadense are examples of________________-
A) Octaploid species
B) Diploid species
C) Tetraploid species
D) Hexaploid species
In humans, females will have __________ linkage groups of pairing chromosomes
A) 23
B) 22
C) None of these
D) 46
___________ is not a normal phenomenon in the life of an organism
A) Meiosis
B) Mitosis
C) Apoptosis
D) Cancer
The Green Revolution team’s first major breakthrough was the development of a high-yielding Mexican wheat variety____
A) Norin-10
B) Mexicali-75
C) Yaqui-50
D) Sonora-64
____________ is the X-shaped structure formed at the point of crossing over between non-sister chromatids during meiosis I.
A) Chiasma
B) Synaptonemal complex
C) Kinetochore
D) Centromere
What is the difference between genomic selection and marker-assisted selection?
A) Genomic selection is used for breeding, while marker-assisted selection is used for genetic studies
B) Genomic selection is used for genetic studies, while marker-assisted selection is used for breeding
C) Genomic selection uses specific markers, while marker-assisted selection uses genome-wide markers
D) Genomic selection uses genome-wide markers, while marker-assisted selection uses specific markers
The prevention of copying DNA into RNA through inhibition of gene expression at the level of transcription is called _____________
A) Gene Silencing
B) Gene downregulation
C) Gene stimulation
D) Transcriptional repression
_____________ was awarded the Nobel Prize (2016) for explaining mechanisms for autophagy
A) James Watson
B) Francis Crick
C) Charles Darwin
D) Yoshinori Ohsumi

Report Card

Total Questions Attempted: 0

Correct Answers: 0

Wrong Answers: 0

Percentage: 0%