Question

15. ONE WORD QUESTIONS
23. Cascuta is a parasitic plant. Why?
24. How does haustoria help cuscuta ?
25. Which family does cuscuta belong to ?
26. What is meant by digestion ?
27. Which enzyme is present in the saliva ?
28. Which acid does gastric Juice contain ?
29. What is peristaltic movement ?
30. Which structure controls food passing from stomach into small intestine ?
31. Which juice does not have enzymes ?
32. What are villi and what is their use?
33. What does the deficiency of proteins and calories cause ?
34. Which disease is caused by the deficiency of proteins?
35. What are water soluble vitamins ?
36. What are fat soluble vitamins ?
37. What symptoms do you observe in the disease caused due to the deficiency of vitamin A?
38. Which vitamin helps in healing of wounds ?
39. Which vitamin deficiency causes pellagra ?
40. Which vitamin helps in blood clotting ?
41. Which vitamin is synthesised by bacteria present in intestine ?
1. NUTRITION
1. Who proposed the equation for Photosynthesis ?
2. Which agent is used to identify the starch present in the leaves ?
3. Who coined the name oxygen ?
4. What are the materials required for Photosynthesis ?
5. Why do we keep the plant in dark room for some days before conducting experiments of
Photosynthesis?
6. Which chemical substance obsorbs carbon dioxide ?
7. What kind of light rays are favourable for Photosynthesis ?
8. Which acquatic plants are used in Photosynthesis to prove o, is released ?
9. What are the sites of Photosynthesis ?
10. Which molecule is present in the chlorophyll ?
11. Who detected the point of maximum rate of Photosynthesis ?
12. Define Photolysis ?
13. Who discovered Photolysis ?
14. Who discovered chlorophyll?
15. What are the end products of light reaction ?
16. Where does light reaction take place ?
17. Expand ATP ?
18. Where does gaseous exchange take place?
19. Give some examples for parasitic nutrition ?
20. What is RuBP ? (in dark reaction)
21. Which part helps the unicellular organisms to obtain food ?
22. Which part helps amoeba to collect food ?​

Answer 1

23. Cascuta is a heterotroph.

Answer 2

Answer:

cascuta is a parasite because it absorb nutrients from  host plant

Explanation: