In which of the following all three are macronutrients?
Options
(a) Boron,Zinc ,Manganese (b) Iron,Copper ,molybdenum (c) Molybdenum,magnesium,manganese (d) Nitrogen,nickel ,phosphorus
Correct Answer:
Nitrogen,nickel ,phosphorus
Explanation:
None of the options are accurate with […]
In the stomach, gastric acid is secreted by the
Options
(a) Gastrin secreting cells (b) Parietal cells (c) Peptic cells (d) Acidic cells
Correct Answer:
Parietal cells
Explanation:
In the stomach, gastric […]
In meiosis, crossing over is initiated at
Options
(a) Pachytene (b) Leptotene (c) Zygotene (d) Diplotene
Correct Answer:
Pachytene
Explanation:
Leptotene is Condensation of chromatin.Zygotene is Synapsis of homologous chromosomes.Pachytene is Crossing over.Diplotene […]
In bryophytes and pteridophytes, transport of male gametes requires
Options
(a) Wind (b) insects (c) Birds (d) Water
Correct Answer:
Water
Explanation:
In several simple plants like algae, bryophytes, and pteridophytes, water is […]
In a chloroplast, the highest number of protons are found in
Options
(a) Stroma (b) Lumen of thylakoids (c) Inter-membrane space (d) Antennae complex
Correct Answer:
Lumen of thylakoids
Explanation:
Proton concentration is […]
Emerson’s enhancement effect and Red drop have been instrumental in the discovery of
Options
(a) Photophosphorylation and non-cyclic electron transport (b) Two photosystems operating simultaneously (c) Photophosphorylation and cyclic electron transport (d) Oxidative […]
Cotyledon of maize grain is called as
Options
(a) Plumule (b) Coleorhiza (c) Coleoptile (d) Scutellum
Correct Answer:
Scutellum
Explanation:
Large, shield-shaped cotyledon of grass family is called scutellum.Coleorhiza is a sheath protecting […]
Chrysophytes, Euglenoids, Dinoflagellates and Slime moulds are included in the kingdom
Options
(a) Monera (b) Protista (c) Fungi (d) Animalia
Correct Answer:
Protista
Explanation:
All single-celled eukaryotes like chrysophytes [diatoms and desmids], Euglenoids […]
Blood pressure in the pulmonary artery is
Options
(a) Same as that in the aorta (b) More than that in the carotid (c) More that than in pulmonary vein (d) Less than that […]
Asthma may be attributed to
Options
(a) bacterial infection of the lungs (b) allergic reaction of the mast cells in the lungs (c) inflammation of the trachea (d) accumulation of fluid in the […]
2017 Copyright Doctor Dreams Training Academy