Life Processes Class 10 MCQ Study CBSE 2025

Questions ▼

Life Processes Class 10 MCQ Study CBSE. We covered all the Life Processes Class 10 MCQ Study CBSE in this post for free so that you can practice well for the exam.

Install our MCQTUBE Android app from the Google Play Store and prepare for any competitive government exams for free.

We also covered the life processes class 10 MCQ online test with answers quiz on our website for free.

You will get their links in the related posts section below.

Join Telegram Group and Get FREE Alerts! Join Now

Join WhatsApp Group For FREE Alerts! Join Now

Related Posts:

Life Processes Class 10 MCQ Study CBSE Students

Quick Quiz

Photosynthesis occurs in which part of the plant cell?

1. chloroplasts

2. mitochondria

3. cytoplasm

4. nucleus

Option 1 – chloroplasts

Melvin Calvin got Nobel Prize for his studies on carbon : ( Life Processes Class 10 MCQ Study CBSE )

1. light reaction

2. plant hormones

3. carbon fixation

4. photons

Option 3 – carbon fixation

In plants exchange of gases takes place through :

1. stomata

2. palisade Tissue

3. spongy Tissue

4. midrib

Option 1 – stomata

Sinus venous is absent in :

1. man

2. frog

3. salamander

4. fish

Option 1 – man

Open type of circulatory system consists of : ( Life Processes Class 10 MCQ Study CBSE )

1. blood vessels and blood

2. gills and blood

3. auricles and ventricles

4. heart, sinuses and blood

Option 4 – heart, sinuses and blood

White coloured blood occurs in :

1. insects

2. earthworm

3. frog

4. snail

Option 1 – insects

Pericardium is associated with : ( Life Processes Class 10 MCQ Study CBSE )

1. lung

2. kidney

3. heart

4. brain

Option 3 – heart

A four chambered heart occurs in :

1. fishes, birds

2. amphibians, reptiles

3. reptiles, mammals

4. birds, mammals

Option 4 – birds, mammals

Incompletely divided ventricle occurs in :

1. fish

2. frog

3. reptiles

4. birds

Option 3 – reptiles

In man, superior venacava collects blood from : ( Life Processes Class 10 MCQ Study CBSE )

1. right auricle

2. head, legs

3. hands, legs

4. head, neck

Option 4 – head, neck

Venacavae in man, open into :

1. all parts of body

2. left auricle

3. right ventricle

4. left ventricle

Option 1 – all parts of body

The blood vessel that brings oxygenated blood to heart :

1. pulmonary artery

2. post caval vein

3. coronary vein

4. pulmonary vein

Option 4 – pulmonary vein

Heart attack is caused by the blocking of ( Life Processes Class 10 MCQ Study CBSE )

1. pulmonary artery

2. coronary artery

3. coronary vein

4. pulmonary vein

Option 2 – coronary artery

Tricuspid valve is present between :

1. right auricle and left ventricle

2. left auricle and right ventricle

3. left auricle and left ventricle

4. right auricle and right ventricle

Option 4 – right auricle and right ventricle

The valve present between left auricle and left ventricle is : ( Life Processes Class 10 MCQ Study CBSE )

1. mitral

2. tricuspid

3. semilunar

4. pulmonary

Option 1 – mitral

Pulmonary aorta starts from :

1. right ventricle

2. left ventricle

3. right auricle

4. left auricle

Option 1 – right ventricle

Deoxygenated blood from heart is taken to :

1. kidney

2. lung

3. neck

4. stomach

Option 2 – lung

Systemic aorta originates from : ( Life Processes Class 10 MCQ Study CBSE )

1. right ventricle

2. right auricle

3. left auricle

4. left ventricle

Option 4 – left ventricle

Blood pressure of a person is measured by :

1. galvanometer

2. sphygmomanometer

3. barometer

4. thermometer

Option 2 – sphygmomanometer

The number of valves present at the entrance of aorta in left ventricle :

1.2

2.3

3.4

4.5

Option 1 – 2

3 chambered heart occurs in : ( Life Processes Class 10 MCQ Study CBSE )

1. lizard

2. frog

3. crow

4. dog

Option 2 – frog

Caval veins in amphibians from :

1. right auricle

2. left auricle

3. ventricle

4. sinus venous

Option 4 – sinus venous

Ventricle is incompletely divided in : ( Life Processes Class 10 MCQ Study CBSE )

1. crow

2. cat

3. camel

4. lizard

Option 4 – lizard

The substance produced in one part of the body and taken to another part :

1. oxygen

2. phosphorous

3. hormone

4. iodine

Option 3 – hormone

Lymph is a part of :

1. digestive system

2. excretory system

3. nervous system

4. transport system

Option 4 – transport system

Animals without red blood cells : ( Life Processes Class 10 MCQ Study CBSE )

1. frog

2. earthworm

3. snail

4. peacock

Option 2 – earthworm

Sinus venous is associated with :

1. lung

2. kidney

3. stomach

4. heart

Option 4 – heart

Example for open type of circulatory system :

1. amoeba

2. earth worm

3. man

4. butterfly

Option 4 – butterfly

The blood vessel that gathers blood in earth worm is :

1. ventral blood vessel

2. dorsal blood vessel

3. coelomic cavity

4. aorta

Option 2 – dorsal blood vessel

The blood vessel that distributes blood in earth worm is :

1. gills

2. dorsal blood vessel

3. ventral blood vessel

4. lungs

Option 3 – ventral blood vessel

The ventral blood vessel in earthworm is :

1. above alimentary canal

2. above the heart

3. below the lungs

4. below the alimentary canal

Option 4 – below the alimentary canal

In cockroach, the muscles that help in sending the blood into heart :

1. tracheal

2. cardiac

3. alary

4. bronchial

Option 3 – alary

Which of the following is released during photosynthesis?

1. oxygen

2. carbon dioxide

3. light

4. energy

Option 1 – oxygen

Iodine can be used to test the presence of :

1. glucose

2. light

3. starch

4. carbon dioxide

Option 3 – starch

Photosynthetic activity in green plants has to be tested :

1. early in the morning

2. after keeping the plant in dark for 5-6 hours

3. after exposing the plant to light for 2-3 hours

4. in a day any time

Option 3 – after exposing the plant to light for 2-3 hours

Autotrophic organisms

1. Depend on other organisms for food

2. Hunt for the food

3. Synthesize their own food

4. Can not synthesize their food

Option 3 – Synthesize their own food

The process in which energy stored in carbohydrates released is known as :

1. photosynthesis

2. respiration

3. reproduction

4. excretion

Option 2 – respiration

Which of the following is the most important life process :

1. transport

2. excretion

3. photosynthesis

4. nutrition

Option 3 – photosynthesis

In electromagnetic radiation, which of the following has greater wave length than visible light?

1. ultraviolet rays

2. infra red rays

3. cosmic rays

4. x-rays

Option 2 – infra red rays

Birds excrete nitrogenous waste as

(A) uric acid

(B) urea

(D) guanine

Option a – uric acid

Columns of Bertini in the kidneys of mammals are formed as extensions of

(A) medulla into cortex

(B) cortex into medulla

(D) pelvis into ureter

Option b – cortex into medulla

Which one of the following is the CORRECT description of a certain part of a normal human skeleton?

(A) The parietal bone and the temporal bone of the skull are joined by a fibrous joint.

(B) The first vertebra is the axis, which articulates with the occipital condyles.

(D) The glenoid cavity is a depression to which the thigh bone articulates.

Option a – The parietal bone and the temporal bone of the skull are joined by a fibrous joint.

Multipolar neurons are with

(A) two axons and two or more dendrites

(B) one axon and one dendrite

(D) many axons and many dendrites

Option c – one axon and two or more dendrites

An action potential in the nerve fiber is produced when positive and negative charges on the outside and the inside of the axon membrane are reversed, because

(A) more potassium ions enter the axon as compared to sodium ions leaving it.

(B) more sodium ions enter the axon as compared to potassium ions leaving it.

(D) all calcium ions enter the axon.

Option b – more sodium ions enter the axon as compared to potassium ions leaving it.

Identify the structures or regions that are INCORRECTLY paired with their functions.

(A) Hypothalamus: Production of releasing hormones and regulation of temperature, hunger, and thirst.

(B) Limbic system: Consists of fiber tracts that interconnect different regions of the brain; controls movement.

(D) Corpus callosum: Band of fibers connecting left and right cerebral hemispheres.

Option b – Limbic system: Consists of fiber tracts that interconnect different regions of the brain; controls movement.

Which one of the following hormones is responsible for uterine contraction during parturition?

(A) Relaxin

(B) Vasopressin

(D) Prolactin

Option c – Oxytocin

Which one of the following hormones also produces anti-inflammatory reactions in man and suppresses the immune response in addition to its primary functions?

(A) Cortisol

(B) Thymosin

(D) Erythropoietin

Option a – Cortisol

Low Ca in the body fluid is the cause of

(A) tetany

(B) anemia

(D) gout

Option a – tetany

Identify the hormone with its CORRECT matching of source and function.

(A) Oxytocin – posterior pituitary, growth, and maintenance of mammary glands

(B) Melatonin – pineal gland, regulates the normal rhythm of the sleep-wake cycle

(D) Atrial natriuretic factor – ventricular wall, increases the blood pressure

Option b – Melatonin – pineal gland, regulates the normal rhythm of the sleep-wake cycle

In a polysaccharide, a number of monosaccharides are linked by

(A) glycosidic bond

(B) peptide bond

(D) phosphoester bond

Option a – glycosidic bond

Which of the following is NOT a part of the small intestine?

(A) Duodenum

(B) lleum

(D) Jejunum

Option c – Caecum

Intrinsic factor is secreted from

(A) goblet cells

(B) oxyntic cells

(D) chief cells

Option b – oxyntic cells

Which one of the following statements is true regarding the digestion and absorption of food in humans?

(A) Oxyntic cells in our stomach secrete the proenzyme pepsinogen.

(B) Fructose and amino acids are absorbed in the large intestine.

(D) About 60% of starch is hydrolyzed by salivary amylase in our mouth.

Option c – Chylomicrons are small lipoprotein particles that are transported from the intestine into blood capillaries.

From the following identify the disorder that is NOT associated with the digestive system.

(A) Tetanus

(B) Diarrhoea

(D) Dysentery

Option a – Tetanus

The alternation of generations in Coelenterata is known as

(A) Metamorphosis

(B) Metagenesis

(D) Ecdysis

Option b – Metagenesis

Planaria possesses a high capacity of

(A) metamorphosis

(B) regeneration

(D) bioluminescence

Option b – regeneration

Ascaris is characterized by

(A) the presence of true coelom and metamerism.

(B) presence of neither true coelom nor metamerism.

(D) presence of true coelom, but the absence of metamerism.

Option b – presence of neither true coelom nor metamerism

Which one of the following statements is CORRECT?

(A) Roundworms (Aschelminthes) are pseudocoelomates.

(B) Mollusks are acoelomates.

(D) Flatworms (Platyhelminthes) are coelomates.

Option a – Roundworms (Aschelminthes) are pseudocoelomates

The ciliated columnar epithelial cells in humans are known to occur in

(A) Eustachian tube and stomach lining

(B) Bronchioles and fallopian tube

(D) Fallopian tube and urethra

Option b – Bronchioles and fallopian tube

Which of the following is agranulocyte?

(A) Basophil

(B) Neutrophil

(D) Eosinophil

Option c – Lymphocyte

Bioluminescence is a characteristic feature of

(A) Platyhelminthes

(B) Coelenterata

(D) Mollusca

Option c – Ctenophora

Which of the following are also known as collar cells?

(A) Choanocytes

(B) Statocysts

(D) Cnidoblasts

Option a – Choanocytes

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 class 10 MCQ study cbse 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.