IX Biology
Note: Attempt Six questions in all including question No.1 which is compulsory. Attempt Three questions from any Section and two question from the remaining Section.
OBJECTIVE (COMPULSORY)
Question 1
(a) Fill in the blanks with the correct answers: (05)
(i) The study of microorganisms is called Microbiology
(ii) The cell wall of a plant cell is made up of Cellulose
(iii) Retina is the sensory layer of the eye.
(iv) The building blocks of proteins are called amino acid
(v) The fusion of sperm and ovum produces Zygote
(b) Select the correct answer for each from the options given within brackets: (05)
(i) The basic unit of classification species (class, species, family)
(ii) The leaves do not get heated even in sunlight due to the cooling effect of (transpiration (transpiration, photosynthesis, respiration).
(iii) Plasmodium, is the causative organism of malaria.(Salmonella, Entamoeba, Plasmodium)
(iv) The functional unit of kidney is nephron (Nephron, neurom, ureter)
(v) Which of the following is heritable disease: (Typhoid, malaria, haemophilia)
SECTION ‘A’ ZOOLOGY) (SHORT ?ANSWER QUESTIONS)
Question 2
(a) Draw a near and labeled diagram of an animal cell as it is seen under an electron microscope. (05)
(b) Write four characteristics of the class Mammalian (04)
(c) Describe any four hereditary characteristics of humans (04)
Question 3
(a) Draw a neat and labeled diagram of L.S. of the human heart.
(b) Write four functions of proteins. (04)
(c) Define the following: (04)
i) Aerobic Respiration
(ii) Anaerobic Respiration
(iii) Pulse Rate.
(iv) Hypertension.
Question 4
(a) Draw a neat and labeled diagram of the Digestive System of frog. (05)
(b) Write four functions of the Skeletal System of vertebrates(04)
(c) Write the translation of two quranic verses about the origin of life. (04)
Question 5
(a) Draw a neat and labeled diagram of the human Excretory System. (05)
(b) Write four disorders of pituitary hormones. (04)
(c) State the cause, symptoms and precautionary measures against Tuberculosis (T.B)(04)
Question 6
(a) Name the sense organs and write one function of each (05)
(b). What is meant by Pollution? Describe four causes of Air Pollution. (04)
(c) Describe the process of Binary Fission in amoeba with labeled diagrams. (04)
SECTION `B’ BOTANY (SHORT ANSWER QUESTIONS)
Question 7
(a) Draw a neat and labeled diagram of the Transverse Section (T.S) of the Root of brassica. (05)
(b) Write four characteristics of Algae. (04)
(c) Write two characteristics each of parasitic and saprophytic plants. (04)
Question 8
(a) Show diagrammatically the relationship between photosynthesis and Respiration in a plant cell. (05)
(b) Define the following: (04)
(i) Gene
(ii) Allele (iii) Genotype (iv) Phenotype.
(c) Write four advantages of microorganisms. (04)
Question 9
(a) Draw a labeled diagram of the longitudinal section of Castor seed and describe its structure. (05)
(b) Define the following: (04) (i) Tactic Movement (ii) Nastic Movement (iii) Phototropism (iv) Geotropism.
(c) Write two functions of each of the following: (04) (i) Stem (ii) Root (iii) Leaf (iv) Flower
Question 10
(a) Draw a neat and labeled diagram showing the movement of water in the cells of a Root(05)
(b) Define Photosynthesis, Write its chemical equation, Also write the names and one importance of each of any four necessary factors. (04)
(c) Name any four Muslim biologists and mention one contribution of each of them. (04)
Question 11
(a) What is Ecosystem? Describe its biotic components. (05)
(b) Describe four methods of preservation of food by moist heat. (04)
(c) What is meant by Dispersal of seeds and fruits? Write the characteristics of the seeds and fruits that are dispersed by wind. (04)
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