In this article you will get the clue that from where and how the questions are being framed from the chapter Life Processes
The experts of jagranjosh.com have full confidence that you will not miss any of the questions in the board exam as well as in competitive exams from this chapter if you will keep the following terms / question in your mind while studying
Given here are the some example questions
Q. Match the organisms given in column I with the process given in column II
Column I Column II
Leech Holozoic Nutrition
Amoeba Autotropic nutrition
Mushroom Parasitic nutrition
Green plant saprophytic nutrition
Q. Match the terms in column I to those in column II
Column I Column II
Amylase Gastric glands
Q. The correct order of steps occurring in nutrition in animal is:
Q. Which of the following is the correct sequesnce of parts as they occur in the human alimentary canal?
a. Mouth--->stomach--->small intestine--->oesophagus--->large intestine
b. Mouth--->oesophagus--->stomach--->large intestine--->small intestine
c. Mouth--->stomach--->oesophagus--->small intestine--->large intestine
d. Mouth--->oesophagus--->stomach--->small intestine--->large intestine
Q. An organism A which cannot move from one place to another, makes a simple food B from the substances B and D available in the environment. This food is made in the presence of a green colored substance E present in the organs F in the presence of light energy in a process called G. some of the simple food B also gets converted into a complex food H for storage purpose. The food H gives a blue black color with dilute iodine solution
a. What is (i) organism A (ii) food B and (iii) food H
b. What are C and D
c. Name (i) green colored substance E and (ii) organ F
d. What is the process G?
Q. Match the terms in column I with their uses in column II
Column I column II
Heart Pipe for transport in humans
Arteries and veins clotting of blood
Xylem vessels pumping organs
RBC water transport in plants
Platelets carrier of oxygen
Q. Which of the following is the correct path taken by urine in our body
d. bladder --->Kidney--->ureter--->urethra
Q. Which of the following is the only conducting tissue in non- flowering plants
a. xylem vessels
b. sieve tubes
c. companion cells
Q. What is the main excretory product in lizards?
c. Uric acid
d. None of these
Q. Which of these initiates the heart beat?
a. SA Node
b. AV Node
c. Bundle of His
d. Purkinje fibers
Q. If kidney fails to reabsorb water, the tissues would
a. Remain unaffected
b. Shrink to shrivel
c. Absorb water from blood
d. Take more oxygen from blood
Q. Choose the forms in which most plants absorb nitrogen
ii. Nitrates and Nitrites
iv. Atmospheric nitrogen
a. (i) and (ii)
b. (ii) and (iii)
c. (iii) and (iv)
d. (i) and (iv)
Q.Which of the following statement(s) is (are) correct ?
v. Pyruvate can be converted into ethanol and carbon dioxide by yeast.
vi. Fermentation takes place in aerobic bacteria.
vii. Fermentation takes place in mitochondria.
viii. Fermentation is a form of anaerobic respiration.
a. (i) and (iii)
b. (ii) and (iv)
c. (i) and (iv)
d. (ii) and (iii)
Q. Lack of oxygen in muscles often leads to cramps among cricketers. This results due to
a. conversion of pyruvate to ethanol.
b. conversion of pyruvate to glucose
c. non conversion of glucose to pyruvate
d. conversion of pyruvate to lactic acid
Q. Single circulation i.e., blood flows through the heart only once during one cycle of passage through the body, is exhibited by
a. Labeo, Chameleon. Salamander
b. Hippocampus, Exocoetus, Anabas
c. Hyla, Rana, Draco
d. Whale, Dolphin, Turtle
Q. Choose the correct statement that describes arteries.
a. They have thick elastic walls, blood flows under high pressure, collect blood from different organs and bring it back to the heart.
b. They have thin walls with valves inside, blood flows under low pressure and carry blood away from the heart to various organs of the body.
c. They have thick elastic walls, blood flows under low pressure, carry blood from the heart to various organs of the body.
d. They have thick elastic walls without valves inside, blood flows under high pressure and carry blood away from the heart to different parts of the body.
Q. Which of the following statement(s) is (are) true about respiration?
i. During inhalation, ribs move inward and diaphragm is raised.
ii. In the alveoli, exchange of gases takes place i.e., oxygen from alveolar air diffuses into blood and carbon dioxide from blood into alveolar air.
iii. Haemoglobin has greater affinity for carbon dioxide than oxygen.
iv. Alveoli increase surface area for exchange of gases.
a. (i) and (iv)
b. (ii) and (iii)
c. (i) and (iii)
d. (ii) and (iv)
Q.Which of the following statement(s) is (are) true about heart ?
i. Left atrium receives oxygenated blood from different parts of body while right atrium receives deoxygenated blood from lungs.
ii. Left ventricle pumps oxygenated blood to different body parts while right ventricle pumps deoxygenated blood to lungs.
iii. Left atrium transfers oxygenated blood to right ventricle which sends it to different body parts.
iv. Right atrium receives deoxygenated blood from different parts of the body while left ventricle pumps oxygenated blood to different parts of the body
c. (ii) and (iv)
d. (i) and (iii)
Q.Which of the following groups of organisms, food material is broken down outside the body and absorbed ?
a. Mushroom, green plants, Amoeba
b. Yeast, mushroom, bread mould
c. Paramoecium, Amoeba, Cuscuta
d. Cuscuta, lice, tapeworm
Q. A: Glomerulus acts as a dialysis bag, B : Bowman's capsule is found in heart.
a. Both 'A' and 'B' are true statements.
b. Both 'A' and 'B' are false statements.
c. A' is true while 'B' is false.
d. A' is false while 'B' is true.
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