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The Hyderabad Public SchoolBegumpet, Hyderabad – 500 016, A.P.
Work Sheet For The Academic Year 2015-16First Term Syllabus
CLASS VII BIOLOGY=========================================================================
BASIC BIOLOGY & ORGANISATION IN THE LIVING THINGS - I
A. Name the following.
1) The membrane which allows materials to enter and leave the cell through the tiny openings .2) Thread like structures which play an important role in the inheritance of characters from one
generation to another, that is, from parents to the children.3) The Cell organelle that provide the cell with energy.4) Cell division responsible for the growth of organisms.5) The basic structural and functional unit of living things.
B. Find the correct answer from the options given under each question.
i. The cell organelle responsible for respiration.a. Golgi complex b. Ribosmes c. Mitochondriea
ii. The cell organelle responsible for transmission of characters from one generation to another.a. Endoplasmic reticulum b. Nucleus c. Centrosome
C. Match the following.
1. Nucleus a. food vacuoles2. Ribosome b. mitosis3. Cell division c. bacteria4. Unicellular animal d. control centre of the cell 5. Vacuoles containing food particles e. division of labour6. Multi cellular organisms f. protein synthesis
g. paramecium
D. Fill in the blanks.1. The cell organelle which is involved in the synthesis & secretion many materials is ______.2. Ribosomes help in ______.3. _______ are called as the suicide bags of a cell.4. _______ is the boss of the cell that controls every thing that happens in the cell.5. The different living organisms in a ecosystem are interconnected through the ______ starting
from the producers to the consumers.
E. Define the following.1) Protoplasm 2) Ecosystem 3) Population 4) Community5) Cell 6) Biotic components7) Organisation 8) Reproduction 9) Cytoplasm 10) Fertilisation
F. Differentiate Between the Following.1) Tissues and Organs 2) Unicelluar and Multicelluar organisms3) Organism and Population 4) Biotic and Abiotic organisms5) Ecosystem and Biosphere 6) Autotrophs and Heterotrophs
1. Write the functions of (i) Digestive system (ii) Respiratory system (iii) Circulatory system
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(iv) Excretory system (v) Nervous system (vi) Skeletal system
2. Name the main organs/ main parts of the following systems(i) Digestive system (ii) Respiratory system (iii) Circulatory system(iv) Excretory system (v) Nervous system (vi) Skeletal system
3. Identify the following figures.
4. Observe the given diagram & answer the following questions
1. Label the parts numbered 1-to-4.2. Define a. Excretion, b. Organ.
5. Observe the given diagram & answer the following questions.
a. Label the parts 1-to-4.b. Write the function of digestive system.
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6. Observe the given diagram & answer the following questions.
a. Label the parts 1-to-4.b. Write the function of Respiratory system.
7. Observe the given diagram & answer the following questions.
a. Label the parts 1-to-11.b. Write the function of the part labeled 1, 2, 4, & 10.
8. Observe the given diagram & answer the following questions.
a. Label the parts 1-to-6.b. Write the function of the part labeled 1 & 2.
9. Draw neat labeled diagrams of the following.1. Stomata 2. Muscle Cell 3. Nerve Cell 4. Plant Cell 5. Animal Cell
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ORGANISATION IN THE LIVING THINGS – II
A. 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.
B. 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. collenchymas b. sclerenchyma c. parenchyma
C. Match the following.
1. Dermal tissue a. conducts water & mineral salts2. Xylem b. cells do not divide3. Permanent tissue c. conducts food to different parts of the plant body4. Phloem d. flowers
D. Define the following.
1. Voluntary muscles2. Complex tissue
E. Differentiate between the following.
1. Columnar epithelium & Cuboidal epithelium2. Tendon & Ligaments
Question: 2 Observe the diagram given below & answer the following question.
A) i) Label the parts numbered 1 to 3. ii) Mention the location of these cells.
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Question: 3A) (i) Identify the following figures
Fig: a Fig: b
(ii) Mention the function of the above identified figure “b”
Fig: a Fig: b Fig: c
B) i. Identify the above figures. ii. Mention the two functions of epithelial tissue
C) i. Identify the following figures
Fig: a Fig: b Fig: c
ii. Write the location of the above identified figure ‘a’iii. Write the function of the above identified figure ‘b’
LIFE PROCESSES - NUTRITION IN ANIMALS & PLANTS
A. 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.
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B. 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 __________.
C. State whether the following statements are True or False. Rewrite the false statement correctly by changing first or last word.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.
D. Match the following.
1.Carbohydrates a. Partial parasite2.Prevents constipation b. Haemorrhage3.Mistle-toe c. Jaggery4.Vitamin K d. Scurvy5.Vitamin C e. Roughage
1. Nitrogen a. chlorosis of young leaves2. Calcium b. poor plant growth3. Iron c. chlorosis/ yellowing of leaves4. Magnesium d. abnormal leaf shape, stunted
plants5. Phosphorus e. chlorosis of older leaves
E. Define the following1. Photosynthesis 2. Balanced diet
F. Differentiate between the following.i. Macronutrients & Micronutrientsii. Xylem & Phloem.
A) Observe the given diagram and answer the following question.
i) What is the aim of the experiment?ii) What will you observe in the experimental leaf at the end of the starch test?iii) Name the solution which is used to test the presence of starch.iv) Define destarching.v) Write the word equation for the process of Photosynthesis.
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B) Observe the given diagram and answer the following questions.
i) What is the aim of the experiment? ii) Define variegated leaf. iii) What will you observe in the experimental leaf at the end of the
starch test? i) What can you conclude from the above experiment?
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