CBSE 7th Standard Science Transpiration in Animals and Plants Important Questions And Answers Study Material - QB365 Set D | QB365

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CBSE 7th Standard Science Transpiration in Animals and Plants Important Questions And Answers Study Material - QB365 Set D

Published on: 31/10/2025

Question Set D

CBSE 7th Standard Science Transpiration in Animals and Plants Important Questions And Answers Study Material - QB365

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Std: 7th Standard CBSE - Science

chapter: Transpiration in Animals and Plants - Important Questions And Answers

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Questions:

Match the following

5 x 1 = 5

William Harvey

Veins

Pulmonary veins

Root hairs

Stomata

Fill up / 1 Marks

6 x 1 = 6

Veins carry the blood rich in________.

Blood is a__________which flows in the____________.

Heart has four _________ called as chambers.

Heart is located in the ___________.

10.

_________ and _______ are removed along with water as sweat.

11.

The rhythmic expansion and contraction of the heart is called ____________.

Multiple Choice Question

4 x 1 = 4

12.

The colour of blood is red due to the presence of:

(a)

Chlorophyll

(b)

Haemoglobin

(c)

Oxygen

(d)

Carbon dioxide

13.

The filtration of blood is done by

(a)

heart

(b)

kidney

(c)

blood

(d)

urethra

14.

The organ which controls the blood circulation in body is

(a)

Liver

(b)

Lungs

(c)

Heart

(d)

Kidney

15.

In plants, water is transported through

(a)

xylem

(b)

phloem

(c)

stomata

(d)

root hair

Generic 3

4 x 3 = 12

16.

What is the special feature present in a human heart which does not allow mixing of blood when oxygen-rich and carbon dioxide-rich blood reach the heart?

17.

Look at figure and draw another figure of the same set up as would be observed after a few hours.

18.

What makes the blood look red?

19.

What will happen if there are no platelets in the blood?

Generic 2

5 x 2 = 10

20.

Human excretory system is depicted in the figure.

(a) Label the part 1, 2, 3 and 4
(b) Write the function of 1 & 3.

21.

What is the purpose of using stethoscope by doctors?

22.

State the function of valves?

23.

Name the organ which is located in the chest cavity with its lower tip slightly tilted towards the left.

24.

Name some useful products or materials that are carried by blood.

Generic 5

2 x 5 = 10

25.

Label five parts (A to E) of heart and state their functions.

26.

While riding a bike, Mason fell from it due to loss of balance. He got up and realised that he was bleeding from several wounds badly. He panicked and started to run but Mansi who was looking at him, stopped him and told him to clean his wound with a clean cloth and that blood will stop coming in a while. Mason noticed that he has stopped bleeding after sometime and a hard covering was appearing on his wounds.
(a) Why did the bleeding stop after a while?
(b) What is blood and what type of cells are responsible for clotting?
(c) What of values do you think Mansi have?

True or False

5 x 1 = 5

27.

Sweat is secreted by sweat glands, present in our skin.

(a)

False

(b)

True

28.

WBC protects the body from diseases.

(a)

False

(b)

True

29.

Kidney is a rounded structure used to filter the blood.

(a)

True

(b)

False

30.

Haemoglobin is the red colour pigment present in blood.

(a)

False

(b)

True

31.

The vascular tissue for the transport of food in plants is called xylem.

(a)

True

(b)

False

1 Marks

5 x 1 = 5

32.

Expand ECG.

33.

What are the components of blood?

34.

Do you hear a regular thumping sound?

35.

Why do you think there; is throbbing?

36.

Do you see the heart and the blood vessels?

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Answers Key:

Match the following

5 x 1 = 5

()
Circulation of blood

()
Deoxygenated blood

()
Bring oxygenated blood from lungs to the heart.

()
Absorption of water

Fill up / 1 Marks

6 x 1 = 6

()
Carbon dioxide

()
Fluid, blood vessels

()
compartments

()
chest cavity

10.

()
Salt, urea

11.

()
heartbeats

Multiple Choice Question

4 x 1 = 4

12.

(b)
Haemoglobin

13.

(b)
kidney

14.

15.

In plants, water is transported through xylem.

Generic 3

4 x 3 = 12

16.

In human, the heart has four chambers. The two upper chambers are called the atria and the two lower chambers are called the ventricles. The partition between the chambers helps to avoid mixing up of blood rich in oxygen with the blood rich in carbon dioxide.

17.

After the few hours, the figure will be shown as follows

This figure shows that there will be an increase in the level of sugar solution in the potato piece. This increase in the level of sugar solution rises due to water that passes through the wall of potato and goes inside it.

18.

The red pigment (haemoglobin) present in the red blood cells of the blood makes the blood look red. The haemoglobin carries oxygen and transports it to all the parts of the body.

19.

The blood clot is formed due to the presence of the cells called platelets in the blood. If there were no platelets in the blood, then bleeding caused by a cut from an injury would not stop. This may cause loss of too much blood from the body of a person leading to death.

Generic 2

5 x 2 = 10

20.

(a) Part 1: Kidney
Part 2: Ureter
Part 3: Urinary Bladder
Part 4: Urethra
(b) Function of 1 (Kidney): Helps in filtration of blood. Function of 3 (Urinary Bladder): Receives and collects urine from kidneys.

21.

A stethoscope reads heartbeats as diaphragm amplies the rounds of heartbeat when placed on specific areas.

22.

Valves prevent the backflow of blood between chambers of heart.

23.

The heart is located in the chest cavity with its lower tip slightly tilted towards the left.

24.

Food, water and oxygen are the products that are carried by blood to every part of the body.

Generic 5

2 x 5 = 10

25.

A-Septum between right and left side of heart. It prevents mixing of oxygenated and deoxygenated blood.
B-Left ventricle,which pumps oxygenated blood to body parts.
C-Aorta is the main artery emerging from left ventricle. It gives rise to other arteries which carry blood to different body parts.
D-Left auricles, which receives oxygenated blood from lungs and pushes it into left ventricle.
E-Pulmonary vein brings oxygenated blood from lungs to left auricle.

26.

(a) Bleeding stops after some time because some specialised cells start forming a hard covering called clot at the site of wound.
(b) Bleeding is a fluid connective tissue present in all parts of the body. Platelets are responsible for formation of clot.
(c) Mansi is helpful, knowledgeable and interested in science subject.

True or False

5 x 1 = 5

27.