Note:- Attempt Six questions in all including question No.1 which is compulsory. Select Three questions from one Section and Two questions from the remaining Section.
(i) The basic unit of biological classification is cell
(ii) Leaves remain cool even in sunlight due to the cooling effect of transpiration.
(iii) Adiantum has a spore-producing body found at sort.
(iv) Gills are the respiratory organs in fish,
(iv) Malaria is caused by Plasmodium.
(i) The intelligent guess of a scientist in the form of statement is called ___
(ii) Which of the following is not an alga?
(iii) Which one of the following is not a cold-blooded animal?
(iv) Which one of the following secretions is the most acidic?
(v) A flower of Brassica contains –petals.
2.(a) Compare, by drawing a chart, the composition of inhaled and exhaled air-in human beings. (05)
(b) Write four common characteristics of Virus. (04)
(c) Define B1ogenes1s and Abiogenesis. Explain Needham’s experiment that supports Abiogenesis.(04)
3 (a) Draw a neat and labeled diagram of the structure of a human Tooth. (05)
(b) Define and give one example of each of the following:
(i) Herbivores (ii) Carnivores (iii) Omnivores (iv) Frugivores
(c) What is the Portal System? How many kinds of portal Systems are found in the Frog? Name them. (04)
4.(a) Draw a neat and labeled diagram of the Digestive System of the Frog.(05)
(b) Write four characteristics of Mammals. (04)
(c) Write the translation of any two Quranic verses about the origin of life. (04)
5.(a) Define the term Ventilation. Draw two neat and labeled diagrams showing the two stages of ventilation i.e. inspiration & expiration in human Respiratory system·
(b) What is meant by Flora and Fauna? Write a short note on .the fauna of Pakistan. (05+04)
(c) What is meant by the term Metamorphosis? Define complete Metamorphosis & Incomplete Metamorphosis.
6.(a) Describe Five kingdom classification of Margulis and Schwartz. (05)
(b) Write short notes on the following:- (04)
(i) Bronchitis (ii) Tuberculosis
(c) Write four-characteristics of the phylum Echinodermata.
7.(a) Write five differences between a Prokaryotic Cell and a Eukaryotic Cell. (05)
(b) Write two similarities between respiration and combustion and two differences between photosynthesis and respiration. (04)
(c) What are – Insectivorous plants? Draw a neat and labeled diagram of the Leaf of a pitcher plant. (04)
8.(a) Draw a neat and labeled diagram of the T.S. of the Root of brassica. (05)
(b) Describe an experiment to prove that carbon dioxide is essential for photosynthesis. (04)
(c) Write four differences between a Monocot plant and a Dicot plant. (04)
9.(a) Draw a neat and labeled diagram of a plant cell showing that photosynthesis consists of light-dependent and light-independent reactions. (05)
(b) Write two advantages and two disadvantages of Fungi.
(c) What is Taxonomy? What is the basis of classification? also, define species. (04)
10.(a) Draw a neat labeled diagram of a rod-shaped Bacterium.
(b) write one function of each of the following:-(04)
(i)Mitochondria (ii) Golgi Bodies (iii) Ribosomes (iv)Endoplasmic Reticulum