Kerala Class 9 Biology Chapter 3 Simple Nutrients into Cells MCQ
Kerala Class 9 Biology Chapter 3 Simple Nutrients into Cells MCQ Question and Answer for Students. SCERT Kerala Class 9 Biology Part 1 Simple Nutrients into Cells MCQ.
1.) ____ regulates blood pressure.
a) Fibrinogen b) Albumin c) Globulin
2.) ____ helps in defence.
a) Fibrinogen b) Albumin c) Globulin
3.) ____ plays a major role in the coagulation of blood.
a) Fibrinogen b) Albumin c) Globulin
4.) Plasma constitutes ____ of blood.
a) 65% b) 55%
5.) ____fluid helps to reduce friction between the membranes when heart beats.
a) Pericardial fluid b) Plasma fluid
6.) Blood cells are found in ____.
a) Plasma b) Pericardium
7.) ____ carries blood to the heart.
a) Artery b) Vein
8.) ____ carries blood from the heart.
a) Artery b) Vein
9.) In ____, blood flows with low speed and low pressure.
a) Artery b) Vein
10.) In ____, blood flows with high speed and high pressure.
a) Artery b) Vein
11.) In ____, blood flows with low speed and low pressure.
a) Artery b) Capillaries
12.) ____ connect veins and arteries together.
a) Capillaries b) Aorta
13.) The carbon dioxide rich blood from different parts of the body reaches the ____ atrium.
a) Left b) Right
14.) The ____ rich blood from the lungs reaches the left atrium.
a) Oxygen b) Carbon dioxide
15.) Reception of oxygen and expulsion of carbon dioxide take place in the ____.
a) Heart b) Lungs
16.) ____circulation starts from the left ventricle and ends in the right atrium.
a) Systemic b) Pulmonary
17.) ____circulation starts from the right ventricle and ends in the left atrium.
a) Systemic b) Pulmonary
18.) Contraction of the chambers of the heart is termed as ____.
a) Diastole b) Systole
19.) The heart beats at an average rate of ____ times/minute.
a) 75 b) 72
____ is the instrument used to measure blood pressure.
a) Sphygmomanometer b) Pacemaker
21.) The ____ has to function properly for the heart to beat rhythmically.
a) Pacemaker b) Sphygmomanometer
22.) Systolic pressure is ____ mm Hg.
a) 80 b) 120
23.) Diastolic pressure is ____ mm Hg.
a) 80 b) 120
24.) The condition in which the blood pressure increases above the normal rate is a disease condition called ____.
a) Hypertension b) Hypotension
25.) The condition in which the blood pressure rate goes below the prescribed rate is called ____.
a) Hypertension b) Hypotension
26.) The largest organ of the immune system, named ____.
a) Lymph b) Spleen
27.) The ____ which identify and destroy pathogenic bacteria and viruses that enter the body.
a) Lymphocytes b) Spleen
28.) World health day is observed on ____.
a) 29th September b) 29th November
29.) Water reaches leaf cells by ____.
a) Stomata b) Osmosis
30.) Water evaporates through ____.
a) Transpiration b) Photosynthesis
31.) The water and salts that roots absorb from the soil reach the leaves through ____.
a) Phloem b) Xylem
32.) Food is transported in the form of sucrose through ____.
a) Phloem b) Xylem
33.) Water is lost from the intercellular spaces of leaves through ____.
a) Stomata b) Osmosis
34.) The diameter of vessels is ____ than that of tracheids.
a) Less b) Greater
35.) In a dog, the first heart transplantation surgery was performed in ____.
a) 1967 b) 1946
36.) In humans, the first heart transplantation surgery was performed in ____.
a) 1967 b) 1946
Answer: 1.b), 2.c), 3.a), 4.b), 5.a), 6.a), 7.b), 8.a), 9.b), 10.a), 11.b), 12.a), 13.b), 14.a), 15.b), 16.a), 17.b), 18.b), 19.b), 20.a), 21.a), 22.b), 23.a), 24.a), 25.b), 26.b), 27.a), 28.a), 29.b), 30.a), 31.b), 32.a), 33.a), 34.b), 35.b), 36.a)