Question 1 :
The disease caused by a protozoan and spread by an insect is
Question 3 :
Suggest a suitable word for the following statement. Agent which spreads pathogens from one place to another.
Question 7 : <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 8 : <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 10 :
Paheli dug two pits, A and B, in her garden. In pit A, she put a polythene bag packed with some agricultural waste. In pit B, she dumped the same kind of waste but without packing it in a polythene bag. She, then covered both the pits with soil. What did she observe after a month?
Question 14 :
The two micro-organisms which live in symbiotic association in lichens are
Question 15 : <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 16 : <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 18 : <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 19 :
Paheli dug two pits, A and B, in her garden. In pit A, she put a polythene bag packed with some agricultural waste. In pit B, she dumped the same kind of waste but without packing it in a polythene bag. She, then covered both the pits with soil. What did she observe after a month?
