Description : Ferredoxin `e^(-)` acceptor is a component of
Last Answer : Ferredoxin `e^(-)` acceptor is a component of A. PS-I B. PS-II C. Hill reaction D. `P_(680)`
Description : In photosystem I, the first electron acceptor is (a) an iron-sulphur protein (b) ferredoxin (c) cytochrome (d) plastocyanin.
Last Answer : (a) an iron-sulphur protein
Description : The first acceptor of electrons from an excited chlorophyll molecule of photosystem II is (a) iron-sulphur protein(b) ferredoxin (c) quinone (d) cytochrome.
Last Answer : (c) quinone
Description : About 5% of the total body, iron is present in (A) Transferrin (B) Myoglobin (C) Cytochromes (D) Haemosiderin
Last Answer : Answer : B
Description : Iron-pophyrin is present as prosthetic group in (A) Cytochromes (B) Catalases (C) Peroxidase (D) None of these
Last Answer : Answer : D
Description : Electrons from excited chlorophyll molecule of photosystem II are accepted first by (a) quinone (b) ferredoxin (c) cytochrome-b (d) cytochrome-f.
Last Answer : (a) quinone
Description : Ferredoxin is a constituent of (a) PS I (b) PS II (c) Hill reaction (d) P680.
Last Answer : (a) PS I
Description : How do cytochromes function in photosynthesis and respiration? -Biology
Last Answer : answer:
Description : What are cytochromes? -Biology
Description : The following are the functions of copper: (A) Constituent of cytochromes (B) Catalase (C) Tyrosinase (D) All of these
Description : The enzymes present in the membrane of mitochondria are (A) Flavoproteins and cytochromes (B) Fumarase and lipase (C) Enolase and catalase (D) Hexokinase and zymase
Last Answer : Answer : A
Description : Brown adipose tissue is (A) A prominent tissue in human (B) Characterised by high content of mitochondria (C) Associated with high activity of ATP synthase (D) Characterised by low content of cytochromes
Description : All the following statements about brown adipose tissue are true except (A) It is rich in cytochromes (B) It oxidizes glucose and fatty acids (C) Oxidation and phosphorylation are tightly coupled in it (D) Dinitrophenol has no effect on it
Last Answer : Answer : C
Description : Cytochromes are found in (a) cristae of mitochondria (b) lysosomes (c) matrix of mitochondria (d) outer wall of mitochondria.
Last Answer : (a) cristae of mitochondria
Description : Which of the following Agroforestry System is matched incorrectly based on its component? [a] Boundary Plantation - Tress on Boundary + Crops [b] Block Plantation - Block of Trees + Block of Crops [c] ... Crops [d] Alley Cropping - Perennial hedges + Crop [e] Energy Plantation - Fruit Trees + Crops
Last Answer : [d] Alley Cropping – Perennial hedges + Crop
Description : Which one of the following element is a constituent of protoplasm? (A) Sulphur (B) Calcium (C) Iron (D) Potassium
Last Answer : (B) Calcium
Description : Which micro-nutrient is most deficient in Indo-Gangatic alluvium soils? (a) Iron (b) Zinc (c) Copper (d) Manganese
Last Answer : (d) Manganese
Description : The chemical formula of iron pyrites is— (A) FeSO 4 (B) FeS (C) FeS 2 (D) Fe 2 (SO 4 ) 3
Last Answer : (C) FeS 2
Description : The problem of iron toxicity generally exists in— (A) Acid soils (B) Alkali soils (C) Saline soils(D) Saline-Alkali soils
Last Answer : (A) Acid soils
Description : Which one of the following is a micro nutrient in the soil? A. Nitrogen B. Iron C. Phosphorus D. Calcium
Last Answer : B. Iron
Description : The deficiency of this element leads to older leaves turning purple in colour on the underside. Identify the mineral? [a] Calcium [b] Phosphorus [c] Potassium [d] Iron [e] None of the above
Last Answer : [c] Potassium
Description : Deficiency of which of the following nutrient leads to terminal bud leaf becoming chlorotic white? [a] Copper [b] Calcium [c] Iron [d] Chlorine [e] None of the above
Last Answer : [e] None of the above
Description : For hard facing base alloys used are a) high carbon steel b) high carbon iron c) carbon steel d) stainless steel
Last Answer : b) high carbon iron
Description : Although a deficiency of any one of the elements listed may result in chlorosis, only one of these elements is an element found in chlorophyll. Which is it?(a) Zinc (b) Iron (c) Magnesium (d) Chloride
Last Answer : (c) Magnesium
Description : White colour of soil is due to the presence of – a) Silica b) Iron c) Manganese oxide d) All of these
Last Answer : c) Manganese oxide
Description : Tarai soils are high in:? a Iron b Sodium c Organic matter d Calcium
Last Answer : c Organic matter
Description : Bitter gourd is rich source of? a Iron b Pottasium c Dietary fibre d Iodine
Last Answer : a Iron
Description : A mould board of MB plough is made of? a Cast iron b Chilled cast iron c Mild steel d Soft centre steel
Last Answer : d Soft centre steel
Description : Which is the most important work in agriculture ?
Last Answer : The most important work in agriculture is land preparation.
Description : What is the important part of Bengali New Year ?
Last Answer : Halkhata is an important part of Bengali New Year.
Description : The microbes play an important role in the catalytic complicated chemical reactions of (a)Wine productions (b) Fermentation (c) Dairy product (d) All of the above
Last Answer : (d) All of the above
Description : The most important cotton species which is grown in more than 50 per cent a] Arboreum b] Barbadense c] Hirsutum d] Herbaceum
Last Answer : c] Hirsutum
Description : White rust is an important fungal disease of? a. Wheat b. Mustard c. Rice d. Bajra e. Tea
Last Answer : b. Mustard
Description : The most important item of exports in marine exports from India is? a. Crab b. Lobsters c. Shrimp d. Prawn e. None Of these
Last Answer : c. Shrimp
Description : The important feature of shifting cultivation is? a. Cultivation by Transplantation b. Rotation of crops c. Change of Cultivation Site d. Cultivation of leguminous crops e. All of the above
Last Answer : c. Change of Cultivation Site
Description : Which sequence in case of eukaryotes is important for MRNA tailing? (a) GAGAGA (b) GAATTC(c) UACGAC (d) UACUAAC
Last Answer : (d) UACUAAC
Description : The most important weed against which eradication measures would be taken on war footings is (a) Eichhornia (b) Dactylis (c) Parthenium (d) Ageratum
Last Answer : (c) Parthenium
Description : White rust is an important fungal disease of – a) Wheat b) Mustard c) Rice d) Bajra
Last Answer : b) Mustard
Description : Ferritin is (A) Coenzyme (B) One of the component of photophosphorylation (C) It is the stored form of iron (D) Non-protein moiety
Description : Iron is a component of (A) Hemoglobin (B) Ceruloplasmin (C) Transferase (D) Transaminase
Description : When soldering a printed circuit board component, you should be careful to prevent damage by _________. A. quickly heating the joints, using a high wattage iron B. using the soldering iron tip sparingly C. using only acid cord solder D. applying mechanical pressure to the joints being soldered
Last Answer : Answer: B
Description : What is represented by the two parallel lines within component 'A' of the circuit shown in the illustration? EL-0081 A. A ground connection B. An iron core C. Ventilation openings D. A mounting base
Description : Alumina, silica, lime and iron oxide are the basic raw material for the manufacture of Portland cement. The component of Portland cement which first hardens is (A) 5CaO. 3 Al2O3 (B) 3CaO. Al2O3 (C) 3CaO. SiO2 (D) 2CaO. SiO2
Last Answer : Option A