Question 1 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1d08af59b460d7261f311.JPG' />
Observe the above image and name any two plant diseases and the microbes that cause
them.
Question 3 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1d08af59b460d7261f311.JPG' />
Observe the above image and name any two plant diseases and the microbes that cause
them.
Question 5 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1d08bf59b460d7261f313.JPG' />
From the above figure complete the following cycle , By filling the blank (b)
Question 10 :
Unscramble the jumbled words underlined in the following statement: $\underline {Xanrhat}$ is a dangerous bacterial disease.
Question 13 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1d088f59b460d7261f30f.JPG' />
Observe the above image and name the causative agent of this disease.
Question 14 :
Unscramble the jumbled words underlined in the following statement: Cells of our body produce $\underline {santiidobe}$ to fight pathogens.
Question 15 :
Unscramble the jumbled words underlined in the following statement: $\underline {Xanrhat}$ is a dangerous bacterial disease.
Question 16 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1d08cf59b460d7261f314.JPG' />
From the above figure complete the following cycle , By filling the blank (c)
Question 19 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1d087f59b460d7261f30e.JPG' />
Observe the image and write the name of the disease
Question 20 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1d088f59b460d7261f30f.JPG' />
Observe the above image and name the causative agent of this disease.
Question 21 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1d08ef59b460d7261f317.JPG' />
From the above image find out which gas is released in A?
Question 24 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1d086f59b460d7261f30c.JPG' />
From the above image name the food item on which the organism lives.
Question 26 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1d089f59b460d7261f310.JPG' />
Observe the above image and find out how does the disease spread from one plant to another.
Question 27 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1d08af59b460d7261f312.JPG' />
From the above figure complete the following cycle , By filling the blank (a)
Question 28 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1d08ef59b460d7261f318.JPG' />
From the above image find out what changes will you observe in B when the released gas passes through it
Question 30 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1d086f59b460d7261f30c.JPG' />
From the above image name the food item on which the organism lives.
Question 31 :
Unscramble the jumbled words underlined in the following statement: $\underline {curbossulite}$ is an air-borne disease caused by a bacterium.
Question 36 :
Suggest a suitable word for the following statement. Agent which spreads pathogens from one place to another.
Question 40 :
Suggest a suitable word for the following statement. Nitrogen-fixing microorganism present in the root nodules of legumes.
Question 41 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1d087f59b460d7261f30d.JPG' />
From the above image find out whether the microorganism grow well in dry or in moist conditions.
Question 42 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1d08df59b460d7261f316.JPG' />
From the above image find out what happens to the sugar solution in A?
Question 44 :
Suggest a suitable word for the following statement. Chemicals added to food to prevent growth of microorganisms.
Question 45 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1d08ef59b460d7261f318.JPG' />
From the above image find out what changes will you observe in B when the released gas passes through it
Question 47 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1d08cf59b460d7261f315.JPG' />
From the above figure complete the following cycle , By filling the blank (d)
Question 48 :
Suggest a suitable word for each of the following statement.Chemicals which kill or stop the growth of pathogens
Question 50 :
Unscramble the jumbled words underlined in the following statement: $\underline {curbossulite}$ is an air-borne disease caused by a bacterium.