Sabita Anand

Ashok0210

Asked: February 19, 2021In: Class 12 Physics

A regular hexagon of side 10 cm has a charge 5 μC at each of its vertices. Calculate the potential at the centre of the hexagon.

Class 12 Physics,CBSE and UP Board,Electrostatic Potential and Capacitance,Chapter-2 Exercise 2.2,NCERT Solutions for Class 12 Physics

Ashok0210

Asked: February 19, 2021In: Class 12 Physics

Two charges 5 × 10^–8 C and –3 × 10^–8 C are located 16 cm apart. At what point(s) on the line joining the two charges is the electric potential zero? Take the potential at infinity to be zero.

Class 12 Physics ,CBSE and UP Board ,Electrostatic Potential and Capacitance,Chapter-2 Exercise 2.1,NCERT Solutions for Class 12 Physics

Yastika

Asked: February 18, 2021In: Class 11 Biology

What are the steps involved in formation of a root nodule?

NCERT Solutions for Class 11 Biology Chapter 12 Mineral Nutrition Important Board Questions Mineral Nutrition NCERT Books for Session 2022-2023 CBSE Board and UP Board Question : 9

Yastika

Asked: February 18, 2021In: Class 11 Biology

What are the conditions necessary for fixation of atmospheric nitrogen by Rhizobium. What is their role in N₂ -fixation?

NCERT Solutions for Class 11 Biology Chapter 12 Mineral Nutrition Important Board Questions Mineral Nutrition NCERT Books for Session 2022-2023 CBSE Board and UP Board Question : 8

Yastika

Asked: February 18, 2021In: Class 11 Biology

How are the minerals absorbed by the plants?

NCERT Solutions for Class 11 Biology Chapter 12 Mineral Nutrition Important Board Questions Mineral Nutrition NCERT Books for Session 2022-2023 CBSE Board and UP Board Question : 7

Yastika

Asked: February 18, 2021In: Class 11 Biology

Why is that in certain plants deficiency symptoms appear first in younger parts of the plant while in others they do so in mature organs?

NCERT Solutions for Class 11 Biology Chapter 12 Mineral Nutrition Important Board Questions Mineral Nutrition NCERT Books for Session 2022-2023 CBSE Board and UP Board Question : 6

Yastika

Asked: February 18, 2021In: Class 11 Biology

If a plant shows a symptom which could develop due to deficiency of more than one nutrient, how would you find out experimentally, the real deficient mineral element?

NCERT Solutions for Class 11 Biology Chapter 12 Mineral Nutrition Important Board Questions Mineral Nutrition NCERT Books for Session 2022-2023 CBSE Board and UP Board Question : 5

Yastika

Asked: February 18, 2021In: Class 11 Biology

Name at least five different deficiency symptoms in plants. Describe them and correlate them with the concerned mineral deficiency.

NCERT Solutions for Class 11 Biology Chapter 12 Mineral Nutrition Important Board Questions Mineral Nutrition NCERT Books for Session 2022-2023 CBSE Board and UP Board Question : 4

Yastika

Asked: February 18, 2021In: Class 11 Biology

Explain with examples: macronutrients, micronutrients, beneficial nutrients, toxic elements and essential elements.

NCERT Solutions for Class 11 Biology Chapter 12 Mineral Nutrition Important Board Questions Mineral Nutrition NCERT Books for Session 2022-2023 CBSE Board and UP Board Question : 3

Yastika

Asked: February 18, 2021In: Class 11 Biology

“All elements that are present in a plant need not be essential to its survival”. Comment.

NCERT Solutions for Class 11 Biology Chapter 12 Mineral Nutrition Important Board Questions Mineral Nutrition NCERT Books for Session 2022-2023 CBSE Board and UP Board Question : 1

Sabita Anand

A regular hexagon of side 10 cm has a charge 5 μC at each of its vertices. Calculate the potential at the centre of the hexagon.

Two charges 5 × 10^–8 C and –3 × 10^–8 C are located 16 cm apart. At what point(s) on the line joining the two charges is the electric potential zero? Take the potential at infinity to be zero.

What are the steps involved in formation of a root nodule?

What are the conditions necessary for fixation of atmospheric nitrogen by Rhizobium. What is their role in N₂ -fixation?

How are the minerals absorbed by the plants?

Why is that in certain plants deficiency symptoms appear first in younger parts of the plant while in others they do so in mature organs?

If a plant shows a symptom which could develop due to deficiency of more than one nutrient, how would you find out experimentally, the real deficient mineral element?

Name at least five different deficiency symptoms in plants. Describe them and correlate them with the concerned mineral deficiency.

Explain with examples: macronutrients, micronutrients, beneficial nutrients, toxic elements and essential elements.

“All elements that are present in a plant need not be essential to its survival”. Comment.

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