Description : $ Crop rotation decreasess the soil fertility. ! High concentration of minerals is required as fertilizers.
Last Answer : $ Crop rotation decreasess the soil fertility. ! High concentration of minerals is required as fertilizers. A. ... D. If both As and R are wrong.
Description : Nutrients absorbed by plants from soil solution are carried upward through the
Last Answer : Ans. Xylem
Description : $ Temperature is an important factors for growth. ! High temperature increses the diameter of Tap root.
Last Answer : $ Temperature is an important factors for growth. ! High temperature increses the diameter of Tap root. A. ... wrong D. If both As and R are wrong.
Description : $ Positive diffusion occurs against the concentration gradients. ! Osmosis does not require a semi-permeable membrane.
Last Answer : $ Positive diffusion occurs against the concentration gradients. ! Osmosis does not require a semi-permeable ... D. If both As and R are wrong.
Description : $ Coenzymes are usually proteins ! The term feedback refers to the effect of enzyme concentration on its rate of reaction.
Last Answer : $ Coenzymes are usually proteins ! The term feedback refers to the effect of enzyme concentration on its rate ... wrong D. If both As and R are wrong.
Description : Absorbed of water against a concentration gradient by using energy released from respiration is called as
Last Answer : Ans. Active absorption
Description : Compared to older tetracyclines, doxycycline produces a lower incidence of superinfection diarrhoea because (a) It is completely absorbed in the small intestines so that drug concentration in the colonic ... (d) It is a potent tetracycline and inhibits the superinfection causing microbes as well
Last Answer : Ans: A
Description : The change in enthalpy, when a unit quantity of gas is absorbed by relatively large quantity of adsorbent (on which a definite concentration of the adsorbed gas already exists) is termed as the (A) ... (B) Heat of wetting (C) Integral heat of adsorption (D) None of these
Last Answer : (A) Differential heat of adsorption
Description : H2S is being absorbed in a gas absorber unit. The height of the transfer unit based on the overall mass transfer coefficient on the gas side is 0.4 m. The equilibrium data is given by, y = 1.5 x. The bulk concentration of H2S ... by, y = 5x + 0.001 is (A) 2.0 (B) 1.56 (C) 1.0
Last Answer : (A) 2.0
Description : Compared to older tetracyclines, doxycycline produces a lower incidence of superinfection diarrhoea because: A. It is completely absorbed in the small intestines so that drug concentration in the colonic contents ... the microbes of the normal gut flora D. It is a potent tetracycline and inhibits
Last Answer : A. It is completely absorbed in the small intestines so that drug concentration in the colonic contents is low
Description : $ Photosynthesis roots are a type of Tap Root System. ! Anoxygenic photosynthesi is performed by photosynthetic roots.
Last Answer : $ Photosynthesis roots are a type of Tap Root System. ! Anoxygenic photosynthesi is performed by photosynthetic ... D. If both As and R are wrong.
Description : $ Tap root arises from the radicle of seed. ! Radical leaves arise from the reduced stem.
Last Answer : $ Tap root arises from the radicle of seed. ! Radical leaves arise from the reduced stem. A. If both As ... R is wrong D. If both As and R are wrong.
Description : $ Tap root system is that which arises from the radicle of seed. ! Adventitious roots can also arise from the radicle.
Last Answer : $ Tap root system is that which arises from the radicle of seed. ! Adventitious roots can also arise from ... is wrong D. If both As and R are wrong.
Description : $ Leghaemoglobin is a compound of Iron and is present in the root nodules of leguminous plants. ! It acts as an oxygen scavenger and forms a temporary
Last Answer : $ Leghaemoglobin is a compound of Iron and is present in the root nodules of leguminous plants. ! It acts ... is wrong D. If both As and R are wrong.
Description : Water will be absorbed by root hairs, then how is when the external medium? -General Knowledge
Last Answer : The answer is 'Hypotonic'
Last Answer : answer:
Description : In plants water is absorbed by the root hairs by a process called: (1) Transpiration (2) Respiration (3) Perspiration (4) Osmosis
Last Answer : (4) Osmosis Explanation: Plants absorb water from their root hairs on the root via osmosis. It is then transported to other parts of the plant. (through the network of xylem vessels) through a combination of capillary action and "transiprational pull".
Description : Water will be absorbed by root hairs, then how is when the external medium?
Last Answer : Hypotonic
Description : Minerals absorbed by root move to the leaf through (a) xylem (b) phloem (c) sieve tubes (d) none of the above.
Last Answer : (a) xylem
Description : Potometer works on the principle of (a) osmotic pressure (b) amount of water absorbed equals the amount transpired (c) root pressure (d) potential difference between the tip of the tube and that of the plant.
Last Answer : (b) amount of water absorbed equals the amount transpired
Description : A systemic pesticide ? a). kills anything it touches b). root absorbed c). Root/shoot absorbed & translocative d). shoot absorbed
Last Answer : c). Root/shoot absorbed & translocative
Last Answer : Osmosis
Description : $ Those parts of the plants which help in vegetative reproduction are called propagules. ! Vegetative propagation is a type of Asexual reproduction
Last Answer : $ Those parts of the plants which help in vegetative reproduction are called propagules. ! Vegetative propagation ... D. If both As and R are wrong.
Description : how do different parts of the human digestive system help to break down molecules of fat so that they can be absorbed into the body?
Last Answer : Fat is first processed by a mechanical breakdown in the mouth through chewing and in the stomach through its churning' action. Lipase, an enzyme produced in the pancreas, converts fat in ... and producing alkaline conditions in the small intestine where the fat is being broken down and absorbed
Description : The growth of seedling plants after transplantation will not always be proper because (a) New soil may not contain the required minerals (b) During transplantation root hairs get damaged (c) Roots cannot penetrate deep into the soil (d) Of all factors stated above
Last Answer : Ans:(d)
Description : $ The patients of cholera, vomitting and dysentary are given intravenous drip of saline solution. ! The saline solution kills the disease causing micr
Last Answer : $ The patients of cholera, vomitting and dysentary are given intravenous drip of saline solution. ! The saline ... D. If both As and R are wrong.
Description : One gram of `Na_(3)AsO_(4)` is boiled with excess of solid `KI` in presence of strong `HCl`. The iodine evolved is absorbed in `KI` solution and titra
Last Answer : One gram of `Na_(3)AsO_(4)` is boiled with excess of solid `KI` in presence of strong `HCl`. The iodine evolved ... B. 38.4 mL C. 24.7 mL D. 30.3 mL
Description : When a strong beam of light is passed through a colloidal solution, the light will – (1) be scattered (2) pass unchanged (3) be absorbed (4) be reflected
Last Answer : (1) be scattered Explanation: When a strong beam of light is passed through a colloidal solution, the light will be scattered.
Description : Strips of newspaper, filter paper and glazed paper are dipped in dilute potassium permanganate solution. Which paper will have absorbed more potassium permanganate?
Last Answer : The level of potassium permanganates in filter paper will be maximum as is more porous.
Description : If CO2 is not fully absorbed by the KOH solution meant for its absorption in the orsat apparatus, it will appear as (A) O2 (B) CO (C) N2 (D) SO2
Last Answer : (D) SO2
Description : In flue gas analysis by Orsat's apparatus, oxygen is absorbed by (A) Potassium hydroxide (B) Cuprous chloride (C) Alkaline pyrogallol solution
Last Answer : (C) Alkaline pyrogallol solution
Description : In flue gas analysis by Orsat's apparatus, carbon dioxide is absorbed by (A) Potassium hydroxide (B) Dilute potassium carbonate (C) Cuprous chloride (D) Alkaline pyrogallol solution
Last Answer : (A) Potassium hydroxide
Description : In flue gas analysis by Orsat's apparatus, carbon monoxide is absorbed by (A) Cuprous chloride (B) Potassium hydroxide (C) Alkaline pyrogallol solution (D) None of these
Last Answer : (A) Cuprous chloride
Description : When a strong beam of light is passed through a colloidal solution, the light will (1) be scattered (2) pass unchanged (3) be absorbed (4) be reflected
Last Answer : be scattered
Description : Which one of the following is the most likely root cause why menstruation is not taking place in regularly cycling human female? (a) Maintenance of the hypertrophical endometrial lining (b) ... the blood stream (c) Retention of well-developed corpus luteum (d) Fertilisation of the ovum
Last Answer : (b) Maintenance of high concentration of sex- hormones in the blood stream
Description : Patient presents with rapidly progressive root caries on many teeth. Which of the following laboratory results would be a possible indicator of this? A. Stimulated salivary secretion rate of 1.5ml/min B. ... of 105 organism/ml E. Salivary buffering PH 5.5 > 100000 CFU/ml high caries incidence
Last Answer : E. Salivary buffering PH 5.5
Description : $ Grafting is always between a stock and scion. ! Movements under the effect of shock are called Seismonastic.
Last Answer : $ Grafting is always between a stock and scion. ! Movements under the effect of shock are called Seismonastic ... wrong D. If both As and R are wrong.
Description : $ Air pollutants are always gaseous. ! Ultraviolet rays do not cause any harm to the human beings.
Last Answer : $ Air pollutants are always gaseous. ! Ultraviolet rays do not cause any harm to the human beings. A. If ... is wrong D. If both As and R are wrong.
Description : $ Pyramid of Energy is always upright ! Pyramid of biomass is always inverted.
Last Answer : $ Pyramid of Energy is always upright ! Pyramid of biomass is always inverted. A. If both As and R are ... is wrong D. If both As and R are wrong.
Description : $ Funaria plant is monoecious. ! Monoecious plants are those which are always unisexual.
Last Answer : $ Funaria plant is monoecious. ! Monoecious plants are those which are always unisexual. A. If both As and ... wrong D. If both As and R are wrong.
Description : $ Nitrogen fixing bateria always live in symbiosis. ! Symbiosis occurs between the organisms of the same species.
Last Answer : $ Nitrogen fixing bateria always live in symbiosis. ! Symbiosis occurs between the organisms of the same species. ... D. If both As and R are wrong.
Description : $ Both the solute and solvent can pass through a semipermeable membrane. ! A semipermeable membrane is always living.
Last Answer : $ Both the solute and solvent can pass through a semipermeable membrane. ! A semipermeable membrane is always ... D. If both As and R are wrong.
Description : $ The process of synthesis of complex organic molecules from simpler ones, by the living organisms is called Anabolisms. ! Anabolism is always useful
Last Answer : $ The process of synthesis of complex organic molecules from simpler ones, by the living organisms is called ... wrong D. If both As and R are wrong.
Description : $ Notochord is present in vertebrates. ! Notochord is always formed of bones.
Last Answer : $ Notochord is present in vertebrates. ! Notochord is always formed of bones. A. If both A and R are ... is wrong D. If both A and R are wrong.
Description : $ Progenote is considered to be the more ancient form of life which gave rise to archaeobacteria and eubacteria. ! Monomers are always multicellular.
Last Answer : $ Progenote is considered to be the more ancient form of life which gave rise to archaeobacteria and eubacteria ... D. If both As and R are wrong.
Description : $ The phenomenon of soil-less culture of plants is called Hydroponics. ! Donnan equilibrium is due to fixed ions in the cells
Last Answer : $ The phenomenon of soil-less culture of plants is called Hydroponics. ! Donnan equilibrium is due to fixed ... wrong D. If both As and R are wrong.
Description : $ Stilt roots grow obliquely into soil. ! Respiratory roots are negatively geotropic.
Last Answer : $ Stilt roots grow obliquely into soil. ! Respiratory roots are negatively geotropic. A. If both As and R ... is wrong D. If both As and R are wrong.
Description : $ Air layering is performed in those plants which have many, long flexible branches near the soil level. ! Layering method of vegetative propagation i
Last Answer : $ Air layering is performed in those plants which have many, long flexible branches near the soil level. ! ... wrong D. If both As and R are wrong.
Description : When chemical reactions occur energy is always absorbed?
Last Answer : No, chemical reactions can be endothermic or exothermic.