Life Processes MCQ Online Test. We covered all the Life Processes MCQ Online Test in this post for free so that you can practice well for the exam.
We also covered some other topics of chemistry like biology, and industrial chemistry MCQ on our website for free. You will get their respective links in the related posts section below.
Related Posts:
MCQ on Life Processes for Students
During the process of respiration :
1. enzymes are synthesized
2. large number of ATP molecules are utilized
3. organic substances are utilized
4. fats never participate
Option 3 – organic substances are utilized
In anaerobic respiration :
1. glycolysis does not take place
2. water molecule is split
3. oxygen acts as a final electron acceptor
4. ethyl alcohol is the common end product
Option 4 – ethyl alcohol is the common end product
Oxidative phosphorylation is the formation of :
1. ADP during aerobic respiration
2. NADP during anaerobic respiration
3. ATP during aerobic respiration
4. ATP during presence of sun light
Option 3 – ATP during aerobic respiration
Conversion of glucose to pyruvic acid yields a net gain of :
1.2 molecules of ATP
2. 36 molecules of ATP
3. 4 molecules of ATP
4. 38 molecules of ATP
Option 1 – 2 molecules of ATP
Maximum rate of respiration takes place :
1. 10°C -25°C
2.30°C -40°C
3. 60°C-100°C
4. more than 100°C
Option 2 – 30°C -40°C
Respiration differs from combustion in :
1. release of heat all at once
2. release of heat at several stages
3. initial burning of the substance
4. initial supply of oxygen
Option 2 – release of heat at several stages
In one of the following is observed only aerobic respiration :
1. muscles
2. yeast
3. tetanus bacteria
4. germinating seeds
Option 4 – germinating seeds
For the oxidation, carbohydrates should be in the form of :
1. starch
2. cellulose
3. glucose
4. fats
Option 3 – glucose
Cellular respiration takes place in the
1. cytoplasm
2. nucleus
3. chloroplast
4. mitochondria
Option 4 – mitochondria
Respiration takes place in presence of :
1. light
2. chlorophyll
3. optimum temperature
4. moisture
Option 3 – optimum temperature
Single celled organisms take in oxygen from:
1. air
2. soil
3. water
4. both air and water
Option 3 – water
Terrestrial animals take in oxygen from :
1. pond
2. river
3. air
4. sea
Option 3 – air
Respiratory organs in cockroach are :
1. blood vessels
2. mucous glands
3. gills
4. trachea
Option 4 – trachea
Respiration in amoeba occurs by :
1. transpiration
2. osmosis
3. diffusion
4. inhalation
Option 3 – diffusion
Cutaneous respiration occurs in :
1. cockroach
2. salamander
3. crab
4. parrot
Option 2 – salamander
Skin has no respiratory role in :
1. earthworm
2. lizard
3. frog
4. salamander
Option 2 – lizard
Coelomic fluid in earthworm comes out through :
1. mouth
2. dorsal pores
3. pulmonary vein
4. anus
Option 2 – dorsal pores
Amphibious animal
1. leech
2. earthworm
3. frog
4. cockroach
Option 3 – frog
Tracheae are found in :
1. megascolex
2. bony fish
3. salamander
4. butterfly
Option 4 – butterfly
In cockroach, the tracheal system opens to out side through :
1. anus
2. mouth
3. dorsal pores
4. stigmata
Option 4 – stigmata
The energy released in respiration is obtained from
1. Synthesis of carbohydrates
2. Cellular functions
3. Oxidation of glucose
4. Synthesis of proteins
Option 3 – Oxidation of glucose
The energy utilised in photosynthesis is obtained from
1. Sunlight
2. Oxidation of glucose
3. Breakdown of proteins
4. Breakdown of glucose
Option 1 – Sunlight
Oxidative phosphorylation occurs in
1. Chloroplast
2. Mitochondria
3. Cytoplasm
4. Nucleus
Option 2 – Mitochondria
Photophosphorylation occurs in
1. Mitochondria
2. Cytoplasm
3. Chloroplast
4. Nucleus
Option 3 – Chloroplast
Synthesis of new molecules in the cell requires the following energy
1. Mechanical
2. Electrical
3. ATP
4. Heat
Option 3 – ATP
We covered all the life processes MCQ online test above in this post for free so that you can practice well for the exam.
Check out the latest MCQ content by visiting our mcqtube website homepage.
