1. Which of the following is a group of bacteria found in human intestines, whose presence in water indicates contamination by disease-causing micro-organisms?
2. Due to large quantities of nutrients in water an excessive growth of planktonic ......... occurs:
3. Which of the following is not an example of Thallophyta?
4. Identify the group in which the plants have an indistinct body organization, commonly referred to as algae and are primarily aquatic.
5. Agar is obtained from which algae?
7. Which of the following statements is NOT correct about Pasteurization?
8. The reason why green algae are green:
9. Which is the tallest self-supporting moss species found in New Zealand that usually grows to a height of 60 cm?
10. Which of the following is also called 'green algae'?
11. Which of the following can reduce detritus into simple inorganic substances?
12. If milk is kept outside the fridge during summer, it becomes sour due to:-
13. In which of the following type of organism autotrophic nutrition is found?
14. Mycorrhiza is a symbiotic association of a ........ with a root system:
15. Which of the following is a type of large, brown marine alga that grows in shallow, nutrient-rich saltwater near coastal areas around the world?
16. What type of haploid unicellular eukaryotic cells have a diameter of ∼ 10µm, and about half their volume is enclosed by cup-shaped chloroplast?
17. Who explained the structure and reproductive mechanism of algae in 1935?
18. Which is a multicellular filamentous green algae that has thin unbranched chains of cylindrical cells and is found floating in groups near the surface of streams and ponds?
19. Algae belongs to which of the following levels of the ecosystem?
20. A spore-producing plant is………
21. Which of the following is NOT unicellular?
22. Which of the following is not related to Kingdom Fungi?
23. How does vegetative reproduction occur in red algae?
24. Which symbiotic bacteria are responsible for nitrogen determination?
25. Fungi can grow on which of the following items.
I. Bread
II. Pickles
III. Leather
IV. Clothes
Choose the correct option.
26. A .......... is the fleshy, spore-bearing fruiting body of a fungus.
27. Food is stored in which form in brown algae?
28. Which of the following does NOT belong to ‘Kingdom Fungi’?
29. Lichen is an association between which of the two?
30. Which process is used to destroy disease-causing micro-organisms and increase the validity of milk?
31. In relation to the classification of algae, members of phaeophyceae are commonly known as__.
32. Identify an algae that undergoes anisogamous fusion of gametes.
33. A mycorrhiza is a mutualistic relationship between a _____ and a plant.
34. Majority of the fungal bionts of lichens belong to:
35. Which of the following popular kitchen ingredients is called the 'sugar eating fungus'?
36. Mosses, Lichens and small shrubs are found in which type of vegetation?
37. Identify the algae that is not a marine algae.
38. Members of _____ group are commonly called red algae.
39. What is the common name of the members of the Phaeophyceae class?
40. The sexual reproductive organs of Aspergillus are:
41. Water silk, Mermaid's tresses, and Blanket weed are other names for which of the following?
42. What are the water-holding compounds found in large quantities in marine brown and red algae known as?
44. Which of the following plant Kingdom plants are known as algae?
45. Algae are useful to mankind because they:
46. Which of the following structural layers surrounds algal, fungal, and plant cells, providing tensile strength and protection against mechanical and osmotic stress?
47. Saccharomyces Cerevisiae is commonly used to make ______.
48. Which of the following is a type of bryophyte that lives in many environments and is characterized by its small, flattened leaves, root-like rhizoids, and peristome?
49. For the aquatic organisms, the source of food is:
