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 I | Column 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 I | Column 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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