Assertion: Presence of large amounts of nutrients in water body causes excessive growth of planktonic algae. Reason : It is due to biomagnifications

Assertion: Presence of large amounts of nutrients in water body causes excessive growth of planktonic algae. Reason : It is due to biomagnifications
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Assertion: Presence of large amounts of nutrients in water body causes excessive growth of planktonic algae. ... but reason is wrong D. Both are wrong
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What is the name given to the excessive growth of algae and other primary producers in streams and lakes as a result of an input of soil nutrients? The name begins with the letter "E".

Description : What is the name given to the excessive growth of algae and other primary producers in streams and lakes as a result of an input of soil nutrients? The name begins with the letter "E".  

Last Answer : ANSWER: EUTROPHICATION

Water blooms are formed by a) Lemna b) Hydrilla c) Water hyacinth d) Planktonic algae.

Description : Water blooms are formed by a) Lemna b) Hydrilla c) Water hyacinth d) Planktonic algae.

Last Answer : d) Planktonic algae.

Assertion: Sewage discharge in a water body causes eutrophication. Reason: This increases the organic content in water body and, hence, the growth of

Description : Assertion: Sewage discharge in a water body causes eutrophication. Reason: This increases the organic content in water body and, hence, the growth of

Last Answer : Assertion: Sewage discharge in a water body causes eutrophication. Reason: This increases the organic content ... Reason are false, then mark (4).

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

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

Assertion: Several organisms belonging to monera,fungi,algae and bryophytes produces gametes by mitosis. Reason: the plant body of the monera, fungi,a

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Wilson's disease is an inherited disorder in which excessive amounts of ________ accumulate in the body.

Description : Wilson's disease is an inherited disorder in which excessive amounts of ________ accumulate in the body.

Last Answer : Copper

Growth of __________ is promoted by the presence of manganese in water. (A) Files (B) Algae (C) Micro-organisms (D) Mosquitoes

Description : Growth of __________ is promoted by the presence of manganese in water. (A) Files (B) Algae (C) Micro-organisms (D) Mosquitoes

Last Answer : (C) Micro-organisms

What is biomagnifications? -SST 10th

Description : What is biomagnifications? -SST 10th

Last Answer : An important process by which chemicals can affect living organisms is bio-magnification. Many pesticides, such as DDT, aldrin and dihedron have a long lifetime in the environment. They get incorporated into ... can also be seen in the case of heavy metals like lead, mercury, cadmium, etc.

Which of the following metals contribute to to biomagnifications problem in the ecosystem? (1) Mercury (2) Chromium (3) (4) Copper (4) (4) Lead

Description : Which of the following metals contribute to to biomagnifications problem in the ecosystem? (1) Mercury (2) Chromium (3) (4) Copper (4) (4) Lead

Last Answer : (1) Mercury Explanation: Mercury causes biomagnification problem in the ecosystem.

Assertion : Diabetes insipidus iS marked by excessive urination and too much thirst for water . Reason : Anti-diuretic hormone (ADH) is secreted by th

Description : Assertion : Diabetes insipidus iS marked by excessive urination and too much thirst for water . Reason : Anti-diuretic hormone (ADH) is secreted by th

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Assertion : Diabetes insipidus is markee by excessive urination and too much thirst for water. Reason : Anti- diuretic hormone (ADH) is released by th

Description : Assertion : Diabetes insipidus is markee by excessive urination and too much thirst for water. Reason : Anti- diuretic hormone (ADH) is released by th

Last Answer : Assertion : Diabetes insipidus is markee by excessive urination and too much thirst for water. Reason : ... D. If both Assertion and Reason are false.

Assertion A. : Discharging the effluents from the oxidation ponds just up stream of lakes or reservoirs is undesirable. Reason (R) : The discharged algae get settled in the reservoirs and cause anaerobic decomposition and other water qualities. A. Both A and R are true and R is the correct explanation of A B. Both A and R are true but R is not a correct explanation of A C. A is true but R is false D. A is false but R is true

Description : Assertion A. : Discharging the effluents from the oxidation ponds just up stream of lakes or reservoirs is undesirable. Reason (R) : The discharged algae get settled in the reservoirs and cause anaerobic decomposition and other ... of A C. A is true but R is false D. A is false but R is true

Last Answer : ANS: A

Assertion : Smoking makes oxgyen less available to the body Reason : In presence `CO,O_2` binds less with haemoglobin.

Description : Assertion : Smoking makes oxgyen less available to the body Reason : In presence `CO,O_2` binds less with haemoglobin.

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_____ bacteria live as individuals and do not live in biofilms. a. Planktonic b. Anaerobic c. Aerobic d. Facultative anaerobic

Description : _____ bacteria live as individuals and do not live in biofilms. a. Planktonic b. Anaerobic c. Aerobic d. Facultative anaerobic

Last Answer : a. Planktonic

Scientific study of plant Pollen, spores and certain microscopic planktonic organism is called —

Description : Scientific study of plant Pollen, spores and certain microscopic planktonic organism is called —

Last Answer : Palynology

Which of the following factors most likely would heighten an auditor's concern about the risk of fraudulent financial reporting? a. Large amounts of liquid assets that are easily convertible into cash. b. Low growth and profitability as compared to other entity's in the same industry. c. Financial management's participation in the initial selection of accounting principles. d. An overly complex organizational structure involving unusual lines of authority.

Description : Which of the following factors most likely would heighten an auditor's concern about the risk of fraudulent financial reporting? a. Large amounts of liquid assets that are easily ... of accounting principles. d. An overly complex organizational structure involving unusual lines of authority.

Last Answer : An overly complex organizational structure involving unusual lines of authority.

Minerals known to be required in large amounts for plant growth include (a) potassium, phosphorus, selenium, boron (b) magnesium, sulphur, iron, zinc (c) phosphorus, potassium, sulphur, calcium (d) calcium, magnesium, manganese, copper.

Description : Minerals known to be required in large amounts for plant growth include (a) potassium, phosphorus, selenium, boron (b) magnesium, sulphur, iron, zinc (c) phosphorus, potassium, sulphur, calcium (d) calcium, magnesium, manganese, copper.

Last Answer : (c) phosphorus, potassium, sulphur, calcium

What pushes people to pay excessive amounts of money for phones/other technology?

Description : What pushes people to pay excessive amounts of money for phones/other technology?

Last Answer : It's easy, perhaps tempting, to brush this sort of thing off as a status symbol. Sure it is for some. And some actually benefit through business associate respect that comes with such a thing. ... also wants a little taste of experiencing the best of what human creation can offer during his time.

Can sitting on the toilet for excessive amounts of time cause health issues?

Description : Can sitting on the toilet for excessive amounts of time cause health issues?

Last Answer : There could be a reason while you have to sit for so long on a toilet. See your doctor. One danger is that pressure from the toilet seat on the back of your legs could restrict blood flow and a deep vein thrombosis is possible to form.

Continued intake of excessive amounts of vitamin A especially in children produces (A) Irritability (B) Anorexia (C) Headache (D) All of these

Description : Continued intake of excessive amounts of vitamin A especially in children produces (A) Irritability (B) Anorexia (C) Headache (D) All of these

Last Answer : Answer : D

Increasing evidence has implicated gram-negative bacterial lipopolysaccharide (LPS endotoxin) as the portion of the gram-negative bacterial cell membrane responsible for many, if not all the toxic effects that occur during gram-negative bacterial sepsis. The following statement(s) is/are true concerning LPS and the host response. a. The LPS molecule can in itself cause physiologic responses similar to that seen during gram-negative bacterial sepsis b. LPS triggers host macrophages to release a variety of cytokines including TNF-a, IL-1a, and IL-1b, IL-6, and IFN-a c. Excessive cytokine production is not associated with detrimental consequences d. TNFa and IL-1b appear to be the primary mediators within the host, exerting deleterious effects on the host when excessive amounts reach the syst

Description : Increasing evidence has implicated gram-negative bacterial lipopolysaccharide (LPS endotoxin) as the portion of the gram-negative bacterial cell membrane responsible for many, if not all the ... host, exerting deleterious effects on the host when excessive amounts reach the systemic circulation

Last Answer : Answer: a, b, d The LPS molecule exerts diverse effects on the mammalian host. Immunologic responses to LPS include nonspecific polyclonal B-cell proliferation, macrophage activation and ... deleterious effects on the host only after large amounts are secreted and reach the systemic circulation

Which of the following leads to under-capitalization? A. raising of more money by issue of shares. B. acquiring fixed assets on excessive amounts. C. over-estimation of earnings for enterprise. D. under-estimation of initial rate of earnings.

Description : Which of the following leads to under-capitalization? A. raising of more money by issue of shares. B. acquiring fixed assets on excessive amounts. C. over-estimation of earnings for enterprise. D. under-estimation of initial rate of earnings.

Last Answer : D. under-estimation of initial rate of earnings.

Which of the following leads to over-capitalization? A. acquiring fixed assets on excessive amounts. B. under-estimation of initial rate of earnings. C. using lower-rate of capitalization. D. under estimation of required funds.

Description : Which of the following leads to over-capitalization? A. acquiring fixed assets on excessive amounts. B. under-estimation of initial rate of earnings. C. using lower-rate of capitalization. D. under estimation of required funds.

Last Answer : A. acquiring fixed assets on excessive amounts.

Fluorosis is caused due to the presence of excessive amount of __________ in drinking water. (A) Mercury (B) Lead (C) Fluoride (D) Arsenic

Description : Fluorosis is caused due to the presence of excessive amount of __________ in drinking water. (A) Mercury (B) Lead (C) Fluoride (D) Arsenic

Last Answer : (C) Fluoride

The bluish colour of water in deep sea is due to (a) The presence of algae and other plants found in water (b) Reflection of sky in water (c) Scattering of light (d) Absorbtion of light by sea

Description : The bluish colour of water in deep sea is due to (a) The presence of algae and other plants found in water (b) Reflection of sky in water (c) Scattering of light (d) Absorbtion of light by sea

Last Answer : (c) Scattering of light

Consider the following statements. The role of the gravel bed in a rapid sand filter is : 1. To filter out large suspended matter 2. To support the sand bed above it 3. To prevent the escape of sand particles 4. To uniformly distribute the backwash water 5. To prevent algae growth Which of the following statements are correct ? a) 1, 2, 3, 4 and 5 b) 2, 3 and 4 only c) 3, 4 and 5 only d) 1, 2 and 3 only

Description : Consider the following statements. The role of the gravel bed in a rapid sand filter is : 1. To filter out large suspended matter 2. To support the sand bed above it 3. To prevent the escape of sand particles 4. To uniformly ... and 5 b) 2, 3 and 4 only c) 3, 4 and 5 only d) 1, 2 and 3 only

Last Answer : b) 2, 3 and 4 only

The brownish colour of Brown Algae is due to presence of ...... pigment?

Description : The brownish colour of Brown Algae is  due to presence of ...... pigment?

Last Answer : Xanthophyll

The presence of 20 or more genera of algae in a water body is an indication of high organic pollution. It is

Description : The presence of 20 or more genera of algae in a water body is an indication of high organic pollution. It is

Last Answer : The presence of 20 or more genera of algae in a water body is an indication of high organic ... index C. Pollution index D. Algal genus index

Assertion: Reaction of `SO_(2)` and `H_(2)S` in the presence of `Fe_(2)O_(3)` catalyst gives elemental sulphur. Reason: `SO_(2)` is a reducing agent.

Description : Assertion: Reaction of `SO_(2)` and `H_(2)S` in the presence of `Fe_(2)O_(3)` catalyst gives elemental sulphur. Reason: `SO_(2)` is a reducing agent.

Last Answer : Assertion: Reaction of `SO_(2)` and `H_(2)S` in the presence of `Fe_(2)O_(3)` catalyst gives ... is False. D. If both Assertion & Reason are False.

Assertion : Presence of zona pallucida over the fertilized ovum prevents ectopic pregnancy . Reason : Zona pellucida helps the ovum to penetrate endom

Description : Assertion : Presence of zona pallucida over the fertilized ovum prevents ectopic pregnancy . Reason : Zona pellucida helps the ovum to penetrate endom

Last Answer : Assertion : Presence of zona pallucida over the fertilized ovum prevents ectopic pregnancy . Reason : Zona ... . If both Assertion & Reason are False.

Assertion: Pregnant women may show some presence of glucose in their postprandial urine although they have no diabetes. Reason: In pregnant women the

Description : Assertion: Pregnant women may show some presence of glucose in their postprandial urine although they have no diabetes. Reason: In pregnant women the

Last Answer : Assertion: Pregnant women may show some presence of glucose in their postprandial urine although they ... D. If both Assertion and Reason are false

Assertion : In presence of ozone, mercury loses its meniscus and sticks to glasses. This is called tailing of mercury Reason: Tailing of mercury is du

Description : Assertion : In presence of ozone, mercury loses its meniscus and sticks to glasses. This is called tailing of mercury Reason: Tailing of mercury is du

Last Answer : Assertion : In presence of ozone, mercury loses its meniscus and sticks to glasses. This is called ... -I is not correct and Statement-II is correct

Assertion` :` In open circulatory system blood is pumped by heart passes throgh large vessels into open spaces or body cavities called sinuses. Reason

Description : Assertion` :` In open circulatory system blood is pumped by heart passes throgh large vessels into open spaces or body cavities called sinuses. Reason

Last Answer : Assertion` :` In open circulatory system blood is pumped by heart passes throgh large vessels into open ... D. If both Assertion & Reason are false.

The process of increase in the growth of algae in water bodies due to increase of phosphorous is called

Description : The process of increase in the growth of algae in water bodies due to increase of phosphorous is called

Last Answer : eutrophication.

Acromegaly results due to excessive release of (A) Thyroxine (B) Growth hormone (C) Insulin (D) Glucagon

Description : Acromegaly results due to excessive release of (A) Thyroxine (B) Growth hormone (C) Insulin (D) Glucagon

Last Answer : Answer : B

Assertion: Algal blooms occure in nutrient poor water. Reason: Algal blooms make water unfit for human consumption but cause enormous growth of fish.

Description : Assertion: Algal blooms occure in nutrient poor water. Reason: Algal blooms make water unfit for human consumption but cause enormous growth of fish.

Last Answer : Assertion: Algal blooms occure in nutrient poor water. Reason: Algal blooms make water unfit for human ... true but reason is wrong D. both are wrong

Why would people steal large amounts of body wash and soap?

Description : Why would people steal large amounts of body wash and soap?

Last Answer : B O

Arsenic concentration has been on an increase in the ground water of certain areas in Bihar and West Bengal due to: 1. acid rain 2. excessive pumping of ground water 3. industrial pollution 4. leaching of agricultural land The correct causes may be: (a) 1 and 2 only (b) 1, 3 and 4 only (c) 1, 2, 3 and 4 (d) 1, 2 and 3 only

Description : Arsenic concentration has been on an increase in the ground water of certain areas in Bihar and West Bengal due to: 1. acid rain 2. excessive pumping of ground water 3. industrial pollution 4. leaching of agricultural land The correct ... ) 1, 3 and 4 only (c) 1, 2, 3 and 4 (d) 1, 2 and 3 only

Last Answer : Ans:(a)

Two or more species coexist in a place due to the reason a). Different nutritional requirement b). Different causes of mortality c). Different time demand for growth factors d). All

Description : Two or more species coexist in a place due to the reason a). Different nutritional requirement b). Different causes of mortality c). Different time demand for growth factors d). All

Last Answer : d). All

Assertion: Epstein - Barr virus is an oncovirus. Reason: It stimulates the growth of cancer.

Description : Assertion: Epstein - Barr virus is an oncovirus. Reason: It stimulates the growth of cancer.

Last Answer : Assertion: Epstein - Barr virus is an oncovirus. Reason: It stimulates the growth of cancer. A. If ... D. If both the assertion and reason are false

Assertion : In stem, pericycle take active part in secondary growth. Reason : In dicots, pericycle has the capacity to produce lateral roots.

Description : Assertion : In stem, pericycle take active part in secondary growth. Reason : In dicots, pericycle has the capacity to produce lateral roots.

Last Answer : Assertion : In stem, pericycle take active part in secondary growth. Reason : In dicots, pericycle has ... D. If both assertion and reason are false.

Assertion : Ginger has a prostrate-growing rhizome Reason : Shoot growth is not effected by gravity.

Description : Assertion : Ginger has a prostrate-growing rhizome Reason : Shoot growth is not effected by gravity.

Last Answer : Assertion : Ginger has a prostrate-growing rhizome Reason : Shoot growth is not effected by gravity. ... If both the assertion and reason are false.

Assertion :- Cell growth results into division Reason :- Cell growth leads to change in nucleocytoplasmic ratio.

Description : Assertion :- Cell growth results into division Reason :- Cell growth leads to change in nucleocytoplasmic ratio.

Last Answer : Assertion :- Cell growth results into division Reason :- Cell growth leads to change in nucleocytoplasmic ... D. If both Assertion & Reason are false.

Assertion: Under unlimited resource conditions, popultion can show an exponential growth curve. Reason: The maximum possible number of individuals can

Description : Assertion: Under unlimited resource conditions, popultion can show an exponential growth curve. Reason: The maximum possible number of individuals can

Last Answer : Assertion: Under unlimited resource conditions, popultion can show an exponential growth curve. Reason: The ... Reason are false, then mark (4).

Assertion (A). Industrial policy 1991 initiated liberalisation of Indian economy. Reason (R). Industrial growth was very slow before 1991. A. Both (A) and (R) are true and (R) is the correct explanation of (A). B. Both (A) and (R) are true but (R) is not the correct explanation of (A). C. (A) is true but (R) is false. D. (A) is false but (R) is true.

Description : Assertion (A). Industrial policy 1991 initiated liberalisation of Indian economy. Reason (R). Industrial growth was very slow before 1991. A. Both (A) and (R) are true and (R) is the correct explanation of (A). B. Both (A) ... A). C. (A) is true but (R) is false. D. (A) is false but (R) is true.

Last Answer : A. Both (A) and (R) are true and (R) is the correct explanation of (A). B. Both

A capacitor discolored due to excessive heat should be _____________. A. calibrated using a capactance wheatstone bridge B. replaced and the reason for the overheating found C. cooled with a spray can of refrigerant approved for this purpose D. resoldered with care taken to insure that the origional cold solder joint is repaired

Description : A capacitor discolored due to excessive heat should be _____________. A. calibrated using a capactance wheatstone bridge B. replaced and the reason for the overheating found C. cooled with a spray ... purpose D. resoldered with care taken to insure that the origional cold solder joint is repaired

Last Answer : Answer: B

Thermal pollution due to excessive heat & temperature in the working place causes (A) Reduction in working efficiency of manpower (B) Fatigue (C) High breathing rate (D) All (A), (B) & (C)

Description : Thermal pollution due to excessive heat & temperature in the working place causes (A) Reduction in working efficiency of manpower (B) Fatigue (C) High breathing rate (D) All (A), (B) & (C)

Last Answer : (D) All (A), (B) & (C)

Presence of soluble organics in polluted water causes (A) Undesirable plants growth (B) Depletion of oxygen (C) Fire hazards (D) Explosion hazards

Description : Presence of soluble organics in polluted water causes (A) Undesirable plants growth (B) Depletion of oxygen (C) Fire hazards (D) Explosion hazards

Last Answer : (B) Depletion of oxygen

Presence of nitrogen and phosphorous in waste water discharged into lakes and ponds causes (A) Foaming(B) Odour nuisances(C) Undesirable plant growth(D) Turbidity

Description : Presence of nitrogen and phosphorous in waste water discharged into lakes and ponds causes (A) Foaming (B) Odour nuisances (C) Undesirable plant growth (D) Turbidity

Last Answer : (C) Undesirable plant growth