Worksheets4th QA Review Exercise
Total questions: 20
Worksheet time: 40mins
This is the middle part of the chromosome that connects the chromatids together.
Chromatin
Centromere
Chromate
Where do nutrients go after being absorbed?
(a)
It absorbs liquids and vitamins.
Stomach
Small Intestine
Large Intestine
Mouth
They started life as a single, fertilized egg.
Identical Twins
Fraternal Twins
What kind of enzyme in the saliva digests carbohydrates?
(a)
Which stage of the cell cycle is characterized by many metabolic activities like growth, synthesis of DNA and chromosomes replication?
Interphase
Meiosis
Mitosis
Prophase
“Father of Modern Genetics”
(a)
Metaphase 1 : tetrad , Metaphase 2 : (a)
AA
Which is the correct expression of its genotypic character?
Axial
Terminal
Homozygous Axial
Heterozygous Axial
aa
Which is the correct expression of its phenotypic character?
axial
terminal
Homozygous axial
Homozygous terminal
What is the recessive character for the pod color of a pea plant?
(a)
It is the flap-like structure that prevent food from entering in the windpipe of the respiratory system.
Pharynx
Parotid Gland
Epiglottis
Esophagus
Select the allele of this genotypic character.
Homozygous wrinkled
rr
RR
Rr
WW
ww
A cell division that gives rise to four daughter cells having half number of chromosome with that of the parent cell.
(a)
Branch of Science that deals with cell and its structure.
Cytology
Genetics
Biology
How many chromosomes do humans have?
43 chromosomes
34 pairs
44 pairs
23 chromosomes
Organ of complete digestion and absorption
small intestine
large intestine
stomach
esophagus
Why do the spindle fibers loop themselves around the centromere of a chromatid?
To cross over among the chromosomes.
To get the genes needed by the cell.
To pull the chromatid during cell division.
What is the number of the last stage of Mitosis?
Look at the picture.
1
2
3
4
What is the number of the 1st stage of Mitosis?
Look at the picture.
1
2
3
4
