Transportation In Animals and Plants
|Human Heart Working|
MCQs based on NCERT chapter Class 7 Science
Q1: Name the pigment which gives red colour to the blood in mammals.
Q2: The fluid part of the blood is called _______
Q3: Which component of blood in mammals build up defense against harmful germs enter in the body?
Q4: Upper chambers of a human heart are called?
(c) pulmunory vein
(d) vena cava
Q5: The filtering of blood through an artificial kidney is called ________
Q6: Name the scientist who discovered blood circulation?
(a) Isaac Newton
(b) Christiaan Barnard
(c) William Harvey
(d) William Thomson
Q7: The major excretory product in humans is ________
(a) uric acid
Q8: Vascular tissues that transport water and nutrients in plants are called _________.
(d) Root Hairs
Q9: Phloem helps in the transport of _________ in plants.
(d) carbon dioxide
Q10: What is the heart rate of a normal adult human?
(a) 90-120 times per minute
(b) 70-80 times per minute
(c) 40-50 times per minute
(d) 10-20 times per minute
1: (b) Haemoglobin
2: (b) Plasma
3: (d) WBCs
4: (a) atria
5: (c) dialysis
6: (c) William Harvey
7: (d) urea
8: (c) Xylem
9: (a) food
10: (b) 70-80 times per minute