Assertion `:-` The primary function of sweat is to facilitate a cooling effect on the body surface. Reason `:-` Small amount of nitrogenous wastes cou

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Assertion `:-` The primary function of sweat is to facilitate a cooling effect on the body surface. ... . D. If both Assertion & Reason are false.

Related questions

Description : Sweat glands in mammals are primarily concerned with - (1) removal of excess salts (2) excretion of nitrogenous wastes (3) therrnoregulation (4) sex-attraction

Last Answer : (3) therrnoregulation Explanation: Sweat glands, or sudoriferous glands, are small tubular structures of the skin that produce sweat. The cause of sweating and body odor stems from our body's ... and balances our body fluids and electrolytes, chemicals in our body such as sodium and calcium.

Description : Sweat glands in mammals are primarily concerned with (1) removal of excess salts (2) excretion of nitrogenous wastes (3) thermoregulation (4) sex-attraction

Last Answer : thermoregulation

Description : Primary function of enteronephric nephridia of Pheretima is (a) osmoregulation (b) excretion of nitrogenous wastes (c) respiration (d) locomotion.

Last Answer : (a) osmoregulation

Description : which one of the following is not a function of Artificial Kidney? (a) To remove nitrogenous wastes from the blood. (b) To remove excess fluids from the blood. (c) To reabsorb essential nutrients from the blood. (d) To filter and purify the blood.

Last Answer : (c) To reabsorb essential nutrients from the blood.

Description : What part of the body excretes nitrogenous wastes through urine ?

Last Answer : Urine excretes 80% of nitrogenous wastes from the body.

Description : The haemodialyzer has semi-permeable lining of tubes which help to: (a) To maintain osmotic pressure of blood. (b) To filter nitrogenous wastes from the dialyzing solution. (c) In passing the waste product, in the dialyzing solution. (d) To pump purified blood back into the body of the patient.

Last Answer : (c) In passing the waste product, in the dialyzing solution.

Description : Two examples in which the nitrogenous wastes are excreted from body in the form of uric acid are (a) birds and lizards (b) frogs and cartilaginous fish (c) insects and bony fish (d) mammals and molluscs.

Last Answer : (a) birds and lizards

Description : Assertion `:` Mucous glands occur throughout the alimentary canal Reason `:` Mucous substances facilitate movement of food through the alimenatary can

Last Answer : Assertion `:` Mucous glands occur throughout the alimentary canal Reason `:` Mucous substances facilitate ... . If both Assertion & Reason are false.

Description : Uricotelic mode of passing out nitrogenous wastes is found in

Last Answer : Uricotelic mode of passing out nitrogenous wastes is found in A. Reptiles and Birds B. Birds ... C. Amphibians and Reptiles D. Insects and Amphibians

Description : In Hydra, egestion of undigested food and excretion of nitrogenous wastes occur through

Last Answer : In Hydra, egestion of undigested food and excretion of nitrogenous wastes occur through A. Mouth and ... Mouth and body wall D. Mouth and tentacles.

Description : Uricotelic mode of passing out nitrogenous wastes is found in

Last Answer : Uricotelic mode of passing out nitrogenous wastes is found in A. Reptiles and bird B. Birds ... C. Amphibians and reptiles D. Insects and amphibians

Description : An advantage of excreting nitrogenous wastes in the form of uric acid is that

Last Answer : An advantage of excreting nitrogenous wastes in the form of uric acid is that A. Uric acid can be ... D. Uric acid may be excreted through the lungs

Description : Uric acid is the chief nitrogenous wastes in – (1) Frogs (2) Birds (3) Fishes (4) Mankind

Last Answer : (2) Birds Explanation: Land snails, insects, birds, and some reptiles excrete uric acid as the major nitrogenous waste. The white, crystalline substance seen in a typical bird or lizard "poop" is actually urine: a little pool of uric acid crystals in a very small amount of water.

Description : How nitrogenous wastes are removed? 

Last Answer : Simple aquatic animals excrete ammonia in surrounding water by diffusion. In higher animals ammonia is converted into less toxic compounds such as urea, and uric acid. Urea is excreted out in ... in insects, reptiles and birds. It is excreted out in the form of crystals with little water. 

Description : How nitrogenous wastes are formed in animals?  

Last Answer : In the process of deamination, amino acids break down. In this process a toxic compound ammonia is formed which further converted into urea and uric acid. 

Description : Uricotelic mode of excreting nitrogenous wastes is found in (a) reptiles and birds (b) birds and annelids (c) amphibians and reptiles (d) insects and amphibians.

Last Answer : (a) reptiles and birds

Description : Select the correct option with respect to cockroaches. (a) Malpighian tubules convert nitrogenous wastes into urea. (b) Males bear short anal styles not present in females. (c) Nervous system comprises of a ... cord and ten pairs of ganglia. (d) The forewings are tegmina which are used in fligh

Last Answer : (b) Males bear short anal styles not present in females

Description : Uric acid is the chief nitrogenous wastes in (1) Frogs (2) Birds (3) Fishes (4) Mankind

Last Answer : Birds

Description : In a class 140 students numbered 1 to 140, all even numbered students opted Mathematics course, those whose number is divisible by 3 opted Physics cou

Last Answer : In a class 140 students numbered 1 to 140, all even numbered students opted Mathematics course, those whose number is ... B. `42` C. `102` D. `1`

Description : Assertion `:-` In fish ammonia is excreted by diffusion through gill surface as ammonium ions. Reason `:-` Some amount of urea may be retained in the

Last Answer : Assertion `:-` In fish ammonia is excreted by diffusion through gill surface as ammonium ions. Reason ` ... . D. If both Assertion & Reason are false.

Description : Primary function of sweat is

Last Answer : Primary function of sweat is

Description : Primary function of sweat is

Last Answer : Primary function of sweat is

Description : Assertion : During oogenesis polar bodies are formed . Reason : Primary function of formation of polarbodies is to bring haploidy of ovum .

Last Answer : Assertion : During oogenesis polar bodies are formed . Reason : Primary function of formation of ... . If both Assertion & Reason are False.

Description : Pick out the wrong statement. (A) Pasteurisation of milk involves moderate heating followed by cooling (B) Bakeries and breweries make use of yeasts (C) Enzyme is a complex nitrogenous compound (D) Oils and fats are alkaloids

Last Answer : (D) Oils and fats are alkaloids

Description : The main function of baffles provided in a shell and tube heat exchanger is to (A) Facilitate the cleaning of outer tube surface (B) Enhance turbulence (C) Hold the tubes in position (D) All 'a', 'b' & 'c'

Last Answer : (B) Enhance turbulence

Description : Assertion `:-` Small intestine is very long and has plica circularis & villi Reason `:` All these increase internal surface area of small intestine fo

Last Answer : Assertion `:-` Small intestine is very long and has plica circularis & villi Reason `:` All these ... False. D. If both Assertion & Reason are false.

Description : The function of the gap junction is to (a) separate two cells from each other (b) stop substance from leaking across a tissue (c) performing cementing to keep neighbouring cells together ( ... cells by connecting the cytoplasm for rapid transfer of ions, small molecules and some large molecules.

Last Answer : (d) facilitate communication between adjoining cells by connecting the cytoplasm for rapid transfer of ions, small molecules and some large molecules.

Description : Assertion . Mast cells in human body release excessive amount of inflammatory chemicals which cause allergic reactions. Reason . Allergens in the envi

Last Answer : Assertion . Mast cells in human body release excessive amount of inflammatory chemicals which cause ... If both the assertion and reason are false

Description : Which one of the following is NOT a function of kidney - (1) Regulation of blood pH (2) Removal of metabolic wastes from the body (3) Production of antibodies (4)Regulation of osmotic pressures of the blood

Last Answer : (3) Production of antibodies Explanation: Kidneys are essential in the urinary system and also serve homeostatic functions such as the regulation of electrolytes, maintenance of acid-base balance, and ... diverted to the urinary bladder whereas the antibodies are produced by antigens in the cell.

Description : Which one of the following is NOT a function of kidney ? (1) Regulation of blood pH (2) Removal of metabolic wastes from the body (3) Production of antibodies (4) Regulation of osmotic pressures of the blood 

Last Answer : Production of antibodies

Description : Assertion : Secondary air pollutants are formed by interactin among primary pollutants and are more toxic Reason: DDT is secondary air pollutants

Last Answer : Assertion : Secondary air pollutants are formed by interactin among primary pollutants and are more toxic ... but reason is wrong D. Both are wrong

Description : Assertion: Net primary productivity is gross primary productivity minus respiration. Reason :Secondary productivity is produced by hetrotrophs.

Last Answer : Assertion: Net primary productivity is gross primary productivity minus respiration. Reason :Secondary ... If both assertion and reason are false.

Description : Assertion : Primary spermatocytes of testes are haploid . Reason : Primary spermatocytes are formed by meiosis I in the spermatogonia .

Last Answer : Assertion : Primary spermatocytes of testes are haploid . Reason : Primary spermatocytes are formed by ... . If both Assertion & Reason are False.

Description : Assertion : During follicular phase , the primary follicles in the ovary grow to become a fully mature Graafian follicle . Reason : Endometrium of ute

Last Answer : Assertion : During follicular phase , the primary follicles in the ovary grow to become a fully mature ... D. If both Assertion & Reason are False.

Description : Assertion: Intermolecular dehydration is not useful for the perparation of unsymmetrical ethers from primary alcohols Reason: The reaction leads to a

Last Answer : Assertion: Intermolecular dehydration is not useful for the perparation of unsymmetrical ethers from primary ... . Assertion is false, Reason is true

Description : The main reason for establishing sales territories to 1. secure optimum market coverage 2. reduce selling expenses 3. facilitate planning and control of selling operations 4. improve sales force performance and morale 5. none of these

Last Answer : secure optimum market coverage

Description : What energy does a motorcycle running on gasoline wastes a large amount of energy mainly as?

Last Answer : What is the answer ?

Description : Biological Oxygen Demand (BOD) is a measure of: a. Industrial wastes poured into water bodies b. Extent to which water is polluted with organic compounds c. Amount of carbon monoxide inseparably combined with haemoglobin d. Amount of oxygen needed by green plants during night

Last Answer : Ans: A

Description : In single celled organisms diffusion is sufficient to meet all their requirements of food, exchange of gases or removal of wastes but it is not in case of multicellular organisms. Explain the reason for this difference. -Biology

Last Answer : Unicellular organisms can absorb sufficient oxygen because of its complete contact with the atmosphere, but in multicellular organisms the rate of absorption and diffusion becomes very less because all ... of oxygen to sustain life processes which cannot be fulfilled by the process of diffusion.

Description : Vacuum is generally maintained in the vapour space of an evaporator mainly to (A) Get economical temperature difference by using moderate pressure steam (B) Facilitate forward ... (C) Concentrate heat sensitive materials (D) Achieve very high concentration of the final product

Last Answer : (A) Get economical temperature difference by using moderate pressure steam

Description : Two conditions of enamel facilitate the post eruptive uptake of fluoride: A. Hyper mineralisation and surface dentine B. Surface demineralisation and hypo mineralisation C. Dental fluorosis and enamel opacities

Last Answer : B. Surface demineralisation and hypo mineralisation

Description : True statements about aldosterone include: a. it increases the amount of Na+-K+ ATPase in the target cells b. it reduces the sodium content of the sweat c. it increases the acidity of urine d. all above

Last Answer : all above

Description : A high surface area to volume ratio in cells is important because it (a) Enables efficient transfer of wastes, nutrients and gases across the cell membrane (b) Prevents overproduction of cell ... self and non-self (d) Provides for better structural support to cope with external physical pressure

Last Answer : Ans:(a)

Description : Assertion `:-` Mostly aquatic animals are ammonotelic. Reason `:-` Ammonia is the most toxic form and requires large amount of water for its eliminati

Last Answer : Assertion `:-` Mostly aquatic animals are ammonotelic. Reason `:-` Ammonia is the most toxic form and ... . D. If both Assertion & Reason are false.

Description : Assertion: Amount of biodegradable organic matter present in water is measured by BOD of water Reason: During biodegradation of organic compounds. Oxy

Last Answer : Assertion: Amount of biodegradable organic matter present in water is measured by BOD of water Reason: ... but reason is wrong D. both are wrong

Description : Assertion (A): Pressure, volume, and temperature are all extensive properties. Reason (R ) : Extensive properties depend upon the amount and nature of

Last Answer : Assertion (A): Pressure, volume, and temperature are all extensive properties. Reason (R ) : Extensive ... . D. If both Assertion & Reason are false.

Description : Assertion : Estrogen level is high during the follicular phase of menstrual cycle . Reason : During this phase corpus luteum secrete large amount of e

Last Answer : Assertion : Estrogen level is high during the follicular phase of menstrual cycle . Reason : During this ... D. If both Assertion & Reason are False.

Description : Assertion :- During S-phase, amount of DNA per cell boubles. Reason :- During S-phase, there is no increase in cromosome number.

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Description : Assertion(A): High national income leads to better human Development Index Reason(R): Good health and education facilities depends on amount of money spent by govt on these facilities. a) Both A and R are true and R is ... of A. c) A is correct but R is wrong. d) A is wrong but R is correct.

Last Answer : d) A is wrong but R is correct.