Transportation in Animals and Plants quiz

Red blood cells contain a red pigment called:

Blood vessels that carry blood away from the heart are:

The human heart has:

The blood cells that help in clotting are:

Urine is stored in the:

Xylem transports:

The circulation of blood was discovered by:

Birds excrete waste mainly as:

The loss of water from leaves through stomata is:

The normal pulse rate of an adult at rest is about:

Why do we feel a pulse at the wrist? (2 marks)

What is the function of capillaries? (2 marks)

Why do veins have valves? (2 marks)

Name the blood vessel that carries carbon dioxide-rich blood from the heart to the lungs. Why is it unusual? (2 marks)

What is the function of root hairs? (2 marks)

Why is sweating important for us? (2 marks)

What does urine contain? (2 marks)

What is the role of the septum in the heart? (2 marks)

How is food transported in plants? (2 marks)

Why do we feel thirsty on a hot day after sweating? (2 marks)

Neha's pulse was 72 per minute at rest. After skipping, she counted 30 beats in 15 seconds. Find her pulse rate per minute after skipping and the increase. (3 marks)

An adult passes about 1.5 litres of urine a day. Urine is about 95 percent water and 2.5 percent urea. Find the volume of water and the amount of urea (in mL) passed daily. (3 marks)

The heart beats about 72 times a minute. How many times does it beat in an hour and in a day? (3 marks)

A sunflower plant loses about 1 litre of water a day by transpiration. How much will 25 plants lose in 30 days? (3 marks)

A healthy adult has about 5 litres of blood. If red blood cells make up about 45 percent of blood volume, find the volume of RBCs and the volume of the rest of the blood. (3 marks)

Read the passage and answer the questions. A boy cut his finger while playing. The bleeding stopped after a few minutes, and a dark clot formed. (i) Which blood component formed the clot? (ii) Why is clotting important? (iii) Which cells fight germs entering the wound? (5 marks)

Read the passage and answer the questions. Boojho put a balsam plant's stem in water coloured with red ink. After a few hours, red streaks appeared in the stem and veins of the leaves. (i) Which tissue carried the coloured water? (ii) What does this show? (iii) What force helps pull water up? (5 marks)

Read the passage and answer the questions. A patient with kidney failure goes to hospital twice a week, where his blood is passed through a machine and returned to his body. (i) What is this treatment called? (ii) What does the machine do? (iii) Name the tubes that carry urine from kidneys to the bladder. (5 marks)

Read the passage and answer the questions. A doctor placed a stethoscope on a girl's chest and counted 75 beats in a minute. After she ran, the count rose to 110. (i) What did the doctor hear? (ii) Why did the count rise after running? (iii) Is there a link between heartbeat and pulse? (5 marks)

Read the passage and answer the questions. Fish living in water release ammonia directly into water, while camels in deserts pass very little urine. (i) Why can fish release ammonia directly? (ii) Why do camels pass little urine? (iii) What form of waste do humans excrete? (5 marks)

Draw a labelled diagram of the human heart showing four chambers and explain how blood flows through it. (6 marks)

Draw a labelled diagram of the human excretory system and explain how urine is formed and removed. (6 marks)

Explain the components of blood and their functions with a labelled diagram of blood cells. (6 marks)

Describe an experiment to show transpiration in plants with a labelled diagram, and explain how transpiration helps in the transport of water. (6 marks)

Compare arteries, veins and capillaries on wall thickness, direction of blood flow, valves and type of blood carried. Draw a schematic diagram connecting them. (6 marks)