2. Question 1 To which animal phyla do the organisms with round bodies marked externally into rings or segments belong?  Porifera  Annelida  Coelenterata  None of these Annelida

3. Chloroplast Question 2 The site of photosynthesis is  Vacuoles  Mitochondria  Chloroplast  None of these

4. Xylen Question 3 Which tissue is responsible for the passage of water in plants?  Sclerenchyma  Xylen  Phloem  Collenchynatous Cells

5. Xerophytes Question 4 The vegetation of the Thar desert consists of  Xerophytes  Hydrophytes  Mesophytes  Thallophytes

6. Leaves Question 5 In which section of the plant does photosynthesis take place?  Roots  Stem  Leaves  Flowers

7. Red light Question 6 Photosynthesis takes place faster in  Yellow light  White light  Red light  Darkness

8. Counting the number of rings in the stem Question 7 Age of a tree can be determined by  Counting the number of rings in the stem  Counting the number of leaves  Counting the number of branches  Measuring the size of the tree

9. Question 8 Which of the following gases are given during photosynthesis?  Carbon Dioxide  Nitrogen  Oxygen  Hydrogen Oxygen

10. Question 9 The green colour leaves is due to to the presence of  Metallic Ions  Haemoglobin  Iron  Chlorophyll Chlorophyll

11. Take in carbon dioxide & give out oxygen Question 10 During the day time plant  Take in oxygen & give out carbon dioxide  Take in carbon dioxide & give out oxygen  Take in nitrogen & give out oxygen  Take in carbon dioxide & give out nitrogen

12. Question 11 Plants receive their nutrients mainly from  Chlorophyll  Atmosphere  Light  Soil Soil

13. Oxygen Question 12 If all plants vanish from the earth’s surface, which of the following gases will also disappear ?  Oxygen  Carbon Dioxide  Hydrogen  Nitrogen

14. Halophytes Question 13 Plants that grow in saline water are called  Halophytes  Hydrophytes  Mesophytes  Thallophytes

15. Stem Question 14 The onion is modified form of  Root  Leaves  Stem  Fruit

16. Stem Question 15 The cactus is modified form of  Leaves  Stem  Root  Flower

17. THANK YOU