Sub: Biology Class: 10th Class

MAHASANKALPAM CHITTOOR DIST Chapter 6, 7 EVS - 16 to 21 SECTION-I

SET - II Time :45 Mn. Max.Marks: 25

I. Answer the following questions 4X1=4M 1.What are the phases in cell cycle DNA synthesis and the beginning of DNA replication ? 2. How do you support for the health of rag pickers ? 3.What is the way the taste is recognized in the brain? Give flow chart. 4. Only mango plants in your hand. Which type of propagation you will select and why? SECTION-II II. Give answer the following questions 5x2=10M 5. a) Which part of the flower possess sex cells? b) Write function of carpel parts. 1) Stigma 2) Style 3) Overy 6. Write procedural steps of Rhizopus slide preparation? 7. Write difference between Mastication and Rumination 8. Write Peristalsis function in large intestine 9. Why should we follow the slogan “Plant a new one before cutting down a tree” SECTION-III III. Answer the following questions with internal choice. 2x4=8M 10 .a) Write the passage of Spermatozoa b) What is seminal plasma and semen c) Write main part of the sperm cell and it’s function. OR d) Write differences between mitosis and meiosis division 11) a) Draw schematic diagram of villus b) Which type of questions do you ask your teacher to understand on second brain OR c) Draw life cycle of flowering plant. SECTION-IV IV. Multiple choice questions. 6X1/2=3M 12. In Acid and leaf experiment the function of petroleum jelly leaf can be compared to that in stomach walls [ ] 1. mucus lining 2. Villi projections. 3. moment in oesophagus 4. waves of peristaltic 13. This is not under control of autonomous nervous system [ ] 1. Peristalsis 2. Belching 3. Saliva secretion 4. Identification of taste with tongue 14. We must maintain separate wet and dry trash bags for it [ ] 1. Easy to recycle 2. Reduce productions 3. Producing trash 4. Measuring trash 15. We will stop female foeticide because [ ] 1. We need good lady leader ship 2. We need good dedicated administration officer 3. Today’s girl child may become a grate scientist 4. Reckless female foeticide the male and female sex ratio is declining 16. Spermicides are 1) pills kill the ovem 2) pills kill the syphilis 3) pills kill the sperm ducts 4) pills kill the sperms 17. Vegetative propagation by roots 1) Dahilia , onion 2) Potato, colacesia 3) Strawberry , onion 4) Dahilia, radish

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MAHASANKALPAM III CHITTOOR DIST SET - I Sub: Biology Chapter 6,7 Time :45 Mn. Class: 10th Class EVS -16 to 21 Max.Marks: 25 SECTION-I I.Answer the following questions. 4x1=4M 1. What is the difference between graffian follicles and ovum . 2. Draw a flow chart related to identifying of taste? 3. Ginger, hibiscus, citrus, jasmine plants are in your garden. Which type of vegetative propagation do you select. write? 4. How can you support for the health of rag pickers . SECTION-II II. Answer the following questions 5x2=10M 5. Write mitosis description on Anaphase and Telophase 6. Draw schematic diagram of a Villus ? 7. What is the importance of placenta and umbilical cord. 8. Write answers on seed germination experiment. a) What is seed germination? b) After observation of seed germination mention the parts you have seen in seeds 9. Why should we follow the slogan “ plant a new one before cutting down a tree”. SECTION-III II. Answer the following questions with internal choice 2x4=8M 10. a) Explain role of pyloric sphincters in the process of digestion ? OR b)Explain briefly about the formation of endosperm in plant fertilization 11. a) Give the passage of spermetozoa b) Write major parts and functions of sperm cell ? c) What is the difference of seman and seminal plasma? OR d) Peristalisis is involuntary justify your answer with wall of the oesophagus ? SECTION-IV IV. Multiple choice questions 6x1/2=3M 12 The second brain (gut) contains some important mass of Neural tissue that are [ ] 1. neuro transmitters 2. psycho transmitters 3. phyto transmitters 4. Neutro transmitters 13. To push the food into the oral cavity which cranial nerve control movement of the muscles [ ] th th th th 1. 10 2. 5 3. 12 4. 4 14. Virchow cell theory gave the credit for [ ] 1. Cells arise from pre existing cells 2. Chromosomes always remain constant 3. Chromosomes appear double in nature 4. In all division the all divides into halves with equal number of chromosomes 15. The government established anti retroviral theraphy for [ ] 1. Brain death patients 2. HIV patients 3. Cancer patients 4. Skin disease patients 16. The Glands helps in neutralizing the acidity and lubricating Uretra [ ] 1. Gonado trophia 2. Prostate gland 3. Testo sterone 4. cowpers gland 17. Pollutants enter into human being through milk. Select right way [ ] 1. Milk  heavy metals leafy vegetables  polluted wateranimals man 2. Polluted water  heavy metals leafy vegetables  animals  milk  man 3. Polluted water man leafy vegetables heavy metals  milk man 4. Man animals milk  leafy vegetables  water heavy metals