Trending ▼   ResFinder  

ICSE Class X Question Bank 2024 : Biology

2 pages, 28 questions, 0 questions with responses, 0 total responses,    0    0
Unkown
 Ngp  		+Fave Message
ProfileTimelineUploads
 Home > ppkk >

Formatting page ...

Class Test - 2 Grade:10 Date: 06/08/2021 Subject: Biology Max. Marks: 20 Topic: Chapter 6-Photosynthesis Chapter 8-The Circulatory System Question 1 Select the correct answer out of the four available choices given under each question [3] 1) Angina pectoris is due to a) Defective nutrition b) Chest pain due to inadequate supply of oxygen to the heart muscle c) Defective function of mitral valve d) Infection by a virus 2) The chief function of lymph nodes in mammals is to a) Produce WBCs b) Produce harmones c) Destroy old RBCs d) Destroy Pathogens 3) Which one of the following would not be a limiting factor for photosynthesis a) Oxygen b) Light c) Carbon dioxide d) Chlorophyll Question 2 Name the following 1) 2) 3) 4) [4] Principal site for photosynthesis The protective layer that surrounds the heart The valves present between left Atrium and left ventricle. The blood vessels which have valves in them 1 Question 3 Mention if the following statements are true or false. If false rewrite the wrong statement in correct form : 1) 2) 3) 4) [4] Carbon dioxide is the life supporting gas produced due to photosynthesis The wall of auricles are thicker than those of ventricle Blood group AB is a universal donor. In the experiments of photosynthesis potassium hydroxide crystals are used to absorb carbon dioxide gas Question 4 [3] State the location 1) Spleen 2) Bundle of HIS 3) Stomata Question 5 [6] The diagram alongside shows two test-tubes A and B. Test-tube A contains a green water plant. Test-tube B contains both a green water plant and a snail. Both Test-tubes are kept in sunlight. Study the diagram and answer the questions that follow : 1) 2) 3) 4) 5) 6) Name the physiological process that releases the bubbles of oxygen. Explain the physiological process as mentioned in (1) What is the purpose of keeping a snail in test-tube B ? Why does test-tube B have more bubbles of oxygen ? Give an example of a water plant that can be used in the above experiment. Write the overall chemical equation for the above process ***** 2

Formatting page ...

 

  Print intermediate debugging step

Show debugging info


 

 

© 2010 - 2025 ResPaper. Terms of ServiceContact Us Advertise with us

 

ppkk chat