EASY
Earn 100

Give some examples of autotrophic bacteria.

Important Questions on Photosynthesis

MEDIUM
The primary producers of the deep-sea hydrothermal vent ecosystem are
MEDIUM

Fill in the blank with the correct option given in the bracket.

Site of photosynthesis is the _____of the leaf. (xylem, epidermis mesophyll, phloem)

EASY
Engelmann's experiment with Spirogyra demonstrated that
MEDIUM
Assertion: One molecule of CO2 is fixed to give 686 Kcal in photosynthesis.
Reason: To form a hexose, six molecules of CO2 are fixed.
EASY
The plants growing in dark show yellowing in leaves and elongated internodes, this condition is called as
EASY
The first important biological investigation which led to the conclusion that plant makes its substance from water and not from soil was carried out by
MEDIUM
The first experiment on photosynthesis in flashing light were carried out by
MEDIUM

Fill in the blank with the correct option given in the bracket.

_____ is an anabolic process. (Respiration, Digestion, Photosynthesis)

EASY
The scientist, who proved that bacteria use H2S gas and CO2 to synthesize carbohydrate, is
EASY
The percentage of light energy utilized for photosynthesis by higher plants is
EASY
Which of the following equation can be more appropriate for photosynthesis?
MEDIUM
Only the green part of the plants could release oxygen in the presence of sunlight during photosynthesis was explained by
EASY
Path of carbon in photosynthesis was found by using
MEDIUM

Fill in the blank with the correct option given in the bracket.

Photosynthesis is an _____ process that produces glucose. (anabolic, catabolic, phosphorylation)

EASY
Assertion : Sciophytes require higher light intensity than heliophytes.

Reason : Sciophytes grow below the canopy of trees.
MEDIUM
Variegated leaf experiment helps to demonstrate the essentiality of _____ for photosynthesis. (xanthophyll/anthocyanin/chlorophyll)
MEDIUM

Fill in the blank with the correct option given in the bracket.

_____, chlorophyll, CO2 and water are necessary requirements for photosynthesis. (Glucose, malic acid, Sunlight)

EASY
The experimental material that has largely been responsible for making rapid advances in research on photosynthesis is.