Plant Physiology And Biochemistry 01 — Agri Master Mind

Which of the following amino acids contain sulphur?
  • Methionine
  • Arginine
  • Histidine
  • Tryptophan
Plants which produce flowering below a critical day length of photoperiod are called
  • Long day plant
  • Short day plant
  • Day neutral plant
  • None of the above
Photorespiration occurs in cell organelle-
  • Mitochondria
  • Peroxisomes
  • Chloroplast
  • All of these
Photophosphorylation takes place in-
  • Chloroplast
  • Cytoplasm
  • Mitochondria
  • Ribosomes
Amyloplasts contains-
  • Starch
  • Lipid
  • Protein
  • Nucleic acid
The site of synthesis and degradation of H 2 O 2 in a plant cell is-
  • Lysosome
  • Sphaerosome
  • Peroxisome
  • Microsome
All are membrane-bounded cell organelles except-
  • Ribosomes
  • Vacuoles
  • Plastids
  • Glyoxysomes
The largest cell organelle is-
  • Plastid
  • Dictyosome
  • Mitochondria
  • Nucleus
The function of nucleolus is-
  • DNA Replication
  • RNA Replication
  • Chromatid Sepration
  • Ribosome Synthesis.
If cell is fragmented in a centrifuge, which new cell structure is formed-
  • Centrosome
  • Ribosome
  • Dictyosome
  • Microsome
The energy currency of the cell is-
  • NADPH
  • ADP
  • ATP
  • Creatin Phosphate
A unit membrane has a thickness of-
  • 75 A°
  • 1 µm
  • 5 nm
  • 100 nm
Within a cell the site of aerobic respiration is-
  • Vacuole
  • Mitochondrian
  • Plastid
  • Peroxysomes
Whole life on the earth is dependent on following process-
  • Protein synthesis
  • Photosynthesis
  • Respiration
  • DNA synthesis
Maize is a-
  • C3 plant
  • C4 plant
  • CAM plant
  • None of the above
Ferredoxin is involved in-
  • Transport of oxygen
  • Electron transfer
  • Hydrolysis
  • Non of the above
In plants, auxin (IAA) is synthesised from-
  • L-Tyrosine
  • L-Methionine
  • L-Lysine
  • L-Tryptophan
Chlorophyll 'a' contains-
  • Fe
  • Cl
  • Mg
  • None of the above
Oxygen evolved during photosynthesis comes from -
  • Water
  • CO ₂
  • Soil
  • Atmosphere
Which cell organelle plays a role in photorespiration-
  • Nucleus
  • Ribosomes
  • Peroxisomes
  • All of these
If a cell is placed in hypertonic solution, it will –
  • Shrink
  • Swell
  • Remain same
  • Burst
Cell organelle NOT present in higher plants is -
  • Peroxisome
  • Vacuole
  • Basal Body
  • Lysosomes
C4 cycle of photosynthesis is also known as -
  • Calvin-Benson cycle
  • Hatch and Slack cycle
  • Crassulacean acid metabolism
  • Glyoxylate cycle
Most effective light in photosynthesis is -
  • Blue
  • Green
  • Red
  • Yellow
Cell organelle known as the dictyosome is
  • Ribosome
  • Chondriosome
  • Golgi body
  • Peroxisome
It is also known as flowering hormone -
  • Auxin
  • GA
  • Cytokinin
  • ABA
Which of the following may act as a second messenger for auxin action-
  • IAA
  • Matellothiomines
  • DNA
  • Polyamines
Site for protein synthesis is -
  • Rough endoplasmic reticulum
  • Nucleus
  • Smooth endoplasmic reticulum
  • Chloroplast
Fatty acids oxidation takes place in-
  • Mitochondria
  • Cytoplasm
  • Lysosomes
  • Peroxisomes
Enantiomer of D-glucose is -
  • D-Fructose
  • L-Fructose
  • L-Glucose
  • D-Galactose
Following amino acids contains positively charged side chain-
  • Glutamic acid
  • Arginine
  • Tyrosine
  • None of these
R.N.A. primage is involved in-
  • Replication
  • Transcription
  • Translation
  • Ligation
Triterpene is made of following number of Isoperine units
  • Three
  • Six
  • Nine
  • None of these
Following is an essential fatty acid-
  • Linoleic acid
  • Linolenic acid
  • Both a & b
  • None of these
Smallest organelle of a cell is –
  • Nucleus
  • Ribosome
  • Mitochondria
  • Chloroplast
Which of the following have no enzymes of their owns –
  • Bacteria
  • Cyanobacteria
  • Viruses
  • All the above
Which of the following enzymes is not proteinaceous in nature?
  • Urease
  • Peptidage
  • Phosphatase
  • Ribozymes
The most abundant protein enzyme found in plants-
  • RuBP carboxylase/oxyganase
  • PEP carboxylase
  • Catalase
  • Peroxydase
Phosphodiester bond is present in-
  • Carbohydrates
  • Proteins
  • Lipids
  • Nucleic acids (DNA/RNA)
Which of the following linkages is present in amylopectin?
  • α , 1 → 4
  • α , 1-6
  • α , → 4 & α , 1 → 6
  • None of the above
Phospholipids contain -
  • Fatty acids
  • Alcohols
  • Phosphoric acid
  • All the above
Synthesis of proteins from mRNA is called-
  • Transcription
  • Translation
  • Both a & b
  • None of the above
Which of the following storage proteins is present in maize-
  • Hordein
  • Ricin
  • Zein
  • Gliadin
Cell theory was proposed by
  • Beadle and Tatum
  • Robert Hooke
  • Schleiden and Schwann
  • Leenuwenhoek
Who coined the term Cell-
  • Schwann
  • Schleiden
  • Robert hook
  • Both a & b
Cellulose is the major component of -
  • Primary wall
  • Middle lamella
  • Secondary wall
  • All of the above
Amino acids are joined by -
  • Peptide bond
  • Hydrogen bond
  • lonic bond
  • Glycosidic bond
The primary structure of protein represent -
  • Linear sequence of amino acids joined by peptide bond
  • 3-D structure of protein
  • Helical structure of protein
  • None of the above
The term 'enzyme' was coined by -
  • Frederick W. Kuhne
  • James
  • Sumner
  • Emil Fisher