IX Biology
Note: Attempt six questions in all Question No.1 is compulsory. Besides, attempt Three questions from any one Section and Two questions from the other Section.
OBJECTIVE (COMPULSORY)
Note: Do not copy down the questions in your answer book in Q.No.1 Write only the answer against the proper number of the question and its part according to the question paper.
Question 1
1.(a) Fill in the blanks with the correct answers: (5)
(i) Tapeworm belongs to the phylum platyhelminthes.
(ii) The study of tissues is called Histology.
(iii) Fungi cannot make their own food because they lack chlorophyll.
(iv) The functional unit of kidney is Nephron.
(v) Retina is the sensory layer of eye.
(b) Select the correct answer for each from the brackets: (5)
(i) Vitamin helps in the clotting of blood. (A, B, D, K)
(ii) There are______chromosomes in each cell of human body. (12, 24, 32, 46)
(iii) The human heart consists of ___ chambers. (2, 3, 4, 5)
(iv) —- is the outermost whorl of a flower.(Calyx, Corolla, Androecium, Gynoecium).
(v) Each for limb of a frog has______fingers. (3, 4, 5, 6)
SECTION ‘A’ (ZOOLOGY) (Short Answer Questions)
Question 2
(a) Draw a neat and labeled diagram of the human Digestive System. (5)
(b) Write the translation of any two verses from the Holy Quran about the origin of life.(4)
(c) Write four characteristics of the class Aves. (4)
Question 3
(a) Draw a neat and labeled diagram of the internal structure of human Eye. (5)
(b) State the causes, symptoms and precautionary measures against Malaria. (4)
(c) Write four functions of Blood. (4)
Question 4
(a) Draw a neat and labeled diagram of the male Urinogenital System of frog. (5)
(b) What is meant by the term Evolution? State Lamark’s Theory of Evolution. (4)
(c) Define the following: (4)
(i) Food Chain (ii) Food Web
(iii) Food Cycle (iv) Ecological Pyramid
Question 5
(a) Draw a neat and labeled diagram of a Nephron. (5)
(b) Write four functions of the skeletal System. (4)
(c) What are Endocrine Glands? Write the names of any three endocrine glands and name one hormone produced by each. (4)
Question 6
(a) Define Reproduction. Draw a neat and labeled diagram of a typical Sperm and. a typical Ovum. (5)
(b) What are Arteries? Write the names of the three kinds of arteries found in frog.(4)
(c) Define Respiration and give its chemical equation. Also write the names of the two kinds of respiration. (4)
SECTION B (BOTANY) (Short Answer Questions)
Question 7
(a) Draw a neat and labelled diagram of the structure of a Plant Cell as it is seen under an electron microscope. (5)
(b) State the following laws: (4)
(i) Mendel’s law of Segregation
(ii) Mendel’s Law of Independent Assortment.
(c) Define the following terms: (4)
(i) Diffusion (ii) Ascent of Sap
(iii) Osmosis (iv) Transpiration.
Question 8
(a) Draw a neat and labeled diagram of the T.S. of the Stem of brassica. (5)
(b) Write four characteristics of Gymnosperm. (4)
(c) Write two useful and two harmful effects of Bacteria. (4)
Question 9
(a) Define Ecosystem and describe its abiotic and biotic components. (5)
(b) Write four differences between Photosynthesis and Respiration. (4)
(c) Draw a neat and labeled diagram of the Longitudinal Section of an Ovule. (4)
Question 10
(a) Describe an experiment with a diagram to show that oxygen gas is liberated during photosynthesis. (5)
(b) Define any four branches of Biology. (4)
(c) Define Fragmentation and Budding and write in which plants these processes take place. (4)
Question 11
(a) Draw a neat and labeled diagram of a single Volvos cell. (5)
(b) What is Pollination? Define Self Pollination and Cross Pollination. (4)
(c) Write four characteristics of Algae. (4)
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