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WorksheetsQuiz # 1 in Science 9
Total questions: 15
Worksheet time: 8mins
Which of the following organs is considered as the common passageway of food and air?
Bronchi
Trachea
Pharynx
Larynx
Which of the following IS NOT a function of the nostrils and nasal cavity?
It filters the air
It is for gas exchange
It humidifies the air
It moistens the air
Which of the following is a formed element of the blood that is used for clotting?
RBC
WBC
Platelets
Plasma
Which of the following blood vessels contain valves?
Arteries
Veins
Capillaries
All of these
Which of the following type of non-Mendelian patterns of inheritance results in the formation of an Erminette chicken?
Incomplete dominance
Codominance
Multiple alleles
Sex-linked traits
Which of the following is considered as the recessive blood type?
A
B
AB
O
Which of the following is the correct base pair of cytosine?
Adenine
Cytosine
Guanine
Thymine
Which of the following IS NOT an example of sex-limited traits?
Lactation in females
Baldness in males
Comb in roosters
Horn in rams
Which of the following serves as the site for gas exchange?
Alveoli
Capillaries
Lungs
Bronchi
Who proposed the law on complementary base pairs?
Maurice Wilkins
Erwin Chargaff
Rosalind Franklin
James Watson
Which of the following IS NOT a component of the nucleotide?
Pentose sugar
Nucleotide base
Phosphate group
Nitrogenous base
Which of the following blood vessels have valves?
Arteries
Veins
Capillaries
All of these are correct
Which of the following is called the collecting chamber of deoxygenated blood in the heart?
Left atrium
Left ventricle
Right atrium
Right ventricle
Which of the following organs is used in the production of sounds?
Larynx
Nostrils
Pharynx
Trachea
Which of the following is the correctly replicated DNA sequence for this DNA strand: CCT GAT TGA
CCT GAT TGA
TCC TAG AGT
GGA CTA ACT
AGA ACT TAC
