681 ____________ was first to propose an objective definition of instinct. Biology Medium Full question → A Thorpe B Darwin C Pavlov D Kohler
682 ____________ is simplest form of learning. Biology Medium Full question → A Imprinting B Habituation C Insight learning D Latent learning
683 Which type of sensory structures carry deep pressure and vibration sensations______________? Biology Medium Full question → A Hair end organs B Meissner’s Corpuscles C Pacinian corpuscles D none of these
684 Which type of sensory structures carrying the touch sensations are present in papillae extending into ridges of the fingertips___________________? Biology Medium Full question → A Hair end organs B Meissner’s Corpuscles C Pacinian corpuscles D None of these
685 Type of sensations carried by nociceptors are_________________? Biology Medium Full question → A Touch. B Temperature. C Pressure. D Pain
686 Which type of the receptors are present in the ear__________________? Biology Medium Full question → A Chemoreceptors B Mechanoreceptors C Photoreceptors D Thermoreceptors
687 Which of the following is used in brewing industry to promote malting_______________? Biology Medium Full question → A Gibberellins B Cytokinins C Auxins D Abscisic Acid
688 NADPH2 provides___________? Biology Medium Full question → A assimilatory power B chemical energy C energized electrons D All of these
689 Light reaction takes place on/in____________? Biology Medium Full question → A Thylakoid B Storma C Chloroplast D Grana
690 Reduction in photosynthesis is of____________? Biology Medium Full question → A O2 B CO2 C H2O D light energy
691 Which of the following pigment is Blue- green in colour? Biology Medium Full question → A Chlorophyll a B Chlorophyll b. C Chlorophyll c D Chlorophyll d.
692 Stomata cover only ______________ of leaf surface? Biology Medium Full question → A 0.03 – 0.04% B 10% C 1-2 % D 50%
693 Molecular formula of chlorophyll ‘a’ molecule is___________? Biology Medium Full question → A C55H72O5N4Mg B C55H70O6N4Mg C C50H72O6N4Mg D C55H70O5N4Mg
694 Photosynthesis carried out by terrestrial plants is _________ of total photosynthesis? Biology Medium Full question → A 1-2% B 5% C 10% D 20%
695 Which of the following statement about the head of a chlorophyll molecule is incorrect? Biology Medium Full question → A It is a porphyrin ring or tetrapyrrole ring structure B It is flat, square and light absorbing C Composed of carbon and nitrogen atoms with Magnesium as central metal ion, which is coordinated with nitrogen. D It is hydrophobic
696 Of the following, which one causes higher production of food in green plants? Biology Medium Full question → A Blue B Orange C Red D Violet
697 Chlorophyll is insoluble in_____________? Biology Medium Full question → A Carbon tetrachloride B Alcohol C Organic solvents D Water
698 First Actions spectrum was obtained by using__________? Biology Medium Full question → A Algae B Fungi C Bacteria D Spirogyra
699 Which of the light is mainly absorbed by the plants? Biology Medium Full question → A Orange B Red C Green D Both A and B
700 The first action spectrum was obtained by___________? Biology Medium Full question → A T.W.Englemam B Malleus C T.W.Inws D W.Stapes