Sabita Anand

Idhika

Asked: February 21, 2021In: Class 11 Biology

Why is the colour of a leaf kept in the dark frequently yellow, or pale green? Which pigment do you think is more stable?

NCERT Solutions for Class 11 Biology Chapter 13 Photosynthesis in Higher Plants Important Board Questions Photosynthesis in Higher Plants NCERT Books for Session 2022-2023 CBSE Board and UP Board Question : 6

Idhika

Asked: February 21, 2021In: Class 11 Biology

Suppose there were plants that had a high concentration of Chlorophyll-b, but lacked chlorophyll-a, would it carry out photosynthesis? Then why do plants have chlorophyll-b and other accessory pigments?

NCERT Solutions for Class 11 Biology Chapter 13 Photosynthesis in Higher Plants Important Board Questions Photosynthesis in Higher Plants NCERT Books for Session 2022-2023 CBSE Board and UP Board Question : 5

Idhika

Asked: February 21, 2021In: Class 11 Biology

RuBisCo is an enzyme that acts both as a carboxylase and oxygenase. Why do you think RuBisCo carries out more carboxylation in C₄ plants?

NCERT Solutions for Class 11 Biology Chapter 13 Photosynthesis in Higher Plants Important Board Questions Photosynthesis in Higher Plants NCERT Books for Session 2022-2023 CBSE Board and UP Board Question : 4

Insith

Asked: February 21, 2021In: Class 11 Biology

By looking at which internal structure of a plant can you tell whether a plant is C₃ or C₄? Explain.

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 : 2

Insith

Asked: February 21, 2021In: Class 11 Biology

By looking at a plant externally can you tell whether a plant is C₃ or C₄? Why and how?

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

Ashok0210

Asked: February 20, 2021In: Class 12 Physics

Two tiny spheres carrying charges 1.5 μC and 2.5 μC are located 30 cm apart. Find the potential and electric field: (a) at the mid-point of the line joining the two charges, and (b) at a point 10 cm from this midpoint in a plane normal to the line and passing through the mid-point.

Class 12 Physics, CBSE and UP Board, Electrostatic Potential and Capacitance, Additional Exercise,Chapter-2 Exercise 2.14, NCERT Solutions for Class 12 Physics

Ashok0210

Asked: February 20, 2021In: Class 12 Physics

A cube of side b has a charge q at each of its vertices. Determine the potential and electric field due to this charge array at the centre of the cube.

Class 12 Physics, CBSE and UP Board, Electrostatic Potential and Capacitance, Additional Exercise,Chapter-2 Exercise 2.13, NCERT Solutions for Class 12 Physics

Ashok0210

Asked: February 20, 2021In: Class 12 Physics

A charge of 8 mC is located at the origin. Calculate the work done in taking a small charge of –2 × 10⁻ 9 C from a point P (0, 0, 3 cm) to a point Q (0, 4 cm, 0), via a point R (0, 6 cm, 9 cm).

Class 12 Physics, CBSE and UP Board, Electrostatic Potential and Capacitance, Additional Exercise, Chapter-2 Exercise 2.12, NCERT Solutions for Class 12 Physics

Ashok0210

Asked: February 20, 2021In: Class 12 Physics

A 600pF capacitor is charged by a 200V supply. It is then disconnected from the supply and is connected to another uncharged 600 pF capacitor. How much electrostatic energy is lost in the process?

Class 12 Physics, CBSE and UP Board, Electrostatic Potential and Capacitance, Chapter-2 Exercise 2.11, NCERT Solutions for Class 12 Physics

Ashok0210

Asked: February 20, 2021In: Class 12 Physics

A 12pF capacitor is connected to a 50V battery. How much electrostatic energy is stored in the capacitor?

Class 12 Physics, CBSE and UP Board, Electrostatic Potential and Capacitance, Chapter-2 Exercise 2.10, NCERT Solutions for Class 12 Physics

Sabita Anand

Why is the colour of a leaf kept in the dark frequently yellow, or pale green? Which pigment do you think is more stable?

Suppose there were plants that had a high concentration of Chlorophyll-b, but lacked chlorophyll-a, would it carry out photosynthesis? Then why do plants have chlorophyll-b and other accessory pigments?

RuBisCo is an enzyme that acts both as a carboxylase and oxygenase. Why do you think RuBisCo carries out more carboxylation in C₄ plants?

By looking at which internal structure of a plant can you tell whether a plant is C₃ or C₄? Explain.

By looking at a plant externally can you tell whether a plant is C₃ or C₄? Why and how?

Two tiny spheres carrying charges 1.5 μC and 2.5 μC are located 30 cm apart. Find the potential and electric field: (a) at the mid-point of the line joining the two charges, and (b) at a point 10 cm from this midpoint in a plane normal to the line and passing through the mid-point.

A cube of side b has a charge q at each of its vertices. Determine the potential and electric field due to this charge array at the centre of the cube.

A charge of 8 mC is located at the origin. Calculate the work done in taking a small charge of –2 × 10⁻ 9 C from a point P (0, 0, 3 cm) to a point Q (0, 4 cm, 0), via a point R (0, 6 cm, 9 cm).

A 600pF capacitor is charged by a 200V supply. It is then disconnected from the supply and is connected to another uncharged 600 pF capacitor. How much electrostatic energy is lost in the process?

A 12pF capacitor is connected to a 50V battery. How much electrostatic energy is stored in the capacitor?

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