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Transportation in Animals and Plants Practice Questions

Class 7 · Science · 1194 free MCQs with instant results and detailed explanations.

1194
Total
364
Easy
589
Medium
241
Hard

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Topics in Transportation in Animals and Plants

Circulatory System 401
Excretory System 394
Transport in Plants 399

Sample Questions from Transportation in Animals and Plants

Here are 10 sample questions. Start a quiz to get randomized questions with scoring.

Q1
Easy
What is the primary function of the circulatory system in animals?
A. To transport nutrients and oxygen
B. To aid in digestion
C. To help in respiration
D. To provide support to the body
Show Answer & Explanation
Correct Answer: A
The circulatory system's main role is to transport essential substances like nutrients and oxygen to cells throughout the body.
Q2
Easy
Which component of blood is responsible for transporting oxygen?
A. Plasma
B. Red blood cells
C. White blood cells
D. Platelets
Show Answer & Explanation
Correct Answer: B
Red blood cells contain hemoglobin, which binds oxygen and transports it from the lungs to the rest of the body.
Q3
Easy
What do we call the liquid part of blood?
A. Hematocrit
B. Serum
C. Plasma
D. Cytoplasm
Show Answer & Explanation
Correct Answer: C
Plasma is the liquid component of blood that carries cells, nutrients, and waste products throughout the body.
Q4
Medium
What is the primary function of the circulatory system in animals?
A. Transport of nutrients
B. Respiration
C. Excretion
D. Digestion
Show Answer & Explanation
Correct Answer: A
The circulatory system primarily transports nutrients, oxygen, and hormones to cells and removes waste products.
Q5
Medium
Which component of blood is responsible for clotting?
A. Plasma
B. Red blood cells
C. White blood cells
D. Platelets
Show Answer & Explanation
Correct Answer: D
Platelets are small cell fragments that play a crucial role in blood clotting, preventing excessive bleeding.
Q6
Medium
In plants, what is the role of xylem in the circulatory system?
A. Transport sugars
B. Transport water and minerals
C. Transport food
D. Store nutrients
Show Answer & Explanation
Correct Answer: B
Xylem is responsible for transporting water and dissolved minerals from the roots to the rest of the plant.
Q7
Medium
Which part of the heart pumps oxygen-rich blood to the body?
A. Right atrium
B. Left atrium
C. Right ventricle
D. Left ventricle
Show Answer & Explanation
Correct Answer: D
The left ventricle pumps oxygen-rich blood to all parts of the body through the aorta.
Q8
Hard
Which of the following components of blood is primarily responsible for the transport of oxygen?
A. White blood cells
B. Platelets
C. Red blood cells
D. Plasma
Show Answer & Explanation
Correct Answer: C
Red blood cells contain hemoglobin, a protein that binds oxygen and facilitates its transport throughout the body.
Q9
Hard
Which of the following statements about the circulatory system is INCORRECT?
A. The heart pumps oxygenated blood to the body.
B. Veins carry blood away from the heart.
C. Arteries carry blood away from the heart.
D. Capillaries are the site of nutrient and gas exchange.
Show Answer & Explanation
Correct Answer: B
Veins are responsible for carrying deoxygenated blood back to the heart, not away from it.
Q10
Hard
In a diagram of the human circulatory system, if blood flows through the right atrium, which chamber does it enter next?
A. Left atrium
B. Right ventricle
C. Left ventricle
D. Pulmonary artery
Show Answer & Explanation
Correct Answer: B
Blood flows from the right atrium to the right ventricle before being pumped to the lungs for oxygenation.

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Transportation in Animals and Plants — Class 7 Science Practice Questions Online

This page contains 1194 practice MCQs for the chapter Transportation in Animals and Plants in Class 7 Science. The questions are organized by difficulty — 364 easy, 589 medium, 241 hard — so you can choose the right level for your preparation.

Every question includes a detailed explanation to help you understand the concept, not just memorize answers. Take a timed quiz to simulate exam conditions, or practice at your own pace with no time limit. This chapter covers 3 topics, giving you comprehensive coverage of the entire chapter.