Question

100 points!!!!! help me with these 8 questions fast as possible...<3

Answer 1

hello friend ,
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answers are :
(3 mark answers)
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12. double circulation is the process of circulatory system that is carried out in the human beings. by circulatory organ heart. human beings have four chambered heart. double circulation process is necessary because it helps to separate the oxygenated blood from deoxygenated blood. pure and clean blood do not get mixed. in the double circulation process.
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13. Stomata are the tiny pores on the leaves of plants.which can be seen with the help of microscope. functions of stomata are :
1.it helps in gaseous exchange of the leaves.
2.helps in photosynthesis.
u can refer to NCERT book of science for the open and closed stomatal pores.
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14.Aerobic respiration :
i) this takes place in presence of oxygen.
ii) end products are water , energy.
iii) for example , all human beings are alive by aerobic respiration.

Anaerobic respiration :
i) this takes place in absence of oxygen.
ii) end products are ethanol , energy.
iii) for example , yeast .
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Answer 2

hello friend ,

______________________

answers are :

(3 mark answers)

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12. double circulation is the process of circulatory system that is carried out in the human beings. by circulatory organ heart. human beings have four chambered heart. double circulation process is necessary because it helps to separate the oxygenated blood from deoxygenated blood. pure and clean blood do not get mixed. in the double circulation process.

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13. Stomata are the tiny pores on the leaves of plants.which can be seen with the help of microscope. functions of stomata are :

1.it helps in gaseous exchange of the leaves.

2.helps in photosynthesis.

u can refer to NCERT book of science for the open and closed stomatal pores.

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14.Aerobic respiration :

i) this takes place in presence of oxygen.

ii) end products are water , energy.

iii) for example , all human beings are alive by aerobic respiration.

Anaerobic respiration :

i) this takes place in absence of oxygen.

ii) end products are ethanol , energy.

iii) for example , yeast .

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