Q1. How are fish obtained? -Science

1 Answer

Answer :

Fishes are obtained in two ways: Capture fishing: obtaining fishes from natural resources Culture Fishery: culturing of fishes in freshwater ecosystem like river, pond and lake also including marine.

Related questions

Description : Q1. Explain any one method of crop production which ensures high yield. -Science

Last Answer : Plant breeding is one of the method adopted for high yield plant breeding and is implemented to improve the varieties of crops by breeding plants. Plants from various places/areas are picked up ... or cross-breeding is done among these diversities to get a crop/plant of anticipated characteristic.

Description : Q1. What are the desirable characters of bee varieties suitable for honey production? -Science

Last Answer : The variety of bee should yield large amount of honey. The bees should stay for a longer period in bee hives The bees should not sting much. Bee should be disease resistant.

Description : Q1. What management practices are common in dairy and poultry farming? -Science

Last Answer : Well-designed Hygienic shelter for dairy animals and poultry birds. Good quality proper food and fodder are provided to dairy animals and poultry birds. Importance for animal health by prevention ... caused by bacteria, virus, or fungi. Sunlight feasible and airy ventilated shelter for animals

Description : Q1. Which method is commonly used for improving cattle breeds and why? -Science

Last Answer : Cross breading is generally the best method adopted for improving the cattle breed quality. In this method, breeding is between two good cattle breed results in a new improved variety of cattle ... , care is taken to have a good resultant with high yield having resistance to climatic conditions.

Description : Q1. Why should preventive measures and biological control methods be preferred for protecting crops? -Science

Last Answer : Over exposure of chemicals leads to environmental problems hence, biological methods are preferred for protecting crops from pathogens, insects and rodents along with increasing the production. Since chemicals are ... feed on it, hence bio-pesticides are used as the safe way of crop protection.

Description : Q1. What are macro-nutrients and why are they called macronutrients? -Science

Last Answer : Macro-nutrients are the fundamental elements that are used by plants in more quantity. Macro-nutrients needed by the plants are: • Macro-nutrients as the constituent of protoplasm ... proteins • Calcium is existing in cell wall • Magnesium is significant component of chlorophyll

Description : Q1. Compare the use of manure and fertilizers in maintaining soil fertility. -Science

Last Answer : Manure improves the soil quality with added nutrients. Manure provides extra organic matter called humus to the soil and therefore increasing the water retention capacity of sandy soils and drainage in clayey ... do not get oxygen properly. The nature of soil changes either to basic or acidic.

Description : Q1. How do biotic and abiotic factors affect crop production? -Science

Last Answer : 2 major factors that affect the crop are: Biotic factors like insects, rodents, pests, and many more spread the disease and reduce crop production. Abiotic factors like humidity, temperature, moisture, wind, rain, flood and many more destroy the crop raised.

Description : Q1. What do we get from cereals, pulses, fruits and vegetables? -Science

Last Answer : Cereals are the source of carbohydrate and is main reason of energy. Pulses provide protein for growth and development Vegetables and fruits are loaded with minerals, vitamins, carbohydrates, proteins and fats for overall development.

Description : The component labeled 'CR1' in the circuit shown in the illustration __________________. EL-0085 A. varies its anode/cathode polarity depending on 'RL' current B. rectifies the varying voltage from the ... reactance to smooth ripple D. establishes a constant reference voltage for the base of 'Q1'

Last Answer : Answer: D

Description : For a charge Q1, the effect of charge Q2 on Q1 will be, a) F1 = F2 b) F1 = -F2 c) F1 = F2 = 0 d) F1 and F2 are not equal

Last Answer : b) F1 = -F2

Description : Find out the price elasticity in the following example : Price Demand 5(P1) 10(Q1) 4(P2) 15(Q2) (a) – 2.5 (b) + 3.5 (c) + 4.0 (d) + 2.5

Last Answer : (a) – 2.5

Description : . What components form the load for Q1?

Last Answer : C5 and the primary of T2.

Description : What component(s) is/are used for high-frequency compensation for Q1?

Last Answer : L1, L2, and R5.

Description : A, when there is an increase in the input voltage, the forward bias of Q1 increases/decreases (which one).

Last Answer : Increases.

Description : the voltage drop across RS and R1 determines the amount of base-emitter ____ for Q1.

Last Answer : Bias.

Description : Guidelines on impurities in drug substances and drug products is given in _____ guidelines? A. ICH Q1 B. ICH Q2 C. ICH Q3 D. ICH Q4

Last Answer : B. ICH Q2

Description : The guidelines that describe the stability testing of drug substances and drug products are? A. ICH Q2 B. ICH Q1 C. ICH Q8 D. ICH Q9

Last Answer : B. ICH Q1

Description : Q1.Seminal plasma, the fluid part of semen, is contributed by: i) Seminal vesicle ii) Prostate gland iii) Urethra iv) Bulbourethral gland.

Last Answer : (b) i , ii and iv

Description : Q1.Seminal plasma, the fluid part of semen, is contributed by: i) Seminal vesicle ii) Prostate gland iii) Urethra iv) Bulbourethral gland. a. I and ii b. I,ii and iv c. ii,Iii and iv d. I and iv.

Last Answer : (b) i , ii and iv

Description : What are the final values of Q1 and Q0 after 4 clock cycles, if initial values are 00 in the sequential circuit shown below: (A) 11 (B) 10 (C) 01 (D) 00

Last Answer : (D) 00

Description : The transition function for the language L = {w|na(w) and nb(w) are both odd} is given by: δ(q0, a)=q1 ; δ(q0, b)=q2 δ(q1, a)=q0 ; δ(q1, b)=q3 δ(q2, a)=q3 ; δ(q2, b ... the automata are: (A) q0 and q0 respectively (B) q0 and q1 respectively (C) q0 and q2 respectively (D) q0 and q3 respectively 

Last Answer : (D) q0 and q3 respectively

Description : Do you think that knowledge obtained by human science or natural science is more biased?

Last Answer : I don’t really know what you mean by natural science vs human science. All sciences are humans studying natural occurrances, so how would they be two different things?

Description : _______ acid is found in fruits obtained from plants. -Science-7

Last Answer : Tartaric Acid is found in fruits obtained from plants.

Description : Paheli wanted to buy a gift made of animal fibre obtained without killing the animal. Which of the following would be the right gift for her to buy? -Science-7

Last Answer : Woollen shawl

Description : Name the source from which litmus solution is obtained. -Science-7

Last Answer : Litmus solution is obtained from Lichens

Description : In a class test, the sum of marks obtained by P in Mathematics and Science is 28. Had he got 3 more marks in Mathematics and 4 marks less in Science, the product of marks obtained in the two subjects would have been 180? Find the marks obtained in two subjects separately. -Maths 10th

Last Answer : Let P has obtained x in mathematics and y in science. Then by the problem, x+y=28.......(1). If P would have got 3 marks more in mathematics, then P would have got (x+3) in mathematics ... P obtained 12 marks in mathematics and 16 in science. or, P obtained 9 marks in mathematics and 19 in science.

Description : The average marks obtained by a student in Tamil, english, maths, science, and social together is 65% above the average mark obtained in maths and science together. How many more marks exceeded by the average of ... of the tamil and english together? A) 50 B) 65 C) Data insufficient D) None of these

Last Answer : C) According to the question  There is no other information about the marks in any one of the subject. The data gives is insufficient to answer the question.

Description : In an exam the average marks obtained by a candidate is 82 per paper. If he had obtained 32 marks more in science paper & 28more marks in social paper, then his average per paper is increased by 15 marks. Then how many papers when there in examination? A) 10 B) 6 C) 4 D) 8 

Last Answer : C)  let the number of paper be x total mark earned him = 82x then,, 82x+32+28= 97x 15x=60 x= 4 =number of subjects

Description : In a post graduate examination the marks obtained by a student is 75 per paper. If he had obtained 33 marks more in Evs paper & 27 more marks in science paper, then his average per paper is increased by 3 marks. Then how many papers were there in exam? A) 10 B) 12 C) 14 D) 20

Last Answer : Answer: D)  Let the number of paper be A. Then total marks earned him = 75A from questions, 75A + 33+ 27= 78A 3A = 60=> A=20 = number of subjects

Description : Q2. What are the advantages of composite fish culture? -Science

Last Answer : Advantages of composite fish culture are: In a single fish pond, a combination of 5 or 6 types of fish species can be cultured since they do not compete for food among them. Food resource can be completely utilized Survival of the fish also increases More yield

Description : What is the name of the science related to fish farming ?

Last Answer : : The name of the science related to fish farming is Pisciculture .

Description : What is the name of the science related to fish ?

Last Answer : answer : Ichthyology .