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Answers
(1)Simple gaseous diffusion is sufficient to meet the requirements of unicellular organism
(2) As Nitrates
(3) All essential components for body are reabsorbed I. e Glucose, AA, Nutrients, certain ions such as Na+, HCO3- etc
(4) During photosynthesis Oxygen is waste product for plant removed through stomata, falling of dry leaves(senescence).
(5) It's a process of removal of water in form of vapour through stomata due to certain pressures
, it's primary function is to maintain temperature of plant even during scorching heat.
(6) Only 2ATP are produced at a time in anaerobic respiration whereas in aerobic respiration 36ATP are produced making it more efficient.
(7) Accumulation of lactic acid leads to feeling of tiredness
(8) Also k/a middle man of body it's a filtered part of blood containing lymphocyte flow in lymph vessels and it's function are
- It helps in killing of bacteria by circulating them to lymph nodes
- They also help in absorption of fat(Chilomicrones)
(9) Some get diffused in blood while large amount is transported in form of HCO3- ion
(10) Stomach is lined by a thick mucus layer seacreted by goblet cells protects stomach lining
(11) 80/120
Pressure with which blood flows in blood vessels
Pressure is more in artery than vien
(12) Xylem and phloem are the complex tissue which help in transportation of water minreals, food.
Transportation of food through phloem is multidirectional.
(13) Dark reaction ,light reaction and sry for 3rd one.
(15)Small Intestine is the place where digestion as well as absorption of food takes place it has certain hydrolytic enzymes in its intestinal juice(succus intricus) I. e Dipeptidase, maltase, lactase, sucrase, nucleotidase, nucleosidase etc
It has certain grooves that is Villi and pilica circularis which inreases surface area for digestion
(14) NCERT SE
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Answer:
simple
Explanation:
simple glucose diffusion is sufficient for unicellular organisms