Life Processes

Question 1

what are life processes

Answer 1

The processes taking place inside the body of an organism which are necessary for its survival are called life processes

Question 2

what is nutrition

Answer 2

Transfer of a source of energy form outside the body to inside is called nutrition

Question 3

what is respiration

Answer 3

The process of acquiring Oxygen from outside the body and use it to break down food for cellular needs.

Question 4

plants consume

Answer 4

simple inorganic sources

Question 5

we consumee

Answer 5

complex organic sources.

Question 6

What are bio-catalysts

Answer 6

Biocatalyst are enzymes which helps in digestion of food.

Question 7

The carbohydrates by plants are stored as

Answer 7

starch

Question 8

energy is stored in our body

Answer 8

glycogen

Question 9

Photosynthesis

Answer 9

biochemical process in which green plants use carbon dioxide and water in the presence of sunlight and chlorophyll to synthesis their food.

Question 10

equation of photosynthesis

Answer 10

6CO2 + 12H2O chlorophyll sunlight –> C6H12O6 + 6O2 + 6H2O

Question 11

first step of photosynthesis

Answer 11

absorption of sunlight by chlorophyll

Question 12

second step of photosynthesis

Answer 12

conversion of light energy into chemical energy and splitting of water molecules into hydrogen and oxygen

Question 13

third step of photosynthesis

Answer 13

reduction of carbon dioxide into carbohydrate

Question 14

who are saprophytic

Answer 14

they do not make their own food and depend on dead and decaying matter. digest their outside and and then absorb it. like bread moulds , yeast, mushrooms

Question 15

what are parasitic

Answer 15

it obtain food from host without killing them. cuscuta, ticks, lice, leeches, tape worms

Question 16

enzyme in mouth

Answer 16

salivary amylase break starch into simple sugar