Biology Class 10 Life Processes MCQ. We covered all the Biology Class 10 Life Processes MCQ in this post for free so that you can practice well for the exam.
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MCQ on Life Processes for Class 10th Students
Birds excrete nitrogenous waste as
(A) uric acid
(B) urea
(C) NH3
(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
(C) medulla into pelvis
(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.
(C) The 9th and 10th pairs of ribs are called the floating ribs.
(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
(C) one axon and two or more dendrites
(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.
(C) all potassium ions leave the axon.
(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.
(C) Medulla oblongata: Controls respiration and cardiovascular reflexes.
(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
(C) Oxytocin
(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
(C) Thyrocalcitonin
(D) Erythropoietin
Option a – Cortisol
Low Ca in the body fluid is the cause of
(A) tetany
(B) anemia
(C) angina pectoris
(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
(C) Progesterone – corpus luteum, stimulation of growth and activities of female secondary sex organs
(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
(C) hydrogen bond
(D) phosphoester bond
Option a – glycosidic bond
Which of the following is NOT a part of the small intestine?
(A) Duodenum
(B) lleum
(C) Caecum
(D) Jejunum
Option c – Caecum
Intrinsic factor is secreted from
(A) goblet cells
(B) oxyntic cells
(C) argentaffin 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.
(C) Chylomicrons are small lipoprotein particles that are transported from the intestine into blood capillaries.
(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
(C) Jaundice
(D) Dysentery
Option a – Tetanus
The alternation of generations in Coelenterata is known as
(A) Metamorphosis
(B) Metagenesis
(C) Metamerism
(D) Ecdysis
Option b – Metagenesis
Planaria possesses a high capacity of
(A) metamorphosis
(B) regeneration
(C) alternation of generation
(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.
(C) absence of true coelom, but the presence of 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.
(C) Insects are psuedocoelomates.
(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
(C) Bile duct and oesophagus
(D) Fallopian tube and urethra
Option b – Bronchioles and fallopian tube
Which of the following is agranulocyte?
(A) Basophil
(B) Neutrophil
(C) Lymphocyte
(D) Eosinophil
Option c – Lymphocyte
Bioluminescence is a characteristic feature of
(A) Platyhelminthes
(B) Coelenterata
(C) Ctenophora
(D) Mollusca
Option c – Ctenophora
Which of the following are also known as collar cells?
(A) Choanocytes
(B) Statocysts
(C) Nematocysts
(D) Cnidoblasts
Option a – Choanocytes
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