Hydroponics is a method of culture of plants without using – (1) water (2) light (3) sand (4) soil

Hydroponics is a method of culture of plants without using – (1) water (2) light (3) sand (4) soil
by

1 Answer

Answer :

(4) soil Explanation: Hydroponics is a method of growing plants using mineral nutrient solutions, in water, without soil. Plants are grown with their roots in the mineral nutrient solution only or in an inert medium, such as perlite, gravel, mineral wool, expanded clay pebbles or coconut husk.
by
selected

Related questions

Hydroponics is a method of culture of plants without using (1) water (2) light (3) sand (4) soil

Description : Hydroponics is a method of culture of plants without using (1) water (2) light (3) sand (4) soil

Last Answer : soil

$ The phenomenon of soil-less culture of plants is called Hydroponics. ! Donnan equilibrium is due to fixed ions in the cells

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.

A large number of identical plants can be obtained in a short span of time through - (1) large number of seeds of a single plant (2) stern cuttings (3) tissue culture technique (4) hydroponics method

Description : A large number of identical plants can be obtained in a short span of time through - (1) large number of seeds of a single plant (2) stern cuttings (3) tissue culture technique (4) hydroponics method

Last Answer : (3) tissue culture technique Explanation: Plant tissue culture is a collection of techniques used to maintain or grow plant cells, tissues or organs under sterile conditions on a nutrient culture medium ... hormones, which causes the plant part to grow at very rapid rates to produce new plantlets.

A large number of identical plants can be obtained in a short span of time through (1) large number of seeds of a single plant (2) stem cuttings (3) tissue culture technique (4) hydroponics method

Description : A large number of identical plants can be obtained in a short span of time through (1) large number of seeds of a single plant (2) stem cuttings (3) tissue culture technique (4) hydroponics method 

Last Answer : tissue culture technique

If instead of soil, flowing water is used in a specially designed greenhouse farms to grow plants, then this type of farming is known as? a. Hydroculture b. Pisciponics c. Hydroponics d. Aquaponics

Description : If instead of soil, flowing water is used in a specially designed greenhouse farms to grow plants, then this type of farming is known as? a. Hydroculture b. Pisciponics c. Hydroponics d. Aquaponics

Last Answer : c. Hydroponics

Study of growing plant without soil in water containing nutrient is- (a) Hydrotonics (b) Hydroponics (c) Hypotonics (d) None

Description : Study of growing plant without soil in water containing nutrient is- (a) Hydrotonics (b) Hydroponics (c) Hypotonics (d) None

Last Answer : (b) Hydroponics 

Proof that plants can grow and reproduce using onl inorganic nutrients comes from the study of: a) phototrophic nutrition b) mycorrhiza c) hydroponics d) humus

Description : Proof that plants can grow and reproduce using onl inorganic nutrients comes from the study of: a) phototrophic nutrition b) mycorrhiza c) hydroponics d) humus

Last Answer : ANSWER: C -- HYDROPONICS

Hydroponics is the technique of cultivation of crops in—- a. Water b. Soil c. Air d. None of these

Description : Hydroponics is the technique of cultivation of crops in—- a. Water b. Soil c. Air d. None of these

Last Answer : a. Water

Hydroponics is the technique of cultivation of crops in—- a. Water b. Soil c. Air d. None of these

Description : Hydroponics is the technique of cultivation of crops in—- a. Water b. Soil c. Air d. None of these

Last Answer : a. Water

Plant that grow on extremely dry soil are classified under : (A)Thalophytes (B) Hydrophytes (C)Xerophytes (D) Hydroponics

Description : Plant that grow on extremely dry soil are classified under : (A)Thalophytes (B) Hydrophytes (C)Xerophytes (D) Hydroponics

Last Answer : (A)Thalophytes

Plant that grow on extremely dry soil are classified under : (A)Thalophytes (B) Hydrophytes (C)Xerophytes (D) Hydroponics

Description : Plant that grow on extremely dry soil are classified under : (A)Thalophytes (B) Hydrophytes (C)Xerophytes (D) Hydroponics

Last Answer : (A)Thalophytes

Hydroponics is a method of

Description : Hydroponics is a method of

Last Answer : growth of plants in liquid culture medium

Can we grow higher plants through Hydroponics? -Biology

Description : Can we grow higher plants through Hydroponics? -Biology

Last Answer : answer:

Hydroponics is growing plants in

Description : Hydroponics is growing plants in

Last Answer : Hydroponics is growing plants in A. Laboratory B. Phytotron C. Liquid culture medium D. Solid culture medium

What is the disadvantage of growing plants by hydroponics?

Description : What is the disadvantage of growing plants by hydroponics?

Last Answer : The main disadvantage growing plats by hydroponics is that it leads to rapid plant death.

Mention the advantages of growing plants by hydroponics.

Description : Mention the advantages of growing plants by hydroponics.

Last Answer : a) Soil is not required. b) Water requirement is less. c) Yields are stable and high. d) There will no weeds to remove. e) Plants grow healthier.

How are plants grown by hydroponics?

Description : How are plants grown by hydroponics?

Last Answer : In hydroponics, terrestrial plants are grown by immersing their roots in nutrient solution in specially designed containers.

For proper field control, which of the following methods is best suited for quick determination of water content of a soil mass? (A) Oven drying method (B) Sand bath method (C) Alcohol method (D) Calcium carbide method

Description : For proper field control, which of the following methods is best suited for quick determination of water content of a soil mass? (A) Oven drying method (B) Sand bath method (C) Alcohol method (D) Calcium carbide method

Last Answer : Answer: Option D

Which of the following methods is most accurate for the determination of the water content of soil? (A) Oven drying method (B) Sand bath method (C) Calcium carbide method (D) Pycnometer method

Description : Which of the following methods is most accurate for the determination of the water content of soil? (A) Oven drying method (B) Sand bath method (C) Calcium carbide method (D) Pycnometer method

Last Answer : Option A

The field density and field moisture content of a soil can be determined by 1. Core cutter method 2. Sand replacement method 3. Proctor compaction test 4. Modified proctor compaction test (a) 1, 2, 3 & 4 (b) 1 & 2 only (c) 2 & 3 only (d) 2 & 4 only

Description : The field density and field moisture content of a soil can be determined by 1. Core cutter method 2. Sand replacement method 3. Proctor compaction test 4. Modified proctor compaction test (a) 1, 2, 3 & 4 (b) 1 & 2 only (c) 2 & 3 only (d) 2 & 4 only

Last Answer : (b) 1 & 2 only

In hydroponic system plants are grown in a. Water b. Soil c. Sand d. Gravels

Description : In hydroponic system plants are grown in a. Water b. Soil c. Sand d. Gravels

Last Answer : Water

Can Arduino be used for building a smart hydroponics system?

Description : Can Arduino be used for building a smart hydroponics system?

Last Answer : Yes, Arduino can be used for building a smart hydroponics system by using sensors to measure various parameters such as water quality, pH, and nutrient levels, and by using actuators to ... systems, and by using communication modules to transmit data to a control system to optimize hydroponics.

What do you know about hydroponic nutrients, and hydroponics in general?

Description : What do you know about hydroponic nutrients, and hydroponics in general?

Last Answer : Maybe it needs longer to get over the shock of the transplant?

Whats the best indoor grow lights for hydroponics?

Description : Whats the best indoor grow lights for hydroponics?

Last Answer : What do you plan to grow with said hydroponics? An herb?

What is hydroponics farming? -Biology

Description : What is hydroponics farming? -Biology

Last Answer : answer:

What are the advantages and disadvantages of hydroponics farming? -Biology

Description : What are the advantages and disadvantages of hydroponics farming? -Biology

Last Answer : answer:

What do you mean by Hydroponics?

Description : What do you mean by Hydroponics?

Last Answer : Answer: Plant growth in liquid culture medium.

Why do we use hydroponics?

Description : Why do we use hydroponics?

Last Answer : Need answer

Why does hydroponics need oxygen?

Description : Why does hydroponics need oxygen?

Last Answer : Need answer

Why is the term ‘hydroponics’ used?

Description : Why is the term ‘hydroponics’ used?

Last Answer : – To describe cultivation of plants in water

Soilless agriculture refers to - (1) Hydroponics (2) Hygroponies (3) Sericulture (4) Inter-cropping

Description : Soilless agriculture refers to - (1) Hydroponics (2) Hygroponies (3) Sericulture (4) Inter-cropping

Last Answer : (1) Hydroponics Explanation: Hydroponics is a subset of hydroculture and is a method of growing plants using mineral nutrient solutions, in water, without soil. Terrestrial plants may be grown with their ... in an inert medium, such as perlite or gravel. Hydroponics is a subset of soilless culture.

Give reason: hydroponics and aeroponics methods are important for space research organisations

Description : Give reason: hydroponics and aeroponics methods are important for space research organisations

Last Answer : Hydroponics and aeroponics methods are significant for space research organizations in developing special kind of food for astronauts. Mist is easier to handle in zero gravity situations than liquids in zero gravity situations.

What is the principle of hydroponics?

Description : What is the principle of hydroponics?

Last Answer : Hydroponics is based in the principle that when the required mineral nutrients are directly introduced into the supply system of a plant artificially, soil is no longer required for a plant to survive.

What is hydroponics?

Description : What is hydroponics?

Last Answer : Hydroponics is the practice of growing plants in mineral nutrient solutions in water, without soil.

Growing of plant in soilness nutrient solution is referred as (a) Aeroponics (b) Hydroponics (c) Xeroponics (d) Thaloponics

Description : Growing of plant in soilness nutrient solution is referred as (a) Aeroponics (b) Hydroponics (c) Xeroponics (d) Thaloponics

Last Answer : (b) Hydroponics

Auxin can be bioassayed by (a) potometer (b) lettuce hypocotyl elongation (c) Avena coleoptile curvature (d) hydroponics.

Description : Auxin can be bioassayed by (a) potometer (b) lettuce hypocotyl elongation (c) Avena coleoptile curvature (d) hydroponics.

Last Answer : (c) Avena coleoptile curvature

Soilless agriculture refers to (1) Hydroponics (2) Hygroponics (3) Sericulture (4) Inter–cropping

Description : Soilless agriculture refers to (1) Hydroponics (2) Hygroponics (3) Sericulture (4) Inter–cropping

Last Answer : Hydroponics

In order to obtain virus-free plants through tissue culture the best method is (a) meristem culture (b) protoplast culture (c) embryo rescue (d) anther culture.

Description : In order to obtain virus-free plants through tissue culture the best method is (a) meristem culture (b) protoplast culture (c) embryo rescue (d) anther culture.

Last Answer : (a) meristem culture

one way to get a pure culture is by using _____. a. Aseptic technique b. Pour-plate method c. Streak-plate method d. A and C e. B and C

Description : one way to get a pure culture is by using _____. a. Aseptic technique b. Pour-plate method c. Streak-plate method d. A and C e. B and C

Last Answer : d. A and C

Which one of the following is NOT part of the streak-plate method? a. Making four sets of streaks on a plate. b. Diluting a mixed culture in molten agar. c. Using a mixed culture. d. Using a sterilized loop.

Description : Which one of the following is NOT part of the streak-plate method? a. Making four sets of streaks on a plate. b. Diluting a mixed culture in molten agar. c. Using a mixed culture. d. Using a sterilized loop.

Last Answer : b. Diluting a mixed culture in molten agar.

While mixing sand, gravel, and cement for the foundation of a house, a worker noticed a small bird hopping along the top of the foundation wall. The bird misjudged a hop and fell down one of the holes between the blocks. The bird was down too far for anyone to reach it and the hole was too small for it to fly out of. Someone suggested using two sticks to reach down into the hole and pull the bird out, but this idea was rejected for fear it would injure the fragile bird. What would be the easiest way to get the bird out of the hole without injuring it? -Riddles

Description : While mixing sand, gravel, and cement for the foundation of a house, a worker noticed a small bird hopping along the top of the foundation wall. The bird misjudged a hop and fell down one of the holes ... . What would be the easiest way to get the bird out of the hole without injuring it? -Riddles

Last Answer : Since they had plenty of sand available, they could pour a little at a time into the hole. The bird would constantly keep shifting its position so that it stood on the rising sand.

the soil is primarily made of clay and it holds the water, can i add sand to the clay

Description : the soil is primarily made of clay and it holds the water, can i add sand to the clay

Last Answer : can you add some rocks under this to let it drain better...............some new dirt, sand mulch or tree bark and mix it up but some staggered rocks and build around the rocks. That's ... watered once or twice when I planted them. They were beautiful. Then I just picked off the dead flowers.

The weight of a pycnometer containing 400 g sand and water full to the top is 2150 g. The weight of pycnometer full of clean water is 1950 g. If specific gravity of the soil is 2.5, the water content is (A) 5 % (B) 10 % (C) 15 % (D) 20 %

Description : The weight of a pycnometer containing 400 g sand and water full to the top is 2150 g. The weight of pycnometer full of clean water is 1950 g. If specific gravity of the soil is 2.5, the water content is (A) 5 % (B) 10 % (C) 15 % (D) 20 %

Last Answer : (D) 20 %

Bearing capacity of soils cannot be improved by (A) Draining sub-soil water (B) Ramming crushed stone in soil (C) Driving sand piles (D) Watering surface of soil

Description : Bearing capacity of soils cannot be improved by (A) Draining sub-soil water (B) Ramming crushed stone in soil (C) Driving sand piles (D) Watering surface of soil

Last Answer : Answer: Option D

Quicksand is a) Moist sand containing a small percentage of clay b) Is a condition which generally occurs in coarse sands c) Is a condition in which cohesive properties of soil increase rapidly d) Is a condition in which a cohesion less soil loses its strength because of upward flow of water

Description : Quicksand is a) Moist sand containing a small percentage of clay b) Is a condition which generally occurs in coarse sands c) Is a condition in which cohesive properties of soil increase rapidly d) Is a condition in which a cohesion less soil loses its strength because of upward flow of water

Last Answer : d) Is a condition in which a cohesion less soil loses its strength because of upward flow of water

Accurate determination of water content, is made by (A) Calcium carbide method (B) Sand bath method (C) Alcohol method (D) Oven-drying method

Description : Accurate determination of water content, is made by (A) Calcium carbide method (B) Sand bath method (C) Alcohol method (D) Oven-drying method

Last Answer : (D) Oven-drying method

What is the percentage of sand in the loamy soil ?

Last Answer : : 40 percent of the particles.

Are sand and potting soil both mixture?

Description : Are sand and potting soil both mixture?

Last Answer : well yes they are if you read in your science book you will find out why

What was the blue sand and sticky soil that one group of miners including a man named Henry Comstock discovered in Nevada?

Description : What was the blue sand and sticky soil that one group of miners including a man named Henry Comstock discovered in Nevada?

Last Answer : Feel Free to Answer

What material holds heat longer soil sand or rock?

Description : What material holds heat longer soil sand or rock?

Last Answer : Feel Free to Answer