Which of the Following Is Not Required for Plant Growth

Other than these essential mineral nutrients plants also absorb a number of non-essential minerals elements. Long day plants flower when nights are under 12 hours long.

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Which of the following is NOT a plant adaptation to water shortages.

. Smooth and light pollen grains. The important criteria for an essential element are as follows. Ii This element is always specific and cannot be replaced by any other element.

Water helps give structure to the plant. Day neutral flowering is unaffected by photo period. View the full answer.

Standard Eight pupils carried out experiments to find out the conditions necessary for germination. Environmental factors that affect plant growth include light temperature water humidity and nutrition. These are non-essential elements in plant growth.

The other 14 essential elements are split into two groupssoil-derived macronutrients and soil-derived micronutrients. What is the main function of the flower of a plant. Hydrogen H and oxygen O.

Light also encourages flowering and fruiting. Have a glance at the MCQ of Chapter 1 Science Class 7 and cross-check your answers during preparation. However with limited nutrient supply the gr owth.

In short magnesium is required to give leaves their green color. Stigmas which hand out of the flower. I This element is absolutely necessary for supporting normal growth and reproduction of plant.

100 1 rating Answer- Radon Explanation- Exce. A carbon b oxygen c water d sunlight e radon. The 17 essential minerals are divided into two groups macronutrients like carbon hydrogen nitrogen etc and micronutrients like copper iron molybdenum etc depending the quantity required.

Water cools the plant. The soil does not need to provide these nutrients so they are not sold as fertilizers. Magnesium is the powerhouse behind photosynthesis in plants.

These are non-essential elements in plant growth. Chlorosis is a yellowing of the leaves produced by a lack of chlorophyll due to a lack of the elements N K Mg S Fe Mn Zn and Mo. Only a few elements are essential for plant growth and are known as essential elements such as phosphorus calcium sulphur oxygen nitrogen etc.

It should never be applied to frozen grounds D. Cobalt is categorised as a beneficial elementbut not an essential element. These minerals are non-essential and are hence not required for.

Without magnesium chlorophyll cannot capture sun energy needed for photosynthesis. The intensity of light quality of light and light duration influence the movement of stomata chlorophyll synthesis photosynthesis and various other physiological factors. Which of the following is NOT true about fertilizer.

Colour of the flower. B Nutrients are required by plants for the synthesis of protoplasm and act as source of energy. Required by plants for the synthesis of protoplasm and act as source of energy.

Plants take carbon dioxide from. C Light and gravity affect certain stages of growth. Iron is a relatively immobile plant nutrient and lack of this leads to yellowing in newly formed leaves because the new leaves did not get sufficient iron.

In other cases environmental stress weakens a plant and makes it more susceptible to disease or insect attack. It replaces crop land nutrients which have been depleted. This split is based on the actual amount of nutrient required for adequate plant growth.

Limited light or the absence of it greatly affects the growth of the plant. Both the progeny cells following mitotic cell division retain the ability to divide and continue to do so. Water enters through the root system and carries nutrients throughout the plant.

Iii This element is directly involved in the metabolism of the plant. Increase in aerial growth. It is important to understand how.

Other minerals are called micro-minerals required in lesser quantity such as Zinc sulphur Mg Mn Ca Cu Fe etc. Chlorosis necrosis stunted plant growth premature fall of leaves and buds and suppression of cell division are examples of deficient symptoms seen in plants. Nitrogen phosphorus and potassium are the macro-minerals required by plants.

Which of the following is NOT a main ingredient in fertilizer bags. For example a plant that is kept in. It is required for plant growth.

Short day plants flower when nights are over 12 hours long. Which group of element is not essential for a normal plant CPMT 1975 77 84. Nitrogen is so vital because it is a major component of chlorophyll the.

Lead iodine and sodium are usually not required by the plant for their growth. Which one of the following characteristics of a maize plant DOES NOT help its pollination. Question- Which of the following statement is not correct about the conditions for plant growth.

An essential nutrient required by the plant in large amounts is called a macronutrient while one required in very small amounts is termed a micronutrient. A Oxygen helps in releasing metabolic energy essential for growth activities. If a plant doesnt have one of these requirements it could affect its growth or even die.

JIPMER 1985 A Potassium calcium magnesium done clear. Which of the following is not required for plant growth. It is required for plant growth B.

Plants need air light warmth water and nutrients to be healthy. Missing or inadequate supplies of nutrients adversely affect plant growth leading to stunted. Keys to successful watering.

Plant growth is unique because plants retain the capacity for unlimited. Magnesium in plants is located in the enzymes in the heart of the chlorophyll molecule. Calcium and magnesium are macronutrients required by plants.

Lead is not required by plants for their normal healthy growth. Iron is a micronutrient required by plants. Pitcher plant is the plant which traps and feeds on insects.

Both macro and micronutrients are essential for healthy growth of the plant. It can be applied by irrigation systems C. For the growth of higher plants.

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