Science 9 Long Test - 4th Qtr

• Right Ventricle

• Left Ventricle

• Left Atrium

• Right Atrium

Which of the following is a function of the left atrium?

• Delivers blood to the right ventricle through the tricuspid valve

• Delivers blood to the left ventricle through the bicuspid valve

• Delivers blood to the left ventricle through the tricuspid valve

• Delivers blood to the right ventricle through the bicuspid valve

The narrow tube that branched from the trachea connected to each of the two lungs

• Bronchi

• Epiglottis

• Bronchioles

• Alveoli

Which of the following statement is FALSE?

• Nose serves as the entrance and exit of the respiratory system

• Sneezing can expel particles from nose when they accumulate

• Particles stick to mucus membrane lining the nasal passages

• Mucus membrane filter the dust and other particles that enters the air

The direction of blood flow through the human body is maintained by:

• The elasticity of the vein walls

• The pump action of the heart

• Muscular contractions

• A system of valves

Blood leaves the heart in two vessels, namely the:

• Aorta and pulmonary vein

• Pulmonary artery and aorta

• Aorta and venae cavae

• Pulmonary artery and pulmonary vein

If brown eyes are dominant over blue eyes, then what is the genotype for this trait?

• Gg

• gg

• GG

• all answers are correct

If a pea plant were homozygous recessive for height, how would its alleles be represented?

• TT
• Tt
• tt
• tT

Which option is abiotic?

• Plants
• Bacteria
• Water
• Fungi

Image "B" shows more biodiversity than image "A". Why?

• Because "B" shows more different species than image "A"

• Because image "B" has less different species than "A"

• "A" has a greater number of same species plants so this statement is wrong.

• Both images show the same biodiversity