Test Details

Micro organisms: Friend and Foe

Jan 20, 8:00 PM

60 minutes

Jan 20, 9:00 PM

60.0 marks

MCQ

30 questions

RK SIR

मैं पिछले 5 सालों से गणित और साइंस छात्र छात्राओं को पढ़ा रहा हूं मेरे पढ़ाने से काफी छात्र अच्छे मार्क्स से पास होते जा रहे हैं अतः आप मेरे क्लास को ज्वाइन करें

Class Details

Math.Science

RK EDUCATION UP

Math.Science

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Question Text

Question 1 :
<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 3 :
Suggest a suitable word for the following statement. Nitrogen-fixing microorganism present in the root nodules of legumes.

Question 4 :
<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 5 :
<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 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/61b1d086f59b460d7261f30c.JPG' /> From the above image name the food item on which the organism lives.

Question 12 :
<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 13 :
<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 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 18 :
<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 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/61b1d08af59b460d7261f312.JPG' /> From the above figure complete the following cycle , By filling the blank (a)

Question 22 :
<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 24 :
<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 25 :
Suggest a suitable word for the following statement. Chemicals added to food to prevent growth of microorganisms.

Question 27 :
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 28 :
Unscramble the jumbled words underlined in the following statement: $\underline {curbossulite}$ is an air-borne disease caused by a bacterium.

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