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