Match the following? Column-I Column-II Column-III (a) Joseph Priestley (i) Glucose production (p) Photosynthesis (b) Julius Von Sachs (ii) Role of sunlight (q) Plants restore air (c) Jan Ingenhousz (iii) Role of air (r) Green parts of plants (d) T. W. Engelmann (iv) Action of spectrum (s) Release of O 2

(a-iii-q), (b-i-r), (c-ii-s), (d-iv-p)

(a-i-s), (b-iv-q), (c-iii-r), (d-ii-p)

(a-iv-r), (b-iii-s), (c-ii-p), (d-i-q)

(a-ii-p), (b-i-q), (c-iv-r), (d-iii-s)

EASY

Earn 100

Priestley concluded on the basis of the above experiment that

80.43% studentsanswered this correctly

Important Questions on Consequences

MEDIUM

Physics>Change>Consequences>Propagation of Sound

Match the following?

Column-I		Column-II			Column-III
(a)	Joseph Priestley	(i)	Glucose production	(p)	Photosynthesis
(b)	Julius Von Sachs	(ii)	Role of sunlight	(q)	Plants restore air
(c)	Jan Ingenhousz	(iii)	Role of air	(r)	Green parts of plants
(d)	T. W. Engelmann	(iv)	Action of spectrum	(s)	Release of $O_{2}$

MEDIUM

Physics>Change>Consequences>Propagation of Sound

Match the following lists.

	List-I		List-II
A	Sunlight is essential to the plant process that purifies air fouled by breathing animals	I	Melvin Calvin
B	Bacteria were used to detect the sites of $O_{2}$ evolution	II	Sachs
C	Evidence for the production of glucose	III	Priestley
D	Role of air in the growth of green plants	IV	Ingenhousz
		V	Engelman
		VI	Neil

The correct match is:

EASY

Physics>Change>Consequences>Propagation of Sound

Oxygen is not produced during photosynthesis by

EASY

Physics>Change>Consequences>Propagation of Sound

The percentage of sunlight captured by plants is

MEDIUM

Physics>Change>Consequences>Propagation of Sound

Study the following lists and match the discoveries and/or inventions made by the scientists during $20^{th}$ century

	List - I		List - II
(a)	Oxygen evolution from $H_{2} O$ in photosynthesis	(i)	Benson
(b)	$C_{3}$ path way of Carbon assimilation	(ii)	V.S. Rama Das
(c)	Contribution to $C_{4}$ -photosynthesis	(iii)	Robert Hill
(d)	Artificial synthesis of genes	(iv)	Hara Govind Khorana
		(v)	Frankel Conrat

The correct answer is

MEDIUM

Physics>Change>Consequences>Propagation of Sound

What is the evidence to show that

O_{2}

released during photosynthesis comes form water?

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Physics>Change>Consequences>Propagation of Sound

Engelmann's experiment with Spirogyra demonstrated that

MEDIUM

Physics>Change>Consequences>Propagation of Sound

Radioisotopic technique was used to establish some facts regarding :

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Physics>Change>Consequences>Propagation of Sound

Radioactive isotopes employed to study photosynthesis are

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Physics>Change>Consequences>Propagation of Sound

Which of the following radioactive oxygen was used to detect the source of oxygen in photosynthesis

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Physics>Change>Consequences>Propagation of Sound

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

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Physics>Change>Consequences>Propagation of Sound

Algae used by Calvin and associates for photosynthetic research is

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Physics>Change>Consequences>Propagation of Sound

During photosynthesis, what is the source of oxygen?

EASY

Physics>Change>Consequences>Propagation of Sound

Path of carbon in photosynthesis was found by using

HARD

Physics>Change>Consequences>Propagation of Sound

Photolysis of water by isolated chloroplasts was demonstrated by