(1). Of the total water absorbed by plants percentage used in photosynthesis is _____________

(2). When the intensity of light is low, rate of photosynthesis _____________

(3). Carbon dioxide enters the leaves through _____________

(4). Respiration in the absence of oxygen is called _____________

(5). Carotenoid and xanthophyll give the plant _____________ colour.

(6). A liquid produced in anaerobic respiration is _____________

(7). The stomata open when the guard cells are _____________

(8). The best range of temperature for photosynthesis is _____________

(9). The main products of photosynthesis are _____________ and _____________

(10). Anaerobic respiration happens in the _____________ of oxygen.

(1). Chemical used in starch test is safranine.

(2). Autotrophs are also called consumers.

(3). A food chain always begins with an autotroph.

(4). Stomata in most plants remain open during the night.

(5). A croton plant can’t prepare its food due to its red coloured pigment.

(6). Stomata can be found on stems of young plants.

(7). A product of photosynthesis is carbon dioxide.

(8). In aerobic respiration ethanol is produced.

(9). Green light is most helpful in photosynthesis.

(10). When a plant wilts its stomata closes.

(1). What do you understand by autotrophic nutrition?

(3). How does water reach the cells of the leaves for photosynthesis?

(6). Why are the leaves of most plants flat?

(7). Where are the lenticels located?

(9). What is the word equation for aerobic respiration?

(2). What is the word equation of photosynthesis?

(4). How do the stomata open?

(5). How photosynthesis reduces the carbon content of air?

(8). What roles does chlorophyll play in photosynthesis?

(10). In which cells does respiration occur?

(6). What are the differences between photosynthesis and respiration?

(1). What are the products of photosynthesis and how are they useful to us?

(2). How can you prove that light is needed for photosynthesis?

(3). What is the importance of photosynthesis for our world?

(4). How are processes of photosynthesis and respiration connected in plants?

(5). Explain the steps involved in the starch test experiment.

(7). What are the differences between aerobic and anaerobic respiration?

(8). When we burn a piece of wood we get heat energy. Did this energy actually come from sunlight?

Life process

Sunlight, water and Carbon dioxide

Chloroplast

Moulds

Light energy is converted into chemical energy.

Chlorophyll is masked by the coloured pigments of leaves.

All of the above

iodine which turns the leaf blue black

Anaerobic respiration