Biology 10th Class Guess Paper 2021 | Punjab Board

Biology 10th Class Guess Paper 2021
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Welcome to our website. Here we are providing the SSC Part-II (10th class) annual exams Biology guess papers. As the Punjab Government has announced the 10th class annual exams date sheet 2021. According to the 10th date sheet 2021, the first paper will be on 29 July 2021. So, to assist the students in the Biology paper, here we are providing the guesses. 

Guess papers help the students get an idea regarding the important points and questions from the books or syllabus. However, our team also made some guess papers that will hopefully help you a lot. However, the uploaded Biology guess papers are according to the smart syllabus. This year, the Punjab government issued a reduced syllabus through which students can study specific topics.

10th Class Computer Science (guess paper) Important Short Question

Unit 10

  • Difference b/w breathing & respiration
  • Lenticels & their function
  • Larynx & function
  • Voice box & vocal cords
  • How sound is produced in larynx?
  • Trachea, its length, role of C shaped rings in it
  • Alveoli & function
  • Pleural membranes & function
  • Inhalation & exhalation
  • Bronchitis & types
  • Emphysema
  • Asthma, symptoms & reasons
  • Nicotine & harmful effects
  • Stoma & lenticels

Unit 11

  • Homeostasis with examples
  • Osmoregulation & Thermoregulation
  • Excretion
  • Are guttation and dew synonyms?
  • Hydrophytes, Xerophytes & halophytes with examples
  • Skin & function
  • Organs of urinary system of man
  • Parts of nephron
  • Renal corpuscle & its parts
  • Lithotropsy
  • Renal tubule
  • Kidney failure & its causes
  • Kidney transplant

Unit 12

  • Coordination & types
  • Stimulus & examples
  • Receptors & effectors examples
  • Coordinators & examples
  • Effectors & examples
  • Response & example
  • Types of nerves
  • Hypothalamus & its function
  • Somatic nervous system
  • Parts of inner ear
  • Functions of oxytocin hormone
  • Nervous system
  • Reflex action & reflex arc
  • Endocrine system

Unit 13

  • Difference b/w exoskeleton & endoskeleton
  • Function of skeletal system
  • Cartilage & its structure
  • Types of cartilage with definitions
  • Bone & its function
  • Compact bone
  • Difference b/w cartilage & bone
  • Appendicular skeleton
  • Types of joints & examples
  • Difference b/w hinge and ball and socket joints
  • Tendon & its function
  • Origin & insertion
  • Antagonism
  • Osteoporosis
  • Rheumatoid arthritis its symtoms & causes
  • Gout & its causes & symptoms

Unit 14

  • Sexual & asexual reproduction
  • Parthenogenesis with example
  • Bulbs & examples
  • Disadvantages of vegetative propagation
  • Cloning & tissue culture
  • Alternation of generation in plants
  • Pollination & its types
  • Double fertilization
  • Epigeal & hypogeal germination with examples
  • Conditions necessary for seed germination
  • Internal & external fertilization
  • Oogenesis
  • Causes of spread of AIDS

Unit 15

  • Nitrogenous bases present in DNA double helix
  • Genotype & phenotype
  • Monohybrid cross
  • Mendel’s law of segregation
  • Di-hybrid cross
  • Mendal’s law od independent assortment
  • Co-dominance & example
  • Sources of variations
  • Difference b/w continuous & discontinuous variation
  • Difference b/w artificial & natural selection
  • Difference b/w breeds & varities
  • Main sources of variations in sexually reproducing population

Unit 16

  • Food chain & Food web with examples
  • Ecological pyramid
  • Nitrogen fixation
  • Nitrification & de-nitrification
  • Assimilation
  • Predation & example
  • Difference b/w ecto-parasites & endo- parasites
  • Mutualism & Commensalism with example
  • Global warming
  • Acid rain & how it is formed?

Unit 17

  • Biotechnology
  • Genetic engineering & its objectives
  • Types of fermentation
  • Fermentation with reference to biotechnology
  • Alcoholic fermentation & its importance
  • Lactic acid fermentation
  • Names of organism involved in fermentation & uses
  • Fermenter & its advantages
  • Continuous fermentation
  • Four achievements of genetic engineering
  • Single cell protein

Unit 18

  • Pharmacology
  • Medicinal & addictive drugs
  • Synthetic drugs & examples
  • Analgesics & examples
  • Antibiotics & examples
  • What drugs are obtained from animals?
  • Narcotics & examples and uses
  • Antibiotics
  • Difference b/w bactericidal & bacteriostatic antibiotics
  • Vaccines
  • Hallucinogens
  • Social stigma
  • Vaccines
  • Work of JosephLister Problems of drug addiction

10th Class Computer Science (guess paper) Important Long Question

  • Define osmoregulations. Describe the role of kidney in osmoregulations.
  • Describe the structure & function of human brain.
  • Explain reflex action & reflex arc with diagram.
  • Describe the structure of human eye.
  • What is thyroid gland? Name its hormones & describe their functions.
  • What is neuron or nerve cells. Describe its structure.
  • Write a note on structure & function of human brain.
  • Define joint. Describe different types of joints.
  • Explain antagonism in muscle action selecting biceps & triceps as examples.
  • Define arthritis. Write its symptoms & treatment. Also describe its types.
  • What do you know about cartilage? Describe its types. What is meant by binary fission.
  • How asexual reproduction takes place in bacteria, amoeba and planaria.
  • What is meant by vegetative propagation.
  • Describe different ways of natural vegetative propagation.
  • Describe two most common methods of artificial propagation.
  • Describe the processes of spermatogenesis & oogenosis.
  • Describe the male & female reproductive system of rabbit.
  • What conditions are necessary for the germination of seeds?
  • Write a note on Aids.
  • Describe the Watson-Crick model of DNA.
  • State & explain Mendel’s law of segregation.
  • Write a note on artificial selection.
  • Discuss the biotic components of an ecosystem.
  • Write a note on nitrogen cycle & carbon cycle.
  • Write a note on symbiosis.
  • Write down the scope & importance of biotechnology.
  • Write down the application of fermentation.
  • Write down the achievements of genetic engineering.
  • What basic steps a genetic engineer adopts during the manipulations of genes.
  • Describe different sources of drugs.
  • Write a note on resistance against antibiotics.
  • Describe the mode of action of vaccines.
  • Drug addiction & associated problems.

 

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