Questions
Complete the ray diagram showing the image formed by the prism.
If you find a person on the way who feels severe pain and pressure in thoracic region and feels difficult to respire, what will be your role to save the life of the person? What should a health worker do immediately after reaching the patient at the health centre?
Genetic technology is boon for human beings, justify this statement in two points.
NH$_3$, H$_2$, and CO$_2$ are important gases used in industries and daily life as well.
- Which gas can form potassium carbonate when passed in KOH solution?
- Which of them can be used to prepare weak alkali?
Specific heat capacity of substances Q, R, and S are 140 J/Kg$^{\circ}$C, 800 J/Kg$^{\circ}$C and 4200 J/Kg$^{\circ}$C respectively, which of them can be used for, the following purposes?
- To fill in the bulb of thermometer
- To reduce body temperature of patient of fever
If a person is suffering with skin diseases due blood issue, which medicinal plant will you suggest to use to cure it? What precautions should be taken while using medicinal herb?
Sketch a neat diagram of human heart of that condition when it pumps blood to lungs for purification and label pulmonary and bicuspid valve.
Rearrange the following group of organisms in the order of evolution.
Group A: Sea horse, Jellyfish, Snake, Protochordate
Group B: Banyan, Moss, Volvox, Cycas
Write any two differences between decomposition reaction and displacement reaction.
Write any two points of the similarity between Big bang theory and Hubble's study.