Question

30) What is used for removing chlorophyll from a green leaf?

a) Alcohol

b) Sulphuric acid

c) Sunlight

d) Iodine

31) Autotrophic organisms posses ________ pigment.

a) haemoglobin

b) Melanin

c) Chlorophyll

d) Phenolphthalein

32) Which inorganic substances are used by autotrophs to synthesize food in presence of sunlight

and chlorophyll?

a) CO2 & O2

b) CO2 & NO2

c) CO2 & HO2

d) CO2 & H2

33) Apart from green plants photosynthesis is also seen in

a) Euglena

b) Volvox

c) Mushroom

d) both (a) and (b)

34) In which of the following parts of the plants is photosynthesis seen to occur mostly?

a) Leaves

b) Roots

c) Stem

d) Flowers

35) What type of energy conversion takes place during photosynthesis?

a) chemical energy to light energy

b) light energy to chemical energy

c) light energy to heat energy

d) light energy to atomic energy

36) During photosynthesis carbohydrates are formed by _______ of CO2

a) oxidation

b) reduction

c) carboxylation

d) hydrolysis

37) Plants obtain nutrients from

a) water

b) air

c) soil

d) sand

38) Photosynthesis occurs in

a) Chloroplast

b) Golgi body

c) Endoplasmic reticulum

d) Nucleus​

Answer 1

Answer:

30 question

option no.a is right