Plant Physiology And Biochemistry 02 — Agri Master Mind

Which one of the following plants is used for biodiesel production-
  • Mangifera indica
  • Azadirachta indica
  • Jatropha curcas
  • Triticum aestivum
Citric acid cycle occurs in-
  • Cytoplas
  • Mitochondrial matrix
  • Chlorplast
  • Inner membrane of mitochondria
Following is a nucleoside -
  • Guanine
  • Adenosine
  • Cytidine monophosphate
  • None
Choline is a type of -
  • Terpene
  • Phospholipid
  • Spingolipid
  • Fatty acid
Following is a saturated fatty acid-d
  • Olic Acid
  • Linoleic acid
  • Linolenic acid
  • None
Fatty acid synthesis takes place in-
  • Cytoplasm
  • Mitochondria
  • Chooroplast
  • None
R.N.A. Polymerase is involved in-
  • Transcription
  • Translation
  • Ligation
  • Replication
Following is a termination codon-
  • AUG
  • AGU
  • GAU
  • UAG
Kranz anatomy is a typical feature of-
  • C3 Plants
  • C4 Plants
  • CAM plants
  • All the above
Krebs cycle occurs in-
  • Chloroplast
  • Cytoplasm
  • Mitochondria matrix
  • Ribosomes
Phototropism and gravitropism are medited by -
  • Auxins
  • Cytokinin
  • Gibberellins
  • Ethylen
The free energy of water........... by the addition of solutes
  • Increases
  • Decreases
  • Equal
  • No change
Discovery of Emerson Enhancement effect has clearly shown the existence of
  • Two distinct photosystems
  • Light and dark reactions of photosynthesis
  • Formation of ATP in reaction
  • Photorespiration
What is responsible for guttation?
  • Osmosis
  • Root pressure
  • Transpiration
  • Photosynthesis
So far how many elements considered to be essential nutrients for plants are
  • 15
  • 16
  • 17
  • 18
Dry seeds when placed in water swell up due to -
  • Endosmosis
  • Absorption
  • Adsorption
  • Imbibition
Cell division is caused by the plant hormone-
  • Auxin
  • Cytokinin
  • Gibberellins
  • Ethylene
The photorespiration process is found more in-
  • C3 plants
  • C4 plants
  • Both C3 and C4
  • None of the above
The response of plants to relative length of light and dark period is known as -
  • Photoperiodism
  • Vernalization
  • Cryobiology
  • Dormancy
Which element plays important role in auxins biosynthesis?
  • Zinc
  • Iron
  • Copper
  • Sodium
The following is a stress hormone -
  • ABA
  • IAA
  • Ethylene
  • 2,4-D
The inhibition of photosynthesis by oxygen is called as -
  • Warburg effect
  • Pasture effect
  • Robinson effect
  • Blackman effect
Apical dominance is caused by -
  • Auxin
  • Gibberellins
  • Cytokinins
  • Etheylene
Reducing sugars have -
  • Free aldehyde
  • Free aldehyde or ketone
  • Bound ketone
  • Bound aldehyde
Different molecular forms of an enzyme having the same substrate specificity are -
  • Zymogens
  • Isoenzymes
  • Coenzymes
  • Allosteric enzymes
Pseudouracil occurs in-
  • rRNA
  • tRNA
  • mRNA
  • All
Cytokinins are mostly produced in -
  • Shoot apex
  • Root apex
  • Lateral buds
  • Young leaves
ETC and TCA cycle enzymes occur in-
  • Ribosomes
  • Endoplasm
  • Mitochondria
  • Cytoplasm and nucleus
Which one of the following yields maximum energy?
  • Kreb's cylcle
  • Anaerobic respiration
  • Glycolysis
  • Aerobic respiration
Carotenes protect plants from -
  • Photo-oxidation
  • Dessication
  • photorespiration
  • Photosynthesis
The most effective wavelength of light participating inphotosynthesis is-
  • 450-520 nm
  • 700-760 nm
  • 660-700 nm
  • 520-560 nm
Adenine of DNA is equimolar with -
  • Uridine
  • Thymine
  • Guanine
  • Cytosine
A fibrous polysaccharide is -
  • Glycogen
  • Starch
  • Collagen
  • Cellulose
Starch is a polymer of -
  • Fructose
  • Galactose
  • Glucose
  • Mannose
Fats are solid at -
  • 10° C
  • 20°C
  • 30°C
  • 40°C
DNA does not contain the base -
  • Adenine
  • Guanine
  • Cytosine
  • Uracil
Example of co-enzyme is -
  • Thiamine pyrophosphate(TPP)
  • Catalase
  • Peroxidase
  • MG2+
Which of the following is an essential amino acids?
  • Glycine
  • Lysine
  • Proline
  • Aspartic acid
Monocot stem is present in -
  • Maize
  • Sunflower
  • Cucurbita
  • Mustard
Cactus is a modified form of -
  • Root
  • Stem
  • Leaf
  • None of the above
Theory of natural selection/classification was given by -
  • Darwin
  • Lamarck
  • Bentham and Hooker
  • None of the above
All vital activities of the cell are govern by-
  • DNA
  • RNA
  • Protein
  • All of the above
Sweet potato is a modified -
  • Root
  • Stem
  • Leaf
  • Inflorescence
Which is an animal polysaccharide?
  • Glycogen
  • Starch
  • Fructan
  • Cellulose
Water potential of pure water is –
  • Zero
  • Positive
  • Negative
  • Neutral
Which of the following is not a synthetic auxin-
  • 2,4-D
  • IBA
  • IAA
  • NAA
Method of breaking dormancy are -
  • Scarification
  • Growth regulators
  • Both
  • None of the above
Which hormone causes parthenocarpy
  • Cytokinin
  • ABA
  • Gibberellin
  • Ethylene
Cytochrome pump theory of Mineral-salt absorption was proposed by-
  • Dixon
  • Mole
  • Calvin
  • Lundegardh and Burstrom
Photorespiration occurs in-
  • Mitochondria
  • Chloroplast
  • Peroxisomes
  • All of the above