Description : Organic compounds which inhibit or modify any physiological process
Last Answer : Ans. Plant Growth Regulators (PGRs)
Description : Transplantation of tissues/organs fails often due to non-acceptance by the patient’s body. Which type of immune response is responsible for such rejections? (a) Cell-mediated immune response (b) Hormonal immune response (c) Physiological immune response (d) Autoimmune response
Last Answer : (a) Cell-mediated immune response
Description : Identify A, B and C in the diagramatic representation of the mechanism of hormone action. B A Response 1 C Physiological Responses Select the correct option from the following. (a) A-Steroid Hormone; B- ... ; C - Second Messenger (d) A-Protein Hormone; B-Cyclic AMP; C-Hormone-receptor Complex
Last Answer : (b) A-Protein Hormone; B-Receptor; C-Cyclic AMP
Description : Transplantation of tissues/organs fails often due to non-acceptance by the patient's body. Which type of immune-response is responsible for such rejections ? (1) Cell - mediated immune response (2) Hormonal immune response (3) Physiological immune response (4) Autoimmune response
Last Answer : (1) Cell - mediated immune response
Description : A drug which does not produce any action by itself but decreases the slope of the log dose-response curve and suppresses the maximal response to another drug is a: A. Physiological antagonist B. Competitive antagonist C. Noncompetitive antagonist D. Partial agonist
Last Answer : C. Noncompetitive antagonist
Description : The study of soils in relation to crop growth.
Last Answer : Ans. Edaphology
Description : Short day plants require day length
Last Answer : Ans. 14 hrs
Description : The process by which plants convert light energy of photon (captured from sunrays) into chemical energy
Last Answer : Ans. Photosynthesis
Description : What physiological adaptions helps annual plants whose climate has long periods of drought followed by brief periods of rain?
Last Answer : a short life cycle triggered by seasonal rains
Description : Phytohormones are (a) chemical regulating flowering (b) chemical regulating secondary growth (c) hormones regulating growth from seed to adulthood (d) regulators synthesised by plants and influencing physiological processes.
Last Answer : (d) regulators synthesised by plants and influencing physiological processes.
Description : The following are true about the pupils: a. pupil size is largest in adolescence b. physiological anisocoria is found in 20% of the population c. the latent period of the pupil reaction to light ranges from 0.2 to 0.5s d. all above
Last Answer : all above
Description : Which of the following are true in relation to Relaxation Response A. It is a physical state of deep rest B. Eliciting this reduces your metabolism C. Eliciting this reduces your blood pressure D. All of the above
Last Answer : D. All of the above
Description : Plants response to the relative length of daylight or darkness is known as: a. long day b. Short day c. Neutral d. Photoperiodism
Last Answer : Photoperiodism
Description : What parameter of light detector determines the range or system length that can be achieved for a given wavelength? ∙ a. Transit time ∙ b. Spectral response ∙ c. Dark current ∙ d. Responsitivity
Last Answer : ∙ b. Spectral response
Description : The ratio of height, width and length in shelterbelt system
Last Answer : Ans. 1:25:10 meter
Description : A pruning process in which a circular ring of bark measuring about 3 cm in length is removed.
Last Answer : Ans. Ringing/Girdling
Description : How do auxin's control a plants response to light?
Last Answer : What is the answer ?
Description : The Heterotrophs, feed on both plants and meats?
Last Answer : Ans. Omnivores
Description : The Heterotrophs, feed on plants and called primary consumers?
Last Answer : Ans. Herbivores
Description : The plants, which produce food themselves through photosynthesis?
Last Answer : Ans. Phototrophs
Description : A self supporting community - plants and animals interacting with each other and the nonliving environment to provide a balanced system is a
Last Answer : Ans. Ecosystem
Description : A group of ornamental plants used to grow over walls, trellis, arches, pergolas, arbours, pillars, bowers etc.
Last Answer : Ans. Climbers and Creepers
Description : The arrangement of colourful potted plants in different tiers around a central object which may be tree trunk, lamp post or pillar.
Last Answer : Ans. Trophy
Description : Planting of low growing plants along with paths, roads, flower beds, lawns etc. for demarcation and beautification
Last Answer : Ans. Edge
Description : Removal of any excess or undesirable/unproductive branches, shoots or any other parts of plants
Last Answer : Ans. Pruning
Description : The science of growing flower and ornamental plants.
Last Answer : Ans. Floriculture/Ornamental horticulture
Description : The science of growing of fruits, vegetables, ornament plants and preservation of foods
Last Answer : Ans. Horticulture
Description : Pink stem borer attacks to plants in
Last Answer : Ans. Night
Description : The region of plants in which translocated food is utilized or immobilized
Last Answer : Ans. Sink
Description : The region of plants in which food to be translocated originates
Last Answer : Ans. Source
Description : PGR related to drought tolerance and stress hardness in plants
Last Answer : Ans. Abscisic acid
Description : The element which takes part in the growth and development of plants
Last Answer : Ans. Plant nutrients
Description : The growth rate of plants is measured by
Last Answer : Ans. Auxanometer and Crescograph
Description : Oxygen is required by the plants for
Last Answer : Ans. Respiration
Description : C4 plants normally give more biological yield than C3 plants because of
Last Answer : Ans. Less respiration
Description : The photosynthetic rate of C4 is …….. than C3 plants
Last Answer : Ans. Low
Description : The water use efficiency of C4 is …….. than C3 plants
Last Answer : Ans. High
Description : The example of CAM plants are
Last Answer : Ans. Pineapple and Opuntia
Description : C4 plants have
Last Answer : Ans. Kranz type leaf
Description : The most important enzyme involved in photosynthetic CO2 fixation in C4 plants
Last Answer : Ans. PEP carboxylase
Description : C4 plants are
Last Answer : Ans. Maize, Sorghum, Sugarcane, millets etc.
Description : The most important enzyme involved in photosynthetic CO2 fixation in C3 plants
Last Answer : Ans. Rubisco
Description : C3 plants are
Last Answer : Ans. Rice, Wheat, Pea, Soybean etc
Description : The product of photosynthesis which is used for growth and development of plants
Last Answer : Ans. Glucose
Description : Pigment which are responsible for photosynthesis in higher plants
Last Answer : Ans. Chlorophyll a and b
Description : Minerals are translocated in plants as
Last Answer : Ans. Both organic and inorganic compounds
Description : Nutrients absorbed by plants from soil solution are carried upward through the
Last Answer : Ans. Xylem
Description : Water is absorption by plants mainly through
Last Answer : Ans. Root hairs