Introduction to photosysnthesis

Q.

How are photosynthesis and cellular respiration connected?

Q. Anoxygenic photosynthesis is characteristic of:

1. Rhodospirillum
2. Spirogyra
3. Chlamydomonas
4. Ulva

Q.

Is RuBisCO present in C4 plants?

Q.

Assertion: The leaves of a plant are food factories.
Reason: In photosynthesis, the green leaves of plants combine carbon dioxide and water in the presence of sunlight to make food and oxygen gas.

1. Assertion is True, Reason is True; Reason is a correct explanation for Assertion.

2. Assertion is True, Reason is True; Reason is NOT a correct explanation for Assertion.

3. Assertion is True, Reason is False.

4. Assertion is False, Reason is True

Q.

Where is glucose stored in a plant?

Q.

Carbohydrates in the plant are stored in the form of-

1. Glycogen

2. Starch

3. Glucose

4. Maltose

Q.

How are reserve food materials synthesized?

Q. In which of the following, oxygen does not evolve during photosynthesis?

1. Photosynthetic red algae
2. Photosynthetic greem algae
3. Photosynthetic blue-green algae
4. Photosynthetic bacteria

Q.

Water vapor exits and CO2 enters a leaf through the

1. porphyrin rings

2. photons

3. stomata

4. grana

Q.

Is oxygen produced by diatoms?

Q. Difference between Light Reaction and Dark Reaction.

Q.

The carbon assimilation step of photosynthesis

1. Involves photolysis of water

2. Is a light-dependent reaction

3. Cannot happen if the light-dependent reaction does not occur

4. Produces ATP and NADPH

Q. Bacteria show anoxygenic photosynthesis. Why?

Q.

How do green plants store energy ?

Q.

Match the names of scientists given in column A with their contributions in column B.

$\begin{array}{cccc}& A& & B\\ \left(i\right)& T.W.Engelmann& \left(p\right)& Darkreaction\\ \left(ii\right)& FredrickBlackmann& \left(q\right)& Lightreaction\\ \left(iii\right)& MelvinCalvin& \left(r\right)& Actionspectrumofphotosynthesis\\ \left(iv\right)& RobinHill& \left(s\right)& Lawoflimitingfactors\\ & & & \end{array}$

1. i-r, ii-s, iii-p, iv-q

2. i-s, ii-p, iii-r, iv-q

3. i-r, ii-s, iii-q, iv-p

4. i-s, ii-r, iii-p, iv-q

Q.

The by-products of photosynthesis are –

1. O₂ and H₂O

2. CO₂ and H₂S

3. O₂ and CO₂

4. H₂O and H₂S

Q. Oxygenic photosynthesis occurs in

1. Oscillatoria
2. Chromatium
3. Rhodospirillum
4. Chlorobium

Q. The empirical equation of photosynthesis is

1. CH₂O+H₂O CO₂+ O₂

2. CO₂+H₂O CH₂O+H₂O

3. CO₂+H₂OH₂CO₃

4. CO₂+H₂OCH₂O + O₂

Q. The by-product of photosynthesis is

1. Glucose
2. $C{O}_2$
3. $H_{2}O$
4. $O_2$

Q. Photosynthesis is

1. Reductive and exergonic
2. Reductive and catabolic
3. Reductive, endergonic and catabolic
4. Reductive, endergonic and anabolic

Q.

What type of process is photosynthesis?

1. Endergonic and anabolic

2. Catabolic

3. Endergonic and catabolic

4. Amphibolic

Q.

Which of the following statements accurately describes the relationship between photosynthesis and cellular respiration?

1. photosynthesis uses solar energy to convert inorganics to energy-rich organics; respiration breaks down energy-rich organics to synthesize ATP

2. photosynthesis involves the oxidation of glucose; respiration involves the reduction of CO2

3. photosynthesis occurs only in autotrophs; cellular respiration occurs only in heterotrophs

4. the primary function of photosynthesis is to use solar energy to synthesize ATP; the primary function of cellular respiration is to break down ATP and release energy

Q. Photosynthesis is an example of

1. Endergonic reaction
2. Catabolic reaction
3. None of the above
4. Exergonic reaction

Q.

A plant is provided with ideal conditions for photosynthesis and supplied with isotope 14 $C{O}_2$. When the products of the process are analysed carefully, what would be the nature of products?

1. Glucose and oxygen are labelled

2. Oxygen is labelled, but glucose is normal

3. Glucose and oxygen are normal

4. Glucose is labelled, but oxygen is normal

Q. Oxygenic photosynthesis occurs in:

1. Chlorobium
2. Chromatium
3. Oscillatoria
4. Rhodospirillum

Q.

Which of the following statements is NOT correct about photosynthesis?

1. Photosynthesis occurs within the chloroplast.

2. During photosynthesis, sugars are formed

3. During photosynthesis, oxygen is not released

4. During photosynthesis, solar energy is used.