1. When there is a decrease in the concentration of oxygen in the blood ,the breathing rate
Ans. Increase
2. O2 released in the process of the photosynthesis comes from
Ans. Water
3. Plants absorb dissolved nitrates from soil and convert them into
Ans. free nitrogen
4. Other than spreading malaria, anopheles mosquitoes are also vectors of
Ans. Filariasis
5. One of the following is not a function of bones.
Ans. Secretion of hormones for calcuim regulation in blood and bones
6. Mumps is a disease caused by
Ans. virus
7. Out of proteins,lipids and carbohydrates present in a cell membrane , what is true ?
Ans. Carbohydrates are minimum
8. Ozone hole refers to
Ans. decrease in thickness of ozone layer in stratosphere
9. Plant development is influenced by
Ans. quality, quanity and duration of light
10. The blood which leaves the liver and moves to the heart has a higher concentration of
Ans. bile pigments
Ans. Increase
2. O2 released in the process of the photosynthesis comes from
Ans. Water
3. Plants absorb dissolved nitrates from soil and convert them into
Ans. free nitrogen
4. Other than spreading malaria, anopheles mosquitoes are also vectors of
Ans. Filariasis
5. One of the following is not a function of bones.
Ans. Secretion of hormones for calcuim regulation in blood and bones
6. Mumps is a disease caused by
Ans. virus
7. Out of proteins,lipids and carbohydrates present in a cell membrane , what is true ?
Ans. Carbohydrates are minimum
8. Ozone hole refers to
Ans. decrease in thickness of ozone layer in stratosphere
9. Plant development is influenced by
Ans. quality, quanity and duration of light
10. The blood which leaves the liver and moves to the heart has a higher concentration of
Ans. bile pigments
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