The free nerve endings
can detect pain, temperature, itch and hair movement. Merkel's disks can detect pressure, position and static touch features. Pacinian corpuscles are sensitive to vibration while Meissner's corpuscles are sensitive to light and touch.
Answer:
A. Reduction in soil mass proved that plants get their food from the soil.
Explanation:
Plant take their food from the soil because in soil roots are present which absorb nutrients from the surrounding environment. The nutrients present in the soil comes from the decomposition of dead bodies of plants and animals and sometimes it is provided by the farmers in the form of fertilizers. The plant food contains nitrogen, phosphorus and potassium which is required in large amount for the better growth and development of the plant.
Answer: G
Explanation: A galaxy is indeed a collection of stars, gas, and dust held together by gravity.
The answer is D. Phosphorus and nitrogen
The three main elements are C, H and O. These two are elements other macro-molecules may not have
Answer:
Tuberculosis (TB) may be defined as the disease caused by the bacteria known as Mycobacterium tuberculosis. This bacteria mainly affects the lungs and can also damage the other body parts.
According to the question, it might be possible that the child is suffering from TB. It might occur due to the errors that are done in the decolorizing phase of staining with the acid fast and causes the acid fast bacteria to appear as non-acid fast. The child is suffering from TB can be inferred by the presence of the acid-fast bacteria.