Life processes class 10 important questions

Q.1) What are the functions of blood vessels.

• 1- Carries blood to body 2- Carries blood to lungs 3- Carries blood from lungs 4- Carries blood from body

• 1- Carries blood to body 3- Carries blood to lungs 4- Carries blood from lungs 2- Carries blood from body

• 2- Carries blood to body 4- Carries blood to lungs 3- Carries blood from lungs 1- Carries blood from body

• 3- Carries blood to body 1- Carries blood to lungs 4- Carries blood from lungs 2- Carries blood from body

Q.2) the blood vessels leaving the tissues becomes richer in

• Oxygen

• Carbon dioxide

• Both the gases equally diffuse

• No change

Tags

NGSS.HS-LS1-7

NGSS.HS-LS2-5

The table shows the characteristics of blood in one blood vessel of the body.

Q.3) Which blood vessel contains blood with these characteristics?

• Aorta

• Pulmonary artery

• Pulmonary vein

• Vena cava

Q.4.) Chamber of heart that pumps blood to various organs.

• Auricle

• Artery

• Ventricles

• Vena cava

Q.5) Which of the following is not the component of Plasma?

• Platelets

• Water

• Fibrinogen

• Globulins

Q.6) Which one indicates Hypertension or High Blood Pressure ?

• 120/80

• 110/70

• 130/80

• 140/90

Q.7) In which of the following vertebrate group/groups, heart does not pump oxygenated blood to different parts of the body?

• Pisces and amphibians

• Amphibians and reptiles

• Amphibians only

• Pisces only

Q.8) The pressure in artery during ventricular relaxation is called

• Diastolic pressure

• Diastole

• Systolic pressure

• Auricle under pressure

Q.9) Assertion: In Human Heart there is No mixing of Oxygenated & Deoxygenated Blood. Reason: Valves are present in the heart which allows the movement of Blood in one direction only.

• Both Assertion and Reason are true, and Reason is the correct explanation of Assertion

• Both Assertion and Reason are true but Reason is not the correct explanation of Assertion

• Assertion is true, but Reason is false

• Reason is true, but Assertion is false

• Both are false

Assertion: Lymph, also known as tissue fluid ,is colourless. Reason: It lacks Erythrocytes.

• Both Assertion and Reason are true, and Reason is the correct explanation of Assertion

• Both Assertion and Reason are true but Reason is not the correct explanation of Assertion

• Assertion is true, but Reason is false

• Reason is true, but Assertion is false

• Both are false