Friday, 22 February 2019

Solved Biology 10th Class MCQs Punjab Board Exams

Solved MCQs of Biology 10th Class For the Class of Tenth. All MCQs of Punjab board exams notes in this section you will get easily Biology MCQs for the exams preparations. Solved MCQs for the class preparations and also for the MCAT preparations.

File:10th Class Punjab Board Exams Biology.svg
10th Biology MCQs

Here Chapter wise MCQs of the Biology Punjab board exams.


10th Class Biology Punjab Board Chapter 1 Gaseous Exchange

Question 1: In man, the system of gaseous exchange is ?
  1. nervous system
  2. respiratory system
  3. excretory system
  4. Digestive system
B
Question 2: Cartilage is absent in ?
  1. bronchioles
  2. trachea
  3. Larynx
  4. bronchi
A
Question 3: Lungs are enclosed in a membrane called ?
  1. Peritonium
  2. Pleural membrane
  3. pericardium
  4. epidermis
B
Question 4: The major cause of lungs cancer is ?
  1. Nicotine
  2. radiation
  3. smoking
  4. viral infection
C
Question 5: In wood stems and roots, the gaseous exchange occurs through ?
  1. micropyle
  2. Lenticels
  3. stomata
  4. Epidermal cells
B
Question 6: In man, the passage of air is ?
  1. Nasal cavity, Nostrils, larynx, pharynx, trachea, bronchi, bronchioles, alveolar duct, alveoli
  2. Nostrils, nasal cavity, pharynx, trachea, larynx,bronchi, bronchioles, alveolar duct, alveoli
  3. Nostrils, nasal cavity, larynx, pharynx, trachea, bronchi, bronchioles, alveolar duct, alveoli
  4. Nostrils, nasal cavity, pharynx, larynx, trachea, bronchi, bronchioles, alveolar duct, alveoli
D
Question 7: It is also called sound box ?
  1. Trachea
  2. bronchus
  3. larynx
  4. pharynx
C
Question 8: The uncontrolled cell divisions in lungs tissue is called ?
  1. Bronchitis
  2. emphysema
  3. cancer
  4. Asthma
C
Question 9: A disease involving the breakdown of air sacs of the lungs is ?
  1. asthma
  2. emphysema
  3. Bronchitis
  4. pneumonia
B
Question 10: The Correct list of respiratory disorders is ?
  1. Asthma, pneumonia, haemophylia, typhoid
  2. Asthma, blood cancer, emphysema, cholera
  3. Asthma, cholera, emphysema, malaria
  4. Asthma, emphysema, pneumonia, Bronchitis
D
Question 11: The structural and functional unit of lungs is ?
  1. Alveolus
  2. Bronchioles
  3. Pharynx
  4. Trachea
A
Question 12: In plants, gaseous exchange takes place as ?
  1. CO₂ and O₂ both are absorbed
  2. CO₂ is removed and O₂ is absorbed
  3. CO₂ and O₂ both are removed
  4. CO₂ is absorbed and O₂ is removed
D

10th Class Biology Punjab Board Chapter 2 Homeostasis

Question 1: The normal body temperature of man is ?
  1. 37⁰C
  2. 57⁰C
  3. 27⁰C
  4. 47⁰C
A
Question 2: The organ of excretory system which makes urine after filtration of blood ?
  1. Glands
  2. kidney
  3. Lungs
  4. Liver
B
Question 3: The unit of excretory system is ?
  1. Neuron
  2. Alveolus
  3. Nephron
  4. Loop of Henle
C
Question 4: It plays important role in keeping body temperature constant ?
  1. Kidney
  2. Skin
  3. Liver
  4. Lungs
B
Question 5: The plants living in dry environment are ?
  1. Halophytes
  2. Hydrophytes
  3. Epiphytes
  4. xerophytes
D
Question 6: The U-shaped part of renal tubule is called ?
  1. Bowman capsule
  2. Loop of Henle
  3. glomerulus
  4. Renal Pelvis
B
Question 7: How many ureters take part in human excretory system ?
  1. One
  2. Five
  3. Three
  4. Two
D
Question 8: Adoptions found in plants to keep the balance of carbon dioxide and oxygen are ?
  1. Stomata
  2. Photosynthesis
  3. all of these
  4. transpiration
C
Question 9: The organ which performs Osmoregulation function is ?
  1. Kidneys
  2. Skin
  3. Lungs
  4. Stomach
A
Question 10: The chemical composition of glomerulus filtrate is ?
  1. Glucose + Urea + Proteins + Water
  2. Salts + Glucose + Blood cells
  3. Blood cells + Proteins + water
  4. Water +Salts +Glucose +Urea
D
Question 11: The example muciliage excreting plant is ?
  1. Conifers
  2. Keekar
  3. Rubber
  4. Lady finger
D
Question 12: The function of kidneys is ?
  1. removal of oxygen
  2. absorption of food
  3. food transport
  4. Urine formation
D

10th Class Biology Punjab Board Chapter 3 Coordination and Control

Question 1: How many diseases of eyes were described by Ali Ibn Isa in his books ?
  1. 150
  2. 120
  3. 130
  4. 110
C
Question 2: The components of Coordination action are ?
  1. Seven
  2. Two
  3. Five
  4. Three
C
Question 3: In man which hormone is responsible for the development of secondary sex characters ?
  1. testosterone
  2. Progesterone
  3. oxytocin
  4. Estrogen
A
Question 4: The sequence of components of a coordinated action is ?
  1. Effector -------> Response -------> Stimulus -------> effector -------> receptor
  2. Receptors -------> effector -------> Stimulus -------> receptors -------> response
  3. Stimulus -------> receptor -------> co-ordinator -------> effector -------> response
  4. Stimulus -------> receptors -------> coordinator -------> response -------> effector
C
Question 5: The hormone which increases the rate of reabsorption of water from nephron is ?
  1. Vesopression
  2. epinephrine
  3. Insulin
  4. Glucagon
A
Question 6: The number of axons present in sensory neuron is ?
  1. One
  2. Three
  3. many
  4. Two
A
Question 7: The parts of the body which receive messages from coordinator and produce particular responses are called ?
  1. neurons
  2. Effectors
  3. hormones
  4. coordinators
B
Question 8: The sensive layer of eye is ?
  1. iris
  2. Sclera
  3. retina
  4. choroid
C
Question 9: The structural and functional unit of nervous system is ?
  1. nerve
  2. nephron
  3. Neuron
  4. cell body
C
Question 10: The deficiency of which harmone causes goiter ?
  1. Insulin
  2. thyroxin
  3. parathormone
  4. epinephrine
B
Question 11: In ertina, the photosensitive cells are ?
  1. cones
  2. both (a) and (b)
  3. neurons
  4. Rods
B
Question 12: Sound receptor cells are present in ?
  1. cochlea
  2. eardrum
  3. vestibule
  4. Pinna
A

10th Class Biology Punjab Board Chapter 4 Support and Movement

Question 1: It is not a disorder of skeletal muscle ?
  1. Tatney
  2. Osteo-arthritis
  3. Arthritis
  4. Osteoporosis
D
Question 2: Appendicular skeleton is composed of ?
  1. 122 bones
  2. 120 bones
  3. 126 bones
  4. 124 bones
C
Question 3: The type of arthritis in which the joints become totally immoveable ?
  1. Gout
  2. Osteo-arthritis
  3. Rheumatoid arthritis
  4. None of these
B
Question 4: The number of bones in human skeleton is ?
  1. 306
  2. 406
  3. 206
  4. 106
C
Question 5: Which statement is not true about cartilage ?
  1. Calcium and phosphate minerals are absent in the matrix of cartilage
  2. Blood vessels enter into cartilage
  3. The cells of cartilage are called chondrocytes
  4. Cartilage is less strong than bone
B
Question 6: The bonds which attach muscles to bones are called ?
  1. Tendons
  2. Muscles
  3. Ligaments
  4. Cartilage
A
Question 7: Bone narrow are present in ?
  1. Spongy bone
  2. Tendon
  3. Compact bone
  4. Cartilage
A
Question 8: The examples of hinge joints are ?
  1. Shoulder joints
  2. Neck joints
  3. Arm and shoulder joints
  4. Knee and elbow joints
D
Question 9: The hardest connective tissue of body is ?
  1. Bone
  2. Cartilage
  3. Ligaments
  4. Tendons
A
Question 10: The bands of connective tissue which prevent dislocation of bones at joints are ?
  1. Ligaments
  2. Cartilage
  3. Tendons
  4. Muscles
C
Question 11: The example of fixed joints is ?
  1. Joints between skull bones
  2. Knee joints
  3. Shoulder joints
  4. Joints between the vertebrae
A
Question 12: Arthritus means ?
  1. Deficiency of calcium
  2. Fracture
  3. Crystallization
  4. Inflammation
D

10th Class Biology Punjab Board Chapter 5 Reproduction

Question 1: Planaria reproduces asexually by ?
  1. Binary fission
  2. Budding
  3. Parthenogenesis
  4. Spore formation
A
Question 2: Essential process for continuation of species is ?
  1. Locomotion
  2. Reproduction
  3. Respiration
  4. Cloning
B
Question 3: Short underground stems surrounded by thick, flashy leaves that contain stored food are called ?
  1. Bulbs
  2. Stem tubers
  3. Sucker’s
  4. Corms
A
Question 4: Vegetative propagation by leaves is found in ?
  1. Ginger
  2. Potatoes
  3. Bryophyllum
  4. Onions
C
Question 5: Male gametes are called ?
  1. Eggs
  2. Ovaries
  3. Testes
  4. Sperms
D
Question 6: The fusion of male and female gametes is called ?
  1. Pollination
  2. Fertilization
  3. Reproduction
  4. Propagation
B
Question 7: Seedless fruits plants are propagated by ?
  1. Cloning
  2. Suckers
  3. Cutting
  4. Grafting
D
Question 8: Inside testes, the sperms are produced in ?
  1. Sperm duct
  2. Vas deferens
  3. Seminiferous tubules
  4. Collecting ducts
C
Question 9: Seed is formed from ?
  1. Ovary
  2. Ovule
  3. Radical
  4. Plumule
B
Question 10: The simplest method of asexual reproduction is ?
  1. Budding
  2. Fragmentation
  3. Parthenogenesis
  4. Binary fission
D
Question 11: Horizontal underground stems with scale leaves are called ?
  1. Bulbs
  2. Rhizomes
  3. Corms
  4. Stem tubers
B
Question 12: In the life cycle of plants, how many generations alternate with each other ?
  1. Two
  2. Five
  3. Three
  4. Four
A

10th Class Biology Punjab Board Chapter 6 Inheritance

Question 1: Adenine always pairs with ?
  1. Thymine
  2. Guanine
  3. Uracil
  4. Cytosine
A
Question 2: Genes are located on ?
  1. Proteins
  2. DNA
  3. Nucleotide
  4. Chromosomes
B
Question 3: ABO bloods system is controlled by a gene I. The number of alleles of this gene are ?
  1. Three
  2. Two
  3. Five
  4. Many
A
Question 4: It is a homozygous genotype ?
  1. AA
  2. aa
  3. both (a) and (b)
  4. Aa
C
Question 5: The genotype of wrinkled green seeds was ?
  1. RRyy
  2. rryy
  3. RyYr
  4. RRYY
B
Question 6: In human body cells, the number of chromosomes present are ?
  1. 23
  2. 46
  3. 48
  4. 52
B
Question 7: How many contrasting pairs of characters of pea plant were studied by Mendel ?
  1. Three
  2. Seven
  3. Four
  4. One
B
Question 8: In dihybrid cross, the genotype ratio of F₂ generation is ?
  1. 1 : 1 : 1 : 1
  2. 1 : 3 : 1 : 1
  3. 1 : 2 : 2 : 1
  4. 9 : 3 : 3 : 1
D
Question 9: The relationship between the alleles IA and IBof the blood group is ?
  1. Recessiveness
  2. Co-dominance
  3. Complete dominance
  4. Incomplete dominance
B
Question 10: The alternate forms of a gene are called ?
  1. Traits
  2. Companion genes
  3. Homologous genes
  4. Alleles
D
Question 11: There are how many hydrogen bonds between cytosine and guanine ?
  1. Three
  2. Two
  3. Four
  4. One
A
Question 12: How many genotypes are possible for the allele “A” and “a” ?
  1. Three
  2. Four
  3. Seven
  4. Two
B

10th Class Biology Punjab Board Chapter 7 Man and His Environment

Question 1: A group of organisms of the same species inhabiting a specific geographical area at a particular time is called ?
  1. Population
  2. Species
  3. Community
  4. Ecosystem
A
Question 2: The producers of ecosystem are ?
  1. Fungi
  2. Bacteria
  3. Green Plants
  4. Man
C
Question 3: The materials flow from one trophic level to the next by means of ?
  1. Food webs
  2. Food chains
  3. Both (a) and (b)
  4. Energy pyramids
C
Question 4: Consumers include ?
  1. Fungi
  2. All of these
  3. Protozoan’s
  4. Animals
B
Question 5: The factor of an ecosystem is ?
  1. Algae
  2. Light
  3. Bacteria
  4. Producers
B
Question 6: It is an example of endoparasite ?
  1. Leeches
  2. Lice
  3. Mosquitoes
  4. Plasmodium
D
Question 7: In the food chain “grass ------> grasshopper ------> sparrow ------> hawk”, the secondary consumer is ?
  1. Sparrow
  2. Hawk
  3. Grass
  4. Grasshopper
A
Question 8: In ecosystem, the role of decomposers is played by ?
  1. Algae
  2. Bacteria and fungi
  3. Animals
  4. Plants
B
Question 9: Nitrobactor bacteria convert nitrites into ?
  1. Nitrates
  2. Urea
  3. Ammonia
  4. Nitrogen
A
Question 10: All the populations that live in a habitat and interact in various ways with one another are collectively called ?
  1. Community
  2. Ecosystem
  3. Populations
  4. Biosphere
A
Question 11: During nitrogen fixation nitrogen is converted into ?
  1. Nitrates
  2. Nitrates
  3. Ammonia
  4. all of these
A
Question 12: In the atmosphere, carbon is found as ?
  1. Carbonates
  2. Diamond
  3. Graphite
  4. Carbon dioxide
D

10th Class Biology Punjab Board Chapter 8 Biotechnology

Question 1: Find the correct match for the fermentation product and the organism involved ?
  1. Glycerol – Aspergillus
  2. Glycerol – Bacillus
  3. Formic acid Aspergillus
  4. Ethanol – Bacillus
C
Question 2: Urokinase is used ?
  1. As pain killer
  2. To dissolve blood clots
  3. To synthesize insulin
  4. To kill bacteria
B
Question 3: The rise of the bread is due to ?
  1. Pyruvic acid
  2. Carbon dioxide
  3. Acetaldehyde
  4. Ethanol
B
Question 4: The process in which incomplete oxidation reduction of glucose takes place is called ?
  1. Respiration
  2. Fermentation
  3. Photosynthesis
  4. Pasteurization
B
Question 5: It is an anti-viral protein ?
  1. Insulin
  2. Urokinase
  3. Thymosin
  4. Interferon
D
Question 6: The organisms with modified genetic setup are called ?
  1. Mutant’s
  2. Transgenic organisms
  3. Ugenic organism’s
  4. Genetic organism’s
B
Question 7: The work on genetic engineering started in ?
  1. 1946
  2. 1944
  3. 1952
  4. 1948
B
Question 8: Single-Cell protein (SCP) refers to the protein content extracted from pure or mixed cultures of ?
  1. Algae, viruses, bacteria
  2. Algae, yeasts, fungi or bacteria
  3. Fungi or bacteria
  4. Algae, yeasts
B
Question 9: Genetically modified organism is called ?
  1. DNA
  2. DSS
  3. DHF
  4. GMO
D
Question 10: E.coli bacterium is capable of synthesizing the ?
  1. Beta-endorphin
  2. Insulin
  3. Thymosin
  4. Human growth hormone
D
Question 11: The last step of genetic engineering is ?
  1. Isolation of the gene of interest
  2. Growth of the GMO
  3. Insertion of the gene into a vector
  4. Expression of the gene
D
Question 12: It is effective against brain and lung cancer ?
  1. Insulin
  2. Thymosin
  3. Human growth hormone
  4. Beta-endorphin
B

10th Class Biology Punjab Board Chapter 9 Pharmacology

Question 1: --------- is the study of drug composition, properties and medical application ?
  1. Medicinology
  2. Drug Studiology
  3. Pharmiocology
  4. Pharmacology
D
Question 2: -------- are used to develop immunity against viral and bacterial infections ?
  1. Antibiotics
  2. Vaccines
  3. Analgesics
  4. Sedatives
B
Question 3: -------- is a hallucinogen, which is smoked ?
  1. Opium
  2. Cocaine
  3. Heroin
  4. Marijuana
D
Question 4: --------- are used to inhibit or kill bacteria and treat bacterial infections ?
  1. Sedatives
  2. Antibiotics
  3. Vaccines
  4. Analgesics
B
Question 5: The pain killer drugs are called ?
  1. Analgesics
  2. Antibiotics
  3. Sedatives
  4. Vaccines
A
Question 6: Which one of these are used to treat pneumonia, sore throat, tonsillitis and bronchitis etc ?
  1. None of these
  2. Sulfonamides
  3. Cephalosporins
  4. Tetracyclines
C
Question 7: The medicine for giving strength to heart muscles is ?
  1. Cardiotonic
  2. Cervix
  3. Carpel
  4. Cerebellum
A
Question 8: Until 1890, the subject of pharmacology was known as ---------- ?
  1. Materia Medica
  2. Herbal Medica
  3. Homeopathy Materia
  4. Medicine Materia
A
Question 9: ------- are perceptions that have no basis in reality, but that appear entirely realistic ?
  1. Hallucination
  2. Delusions
  3. None of these
  4. Olfactory
A
Question 10: Which one of the following induce sedation by reducing irritability or excitement ?
  1. Analgesics
  2. Vaccines
  3. Antibiotics
  4. Sedatives
D
Question 11: When bacteria are exposed to the same antibiotics over and over, they can change and ---------- ?
  1. become more lethal
  2. are no longer affected by the drug
  3. get completely eliminated
  4. spread more quickly
B
Question 12: Any chemical substance used in the diagnosis, cure, treatment or prevention of diseases is known as ?
  1. Addictive drug
  2. Pharmaceutical drug
  3. Biopharma drug
  4. Biopharmaceutical drug
B

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