Match the organisms in Column A with their action in Column B.A
B
(i) Bacteria (a) Fixing nitrogen (ii) Rhizobium (b) Setting of curd (iii) Lactobacillus (c) Baking of bread (iv) Yeast (d) Causing malaria (v) A protozoan (e) Causing cholera (vi) A virus (f) Causing AIDS (g) Producing antibodies
A | B | ||
|---|---|---|---|
| (i) | Bacteria | (a) | Fixing nitrogen |
| (ii) | Rhizobium | (b) | Setting of curd |
| (iii) | Lactobacillus | (c) | Baking of bread |
| (iv) | Yeast | (d) | Causing malaria |
| (v) | A protozoan | (e) | Causing cholera |
| (vi) | A virus | (f) | Causing AIDS |
| (g) | Producing antibodies | ||
Solution and Explanation
(i) Bacteria (e) Causing Cholera
(ii) Rhizobium (a) Fixing Nitrogen
(iii) Lactobacillus (b) Setting of curd
(iv) Yeast (c) Baking of bread
(v) A protozoan (d) Causing Malaria
(vi) A Virus (f) Causing AIDS
Top Questions on Microorganisms
- Who is the Father of Microbiology?
- AP PGECET - 2024
- Biotechnology
- Microorganisms
- The electron source for the Chemolithoheterotrophs type of microorganism is:
- AP PGECET - 2024
- Biotechnology
- Microorganisms
- What are decomposers? Explain how the decomposers (i) keep the environment clean, and also (ii) replenish the soil nutrients.
- CBSE Class X - 2024
- Science
- Microorganisms
- An organism which breaks down the food material outside the body and then absorbs it is:
- CBSE Class X - 2024
- Science
- Microorganisms
- What are decomposers? List two consequences of their absence in an ecosystem.
- CBSE Class X - 2024
- Science
- Microorganisms
Questions Asked in CBSE Class VIII exam
Fill in the blanks using the correct form of the verbs in brackets.
My little sister is very naughty. When she ____ (come) back from school yesterday, she had _____(tear) her dress. We _____(ask) her how it had _____(happen). She ______(say) she _____ _____ (have, quarrel) with a boy. She _____ _____ (have, beat) him in a race and he _____ ____ (have, try) to push her. She _____ ____ (have, tell) the teacher and so he _____ _____ (have, chase) her, and she _____ _____ (have, fall) down and _____ _____ (have, tear) her dress.
- CBSE Class VIII
- The Best Christmas Present in the world
Say whether the following are true or false.
1. Ignesious lost his wife, two children, his father-in-law, and his brother-in-law in the tsunami.
2. Sanjeev made it to safety after the tsunami.
3. Meghna was saved by a relief helicopter.
4. Almas’s father realised that a tsunami was going to hit the island.
5. Her mother and aunts were washed away with the tree that they were holding on to.
- CBSE Class VIII
- The Tsunami
- If wheat is sown in the kharif season, what would happen? Discuss.
- CBSE Class VIII
- Basic Practices of Crop Production
Underline the verbs and arrange them in two columns, Past and Earlier past.
(a) My friends set out to see the caves in the next town, but I stayed at home, because I had seen them already.
(b) When they arrived at the station, their train had left. They came back home, but by that time I had gone out to see a movie!
(c) So they sat outside and ate the lunch I had packed for them.
(d) By the time I returned, they had fallen asleep!
Past Earlier Past - CBSE Class VIII
- The Best Christmas Present in the world
- In the tsunami 150,000 people died. How many animals died?
- CBSE Class VIII
- The Tsunami