THE HYDERABAD PUBLIC SCHOOL Begumpet, Hyderabad 500 016, A.P. Work Sheet for the Academic Year 2014-15 CLASS VII SECOND TERM SYLLABUS BIOLOGY =============================================================== Life Processes Nutrition in Animals and Plants, Ingestion, Digestion, Absorption and Assimilation, Respiration and Excretion in animals & plants Organization in the living things II I) Name the following a. The life process which provides energy. b. The essential materials which the body needs for its well being. c. The process of taking in food. d. The process by which digested food is taken up by the cells of the body. e. The gap created due to the lack of Canine teeth in Herbivores. f. The process in which oxygen is taken in through the body surface by unicellular organisms. g. Name the pores present on the body of the insects which help them to breathe. II) Define the following 1. Food fad 2. Photosynthesis 3. Destarching 4. Egestion III) Differentiate between the following A. Macronutrients & Micronutrients B. Malnutrition & Under nutrition C. Xylem & Phloem D. Digestion & Assimilation E. Canines & Premolars (functional diff) F. Aerobic & Anaerobic respiration G. External respiration (breathing) & Internal respiration (cellular) IV) Fill in the blanks 1. are the chemicals which are added to the food for reasons other than nutrition. 2. Leaves contain a green coloured pigment called. 3. Chlorophyll is present in cell organelle called. 4. Stomata consist of two bean shaped cells called & an opening called. 5. In a tooth, the part between the root and the crown is called. 6. The digestive juice secreted by stomach is called. 7. The upper part of the small intestine is called as. 8. Urea is converted into urine & excreted out of the body by. 9. The full form of ATP is. 10. The site of cellular respiration is. 11. Each and every step in respiration is controlled by. 12. Many microscopic organisms like bacteria & some fungi always undergo respiration.
13. The skin of the frog is always moist to absorb. 14. Fish take dissolved oxygen from water into their body through their. V) Observe the given diagrams & answer the following questions. 1. a. What is the aim of the experiment? b. What is your observation from the above experiment? c. Define destarching? 2. i. What is the aim of the experiment? ii. Define variegated leaf. iii. What is your observation from the above experiment? 3. a. Label the parts numbered 1 to 4. b. Mention the function of the part numbered 2. c. Give the number of teeth in an human adult. 4. Observe the figures given below and answer the following questions. i) ii) iii) iv) iv) a) Identify the types of teeth given. b) Write the function of the teeth given in fig. A c) What is dental plaque. d) Name the hardest substance in a tooth.
5. i. Label the parts numbered 1to 4 ii. Write the function of the part labeled 1 & 4. iii. Name the largest gland in the body. 6. i. label the parts numbered 1to 4. ii. The sac like structures present in the lungs where exchange of gases takes place 7. i. What is the aim of the experiment. ii. What does the following represent in the above diagram. a) Bell Jar b) Rubber Sheet c) Balloons 7. Observe the given diagram and answer the following questions. i) Label the parts numbered 1 & 2. ii) iii) What is the aim of the experiment? What is your observation from the experiment? 8. i) Label the parts numbered 1 to 4. ii) Name the structures present in part labeled 1 which act as filters. iii) Mention the function of the part labeled 3 & 4 in the above given diagram. iv) What waste products are removed by the following parts. a. Lungs b. Large intestine
I ORGANISATION IN THE LIVING THINGS - II Name the following. 1. The tissue which is present in the root, stem, leaf, flowers & fruits. 2. The muscles which help in working, writing, running or doing other jobs. 3. The cells found in brain & the spinal cord. 4. The tissue that contributes towards growth in length & width of the plant. 5. The tissue which consists of only one type of cells. II Find the correct answer from the options given under each question. 1. Xylem consists of the following cells. a. companion cells b. sieve tubes c. vessels 2. The tissue that stores the food in the plant & also helps in photosynthesis. a. collenchyma b. sclerenchyma c. parenchyma III Match the following. 1. Dermal tissue a. conducts water & mineral salts 2. Xylem b. cells do not divide 3. Permanent tissue c. conducts food to different parts of the plant body 4. Phloem d. flowers IV V Define the following. 1. Voluntary muscles 2. Complex tissue Differentiate between the following. 1. Columnar epithelium & Cuboidal epithelium 2. Tendon & Ligaments 2. Observe the diagram given & answer the following question. i) Label the parts numbered 1 to 3. ii) Mention the location of these cells. VI A) (i) Identify the following figures Fig: a Fig: b (ii) Mention the function of the above identified figure b
B) Fig: a Fig: b Fig: c i) Identify the following figures ii) Write the location of the above identified figure a, b & c iii) Write the function of the above identified figure a, b & c iv) Mention three characteristics features of meristematic tissue. `LIFE PROCESSES - NUTRITION IN ANIMALS & PLANTS I Name the following. 1. The basic activities which all the living organisms perform. 2. The mineral essential for forming haemoglobin. 3. The kidney shaped cells present in the stomata which are surrounded by subsidiary cells. 4. Fibre found in vegetables, fruits, beans & cereals which has no nutritive valve. II Fill in the blanks. 1. component of a lichen is autotrophic. 2. In a pitcher plant, is modified to form a pitcher-like structure, & the leaf tip is modified into a lid. 3. Deficiency of iodine leads to. III State whether the following statements are True or False. Rewrite the false statement correctly : 1. Dodder is a partial parasite. 2. Soya bean is a rich source of carbohydrates. 3. Deficiency of vitamin D causes scurvy. 4. Fats provide more than double the energy provided by carbohydrates or proteins. IV Match the following. 1.Carbohydrates 2.Prevents constipation 3.Mistle-toe 4.Vitamin K 5.Vitamin C a. Partial parasite b. Haemorrhage c. Jaggery d. Scurvy e. Roughage V VI VII Define the following 1. Photosynthesis 2. Balanced diet Differentiate between the following. i) Symbiotic & Parasitic Nutrition ii) Autotrophic & Heterotrophic nutrition Complete the following. a. Starch Maltose b. Proteins Peptones + Proteoses