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MCQ Questions for Class 7 Science Chapter 11 Transportation in Animals and Plants with Answers

 

Transportation in Animals and Plants Class 7 MCQs Questions with Answers

I. Choose the correct option.

Question 1.
The pumping organ of our circulatory system is
(a) heart
(b) artery
(c) vein
(d) all of these

Answer

Answer: (a) heart


Question 2.
What is the state of the blood?
(a) Solid
(b) Fluid
(c) Gas
(d) None of these

Answer

Answer: (b) Fluid


Question 3.
They are pipe-like, consisting of a group of specialised cells. They transport substances and form a two-way traffic in plants. Which of the following terms qualify for the features mentioned above?
(a) Xylem tissue
(b) Vascular tissue
(c) Root hairs
(d) Phloem tissue

Answer

Answer: (b) Vascular tissue


Question 4.
The fluid part of the blood is known as
(a) membrane
(b) plasma
(c) RBC
(d) WBC

Answer

Answer: (b) plasma


Question 5.
The red pigment present in the RBC of the blood is
(a) haemoglobin
(b) WBC
(c) pulse
(d) none of these

Answer

Answer: (a) haemoglobin


Question 6.
Which blood cells are a significant part of the immune system of the body?
(a) RBC
(b) WBC
(c) Platelets
(d) All of these

Answer

Answer: (b) WBC


Question 7.
The cells in the blood which help in clotting are.
(a) Haemoglobins
(b) Platelets
(c) Red blood cells
(d) White blood cells

Answer

Answer: (b) Platelets


Question 8.
The part of human body which lacks sweat gland is
(a) scalp
(b) armpits
(c) lips
(d) palms

Answer

Answer: (c) lips


Question 9.
Which blood vessel carries oxygen-rich blood?
(a) Arteries
(b) Veins
(c) Both (a) and (b)
(d) None of these

Answer

Answer: (a) Arteries


Question 10.
The number of heart beats per minute is called
(a) pulse rate
(b) throbbing
(c) beating
(d) none of these

Answer

Answer: (a) pulse rate


Question 11.
What joins up to form veins which empty into the heart?
(a) Arteries
(b) Capillaries
(c) Red blood cells
(d) White blood cells

Answer

Answer: (b) Capillaries


Question 12.
The heart is located in the
(a) chest cavity
(b) stomach
(c) lungs
(d) all of these

Answer

Answer: (a) chest cavity


Question 13.
How many chambers does the human heart have?
(a) Three
(b) Four
(c) Five
(d) Two

Answer

Answer: (b) Four


Question 14.
Name an instrument/device used to amplify the sound of heart.
(a) Stethoscope
(b) UV machine
(c) Both (a) and (b)
(d) Ultrasound machine

Answer

Answer: (a) Stethoscope


Question 15.
The absorption of nutrients and exchange of respiratory gases between blood and tissues take place in
(a) veins
(b) arteries
(c) heart
(d) capillaries

Answer

Answer: (d) capillaries


II. Fill in the Blanks

Question 1.
The two upper chambers of the heart are called ………………

Answer

Answer: atria


Question 2.
……………… is the device used by doctors to feel the heartbeat of a patient.

Answer

Answer: Stethoscope


Question 3.
The rhythmic contraction and relaxation of the heart muscle is known as ………………..

Answer

Answer: heartbeat


Question 4.
The organ and organ system involved in excretion forms the ………………

Answer

Answer: excretory system


Question 5.
The filtration of blood is done by the blood capillaries in the …………………

Answer

Answer: kidneys


Question 6.
Urine gets stored in a sac called the ……………..

Answer

Answer: urinary bladder


Question 7.
Water and minerals are absorbed by plants through the ………………

Answer

Answer: roots


Question 8.
The kidneys contain thousands of tiny filters called …………………

Answer

Answer: nephrons


Question 9.
Blood is a ………………..

Answer

Answer: fluid


Question 10.
The circulation of blood was discovered by …………………

Answer

Answer: William Harvey


Question 11.
The periodical filtration of blood through an artificial kidney is known as ………………

Answer

Answer: dialysis


Question 12.
The straw-coloured liquid part of the blood in which cells float is known as ………………..

Answer

Answer: plasma


Question 13.
Phloem is a ……………… tissue.

Answer

Answer: vascular


Question 14.
In plants, the transportation of water and minerals is done by ………………..

Answer

Answer: xylem


Question 15.
Blood flows at a high pressure in ……………

Answer

Answer: arteries


III. True or False

Question 1.
We need only oxygen for survival.

Answer

Answer: False


Question 2.
Right auricle receives oxygenated blood from the pulmonary veins.

Answer

Answer: False


Question 3.
There are two types of blood vessels.

Answer

Answer: False


Question 4.
Plasma is the fluid part of blood.

Answer

Answer: True


Question 5.
WBCs contain haemoglobin.

Answer

Answer: False


Question 6.
Pulmonary arteries bring oxygenated blood from lungs to heart.

Answer

Answer: False


Question 7.
Arteries have valve to prevent back flow of blood.

Answer

Answer: False


Question 8.
Arteries carry oxygen-rich blood from the heart to all parts of the body.

Answer

Answer: True


Question 9.
Veins carry carbon dioxide-rich blood from heart to all parts of the body.

Answer

Answer: False


Question 10.
The heart stops working while we sleep.

Answer

Answer: False


Question 11.
Blood transports food from the small intestine to the other parts of the body.

Answer

Answer: True


Question 12.
Doctors examine the heartbeat with the help of a device called stethoscope.

Answer

Answer: True


Question 13.
Urine is a waste of the body.

Answer

Answer: True


Question 14.
The root hair decrease the surface area of the root.

Answer

Answer: False


Question 15.
Our heart is roughly the size of our fist.

Answer

Answer: True


IV. Match the Following

Column IColumn II
1. Pulmonary artery(a) Clotting
2. Platelets(b) Pushes blood into aorta
3. Right ventricle(c) Oxygenated blood
4. Uric acid(d) Human
5. Urea(e) Pushes blood into pulmonary artery
6. Ammonia(f) Fish
7. Left ventricle(g) Dialysis
8. Artificial kidney(h) Water and minerals
9. Xylem(i) Birds, lizards
10. Phloem(j) Food
Answer

Answer:

Column IColumn II
1. Pulmonary artery(c) Oxygenated blood
2. Platelets(a) Clotting
3. Right ventricle(e) Pushes blood into pulmonary artery
4. Uric acid(i) Birds, lizards
5. Urea(d) Human
6. Ammonia(f) Fish
7. Left ventricle(b) Pushes blood into aorta
8. Artificial kidney(g) Dialysis
9. Xylem(h) Water and minerals
10. Phloem(j) Food


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