Last updated on December 14th, 2023 at 08:36 am
Transportation in Animals and Plants Class 7 MCQ
Multiple-choice questions (MCQs) related to the circulatory system, excretory system, and plant transport systems, along with their answers:
Which pigment gives blood its red color?
a) Hemoglobin
b) Melanin
c) Chlorophyll
d) Myoglobin
Answer: a) Hemoglobin
The circulatory system consists of:
a) Heart and lungs
b) Heart and blood vessels
c) Lungs and arteries
d) Heart and kidneys
Answer: b) Heart and blood vessels
The excretory system in humans includes:
a) Lungs, liver, and skin
b) Kidneys, ureters, and urinary bladder
c) Stomach, small intestine, and large intestine
d) Heart, lungs, and kidneys
Answer: b) Kidneys, ureters, and urinary bladder
Which organs in the excretory system remove waste products from the blood?
a) Lungs
b) Liver
c) Kidneys
d) Heart
Answer: c) Kidneys
What waste substance do fish primarily excrete?
a) Urea
b) Carbon dioxide
c) Uric acid
d) Ammonia
Answer: d) Ammonia
Birds, insects, and lizards excrete waste in the form of:
a) Urea
b) Carbon dioxide
c) Uric acid
d) Ammonia
Answer: c) Uric acid
Which vascular tissue in plants is responsible for transporting water and minerals from roots to the entire plant?
a) Phloem
b) Epidermis
c) Xylem
d) Stomata
Answer: c) Xylem