16159.In photosynthesis, the first step is
Phtolysis of water
Production of NADPH2
Photoexcitation of chlorophyll
Synthesis of ATP
16160.Calvin was given Nobel prize in 96 for his discovery of
Mode of carbon fixation
Photosynthesis
Photolysis of water
Light reaction
16161.The head and tail of chlorophyll are made up of
Pyrrole and tetrapyrrole
Porphyrine and phytin
Pophyrine and phytol
Tetrapyrrole and magnesium
16162.Photosynthesis is
Oxidative, exergonic, catabolic
Reductive, endergonic, anabolic
Reductive, exergonic, anabolic
Reductive, endergonic, catabolic
16165.Hill reaction occurs in:
Absence of water
Total darkness
High altitude plants
Presence of ferricyanide
16166.Quantasome contains
150-200 chlorophyll molecules
200 chlorophyll molecules
230-250 chlorophyll molecules
300-350 chlorophyll molecules
16167.Agranal chloroplast is seen in
Bundle sheath cells
Mesophyll cells
Both 1 and 2
Epidermal cell
16171.C4 plants show very high rate of photosynthesis as compare to C3 plants, because of
Dicarboxylation
Bundle sheath cells
Absence of photorespiration
All the above
16172.During photsynthesis, the oxygen in glucose comes from
Carbon dioxide
Water
Both 1 and 2
Oxygen
16173.Dark reaction require light reaction for
Carboxylation of RUDP
Reduction of PGA
Formation of hexose phosphate
Regeneration of RUBP
16174.Erythrose monophosphate (4C) is formed during
CAM pathway
C4 pathway
Conversion of fructose to glucose
Regeneration of RUDP
16175.C55H70O6N4Mg is
An accessory pigment in photosynthesis
Present in PS-II
Present in all green plants
All of these
16176.C4 plants can perform photosynthesis
Even in low light intensity
Even in low CO2 concentration
Both 1 and 2
Only in high intensity of light and high CO2
16178.Fret channel is a another name for
Stroma lamellae
Intergranal lamellae
Grana lamellae
Space present in stroma lamellae
16179.Bundle sheath chloroplast of C4 plants are
Large and agranal
Large and granal
Small and granal
Small and agranal
16180.In C3 pathway, out of 12 molecules of 3-PGAL, how many are used for regeneration of RUDP?
12
8
10
6
16181.Sugar moves in phloem vessels as ______.
cellulose
glucose
starch
sucrose
Explanation:
Glucose is called principle carbohydrate, sucrose is called translocable carbohydrate, starch is called storage carbohydrate and cellulose is called structural carbohydrate.
Glucose is called principle carbohydrate, sucrose is called translocable carbohydrate, starch is called storage carbohydrate and cellulose is called structural carbohydrate.
16182.A plant is kept in 300 ppm CO2 concentration. What will happen to it
Plant will die soon
Plant will grow but will not die
Plant will show normal photosynthesis
Respiration will be greatly decreased
16183.Photosynthetic bacteria and blue-green algae have molecular component of their light-receptor systems
Chloroplast
Chromatophores
Lamellae
Grana
16184.Activation radiation for photosynthesis are represented by wavelength of
640-650 nm
600-950 nm
400-700 nm
340-450 nm
16186.All plastids have essentially same structure because
They have to perform same function
They are localized in aerial parts of plants
All plastids store starch, lipid and proteins
One type of platid can be differentiated into another type of plastid depending on cell requirements
16187.Which wavelength of light carries out photosynthesis in bacteria
Ultraviolet light
Blue
Red
Far red
16188.ATP is a source of energy for
Light reaction in C4 plants
Photophosphorylation
Biochemical reactions
Photolysis of water
16190.The first carbon dioxide acceptor in C4 plants is
Phosphoenol – pyruvic acids
Ribulose 1, 5 - Diphosphate
Oxalo- acetic acid
Phosphoglyceric acid
16191.Bacteriochlorophyll differs from chlorophyll a in having
One pyrrol with one hydrogen
One pyrrol with two hydrogen
One pyrrol with three hydrogen
One pyrrol with four hydrogen
16192.Both respiration and photosynthesis require
Sunlight
Green cells
cytochromes
Organic substrate
16197.Calvin's cycle is found in
Only C3 plants
Only photosynthetic plants
All C4 plants
All photosynthetic plants
16198.CAM photosynthesis occurs in plants with
Thin green leaves with reticulate venation
Thin green leaves with parallel venation
Fleshy green leaves
Thin coloured leaves
16199.Carbon dioxide is fixed in
Light reaction
Dark reaction
Aerobic respiration
Anaerobic respiration
16200.C4 plants are adapted to
Hot ad dry climate
Temperate climate
Cold and dry climate
Hot and humid climate
16202.Chlorophyll a occurs in
All photosynthetic autotrophs
In all higher plants
All oxygen liberating autotrophs
All plants except fungi
16204.Chlorophyll is
Soluble in organic solvents
Soluble in water
Soluble in both organic solvents and water
None of the above
16205.Chlorophylls absorb visible light of wavelenghts
400- 500 nm only
300- 400 nm only
600- 800 nm only
400- 500 nm only and 600- 700 nm only
16206.Chloroplast contains maximum quantity of
RuDP -carboxylase
Hexokinase
Pyruvic carboxylase
None
16207.Chloroplast contians maximum quantity of
Pyruvic carboxylase
Hexokinase
RuDP carboxylate
None of the above