Q. 12
i) Name the processes noted as No. 1 and 3.
ii) Define process 1.
Answer :
(i) Process 1 represents Photosynthesis and Process 2 represents respiration
Reason:
In process 1 as shown in the figure, green plant is taking carbon dioxide from the atmosphere, which is nothing but an event of photosynthesis. While in process 2 animal is releasing carbon dioxide into the atmosphere in the process of respiration.
(ii) Process 1 is photosynthesis. Photosynthesis is defined as the process by which green plants synthesise their food by taking carbon dioxide from air and water from ground in the presence of sunlight.
Rate this question :
Study the food chain below, correct it and convert it into a pyramid of energy.
Mulberry → Sparrow → Caterpillar → Kite
Tamil Nadu Board - ScienceObserve the following food web:
Find out how many food chains are present in the above food web.
Tamil Nadu Board - ScienceObserve the following Bio-geo chemical cycle.
i) Mention the nutrient in the given cycle.
ii) Write the activities from ‘A’ to ‘D’.
Tamil Nadu Board - ScienceStudy the illustration and answer the questions:
i) Which line (A or B) represents the flow of energy?
Why do you say so?
ii) Give an example of a decomposer.
Observe the following food web:
(i) Find out the wrong statement:
a) ‘A’ is a producer
b) ‘F’ is a herbivore
c) ‘H’ is an omnivore
d) ‘I’ is a climax carnivore
Tamil Nadu Board - ScienceShow an aquatic food chain using the following organisms.
(Small fish, Phytoplanktons, Kingfisher, Zooplanktons)
Tamil Nadu Board - ScienceDepict a food chain by placing the following organisms in the correct trophic levels:
(snake, grass, eagle, frog, grasshopper)
Tamil Nadu Board - Sciencei) Name the processes noted as No. 1 and 3.
ii) Define process 1.
Living organisms adapt themselves according to their habitat.
Match the following: -
