LIFE PROCESS
Understanding Life Processes Quiz
Test your knowledge on the crucial life processes that sustain organisms. This quiz encompasses various aspects of nutrition, respiration, circulation, and excretion in living beings.
Challenge yourself with 40 multiple-choice questions covering:
- Nutrition modes
- Photosynthesis and respiration
- Circulatory systems
- Nephron fun
ction
Which of the following are energy foods?
Carbohydrates and fats
Proteins and mineral salts
Vitamins and minerals
Water and roughage
In which mode of nutrition an organism derives its food from the body of another living organism without killing it?
Saprotrophic nutrition
Parasitic nutrition
Holozoic nutrition
Autotrophic nutrition
The mode of nutrition found in fungi is:
Parasitic nutrition
Holozoic nutrition
Autotrophic nutrition
Saprotrophic nutrition
Roots of the plants absorb water from the soil through the process of :
Diffusion
Transpiration
Osmosis
None of these
The site of photosynthesis in the cells of a leaf is
Chloroplast
Mitochondria
Cytoplasm
Protoplasm
In amoeba, food is digested in the :
Food vacuole
Mitochondria
Pseudopodia
Chloroplast
Which of the following events in the mouth cavity will be affected if salivary amylase is lacking in the saliva?
Starch breaking down into sugar
Proteins breaking down into amino acids
Absorption of vitamins
Fats breaking down into fatty acids and glycerol
Which region of the alimentary canal absorbs the digested food?
Stomach
Small intestine
Large intestine
Liver
The contraction and expansion movement of the walls of the food pipe is called:
Translocation
Transpiration
Peristaltic movement
Digestion
When a few drops of iodine solution are added to rice water, the solution turns blue-black in colour. This indicates that rice water contains::
Fats
Complex proteins
Starch
Simple proteins
The exit of unabsorbed food material is regulated by
Liver
Anus
Small intestine
Anal sphincter
What are the products obtained by anaerobic respiration in plants?
Lactic acid+energy
Carbon dioxide+water+energy
Ethanol+carbon dioxide+energy
Pyruvate
The breakdown of pyruvtae to give carbon dioxide, water and energy takes place in
Cytoplasm
Mitochondria
Chloroplast
Nucleus
Glycolysis process occurs in which part of the cell?
Cytoplasm
Nucleus
Mitochondria
Chloroplast
Name the substance whose build up in the muscles during vigorous physical exercise may cause cramps?
Ethanol+carbon dioxide+energy
Lactic acid+energy
Carbon dioxide+energy+water
Pyruvate
Name the pores in a leaf through which respiratory exchange of gases takes place
Lenticels
Vacuoles
Xylem
Stomata
The respirator pigment in human being is :
Carotene
Chlorophyll
Haemoglobin
Mitochondria
Which plant tissue transport water and minerals from the roots to the leaf?
Xylem
Phloem
Parenchyma
Collenchyma
The movement of food in phloem is called
Transpiration
Translocation
Respiration
Evaporation
A blood vessel which pumps the blood from the heart to the entire body
Artery
Capillary
Vein
Haemoglobin
Name a circulatory fluid in the human body other than blood
Platelets
RBC
Lymph
Plasma
Single circulation, I.e blood flows through the heart only during one cycle of passage through the body, is exhibited by which of the following
Hyla, rana . draco
Whale , dolphin, turtle
Labeo, chameleon, salamander
Hippocampus , exocoetus, anabas
Name the tube which connects the kidney to the uninary bladder.
Urethra
Nephron
tubule
Ureter
Which part of nephron allows the selective reabsorption of useful substances like glucose, amino acids, salts and water into the blood capillaries?
Tubule
Glomerulus
Bowman's capsule
Ureter
Where is the dirty blood in our body filtered?
Heart
Lungs
Ureter
Kidneys
The procedure used for cleaning the blood of a person by separating urea from it is called.
Osmosis
Filtration
Dialysis
Double circulation
Autotrophic organism include
Bacteria and virus
Bacteria and fungi
Green plants and some bacteria
Green plants and all bacteria
A gland not associated with the alimentary canal is
Liver
Salivary glands
Pancreas
Adrenal
Which of the following are chiefly digested in the stomach?
Carbohydrates
Proteins
Lipids
Fats
Large intestine in man mainly carried out
Absorption
Assimilation
Digestion of fats
Digestion of carbohydrates
The part of digestive system where no digestion takes place is
Ileum
Stomach
Mouth
Oesophagus
A large quantity of one of the following is removed from our body by lungs:
CO2 and H2O
CO2 only
FLO only
Ammonia
A biochemical compound that readily combines with oxygen and distributes it throughout the human body is
Water
Urea
Haemoglobin
Acetylcholine
The process in which loss of water takes place in the form of water vapour through stomata is called
Transportation
Transpiration
Guttation
Translocation
In a closed circulation system, blood is completely enclosed within
Vessels
Heart
Skeleton
Sinuses
Normal blood Pressure (systolic /Diastolic) is
120/80 mm of Hg
160/80 mm of Hg
120/60 mm of Hg
180/80 mm of Hg
Blood pressure is measure is measured by an instrument called
Barameter
Sphygmomanometer
Photometer
Manometer
Which of the following statements is not correct
Deoxygenated blood is poured into right atrium of heart
The excretory units of flatworms are flame cells
Human Kidney has about 1 millon nephridia
Tracheids and Vessels are non- living conducting tissues.
Which part of alimentary canal receives bile from the liver?
Stomach
Small intestine
Large intestine
Oesophagus
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