Tiwari Academy Discussion

Fairy

Asked: February 18, 2021In: Class 11 Biology

What are the characteristics of prokaryotic cells?

NCERT Solutions for Class 11 Biology Chapter 8 Cell: The Unit of Life Important Board Questions Cell: The Unit of Life NCERT Books for Session 2022-2023 CBSE Board and UP Board Question : 8

Fairy

Asked: February 18, 2021In: Class 11 Biology

How do neutral solutes move across the plasma membrane? Can the polar molecules also move across it in the same way? If not, then how are these transported across the membrane?

NCERT Solutions for Class 11 Biology Chapter 8 Cell: The Unit of Life Important Board Questions Cell: The Unit of Life NCERT Books for Session 2022-2023 CBSE Board and UP Board Question : 6

Fairy

Asked: February 18, 2021In: Class 11 Biology

What is a mesosome in a prokaryotic cell? Mention the functions that it performs.

NCERT Solutions for Class 11 Biology Chapter 8 Cell: The Unit of Life Important Board Questions Cell: The Unit of Life NCERT Books for Session 2022-2023 CBSE Board and UP Board Question : 5

Poll

Fairy

Asked: February 18, 2021In: Class 11 Biology

Which of the following is correct:

NCERT Solutions for Class 11 Biology Chapter 8 Cell: The Unit of Life Important Board Questions Cell: The Unit of Life NCERT Books for Session 2022-2023 CBSE Board and UP Board Question : 4

Poll

Fairy

Asked: February 18, 2021In: Class 11 Biology

New cells generate from

NCERT Solutions for Class 11 Biology Chapter 8 Cell: The Unit of Life Important Board Questions Cell: The Unit of Life NCERT Books for Session 2022-2023 CBSE Board and UP Board Question : 2

Poll

Fairy

Asked: February 18, 2021In: Class 11 Biology

Which of the following is not correct?

NCERT Solutions for Class 11 Biology Chapter 8 Cell: The Unit of Life Important Board Questions Cell: The Unit of Life NCERT Books for Session 2022-2023 CBSE Board and UP Board Question : 1

Poll

Lahiri

Asked: February 7, 2021In: Class-11-Physics

The door of a running refrigerator inside a room is left open. The correct statement out of the following ones is

NCERT Solutions for Class 11 Science Properties of matter 8 Important Board Questions Thermodynamics NCERT Books for Session 2022-2023 CBSE Board and UP Board M.C.Q

Poll

Lahiri

Asked: February 7, 2021In: Class-11-Physics

A Carnot engine, having an efficiency of η = 1/10 as heat engine is used as a refrigerator. If the work done on the system is 10J the amount of energy absorbed from the reservoir at lower temperature is

NCERT Solutions for Class 11 Science Properties of matter 8 Important Board Questions Thermodynamics NCERT Books for Session 2022-2023 CBSE Board and UP Board M.C.Q

Poll

Lahiri

Asked: February 7, 2021In: Class-11-Physics

The efficiency of engine is η₁ at T₁ = 200°C and T1 = 0°C and η₂ at T1= 0°C and T₂ –200 K. Find the ratio of 1

NCERT Solutions for Class 11 Science Properties of matter 8 Important Board Questions Thermodynamics NCERT Books for Session 2022-2023 CBSE Board and UP Board M.C.Q

Poll

Lahiri

Asked: February 7, 2021In: Class-11-Physics

A body at a temperature of 728°C and having surface area 5 cm2, radiates 300 J of energy each minute. The emissivity is [Given Boltzmann constant : =5.67×10–8 Wm–2 K–4]

NCERT Solutions for Class 11 Science Properties of matter 8 Important Board Questions Thermodynamics NCERT Books for Session 2022-2023 CBSE Board and UP Board M.C.Q

What are the characteristics of prokaryotic cells?

How do neutral solutes move across the plasma membrane? Can the polar molecules also move across it in the same way? If not, then how are these transported across the membrane?

What is a mesosome in a prokaryotic cell? Mention the functions that it performs.

Which of the following is correct:

New cells generate from

Which of the following is not correct?

The door of a running refrigerator inside a room is left open. The correct statement out of the following ones is

A Carnot engine, having an efficiency of η = 1/10 as heat engine is used as a refrigerator. If the work done on the system is 10J the amount of energy absorbed from the reservoir at lower temperature is

The efficiency of engine is η₁ at T₁ = 200°C and T1 = 0°C and η₂ at T1= 0°C and T₂ –200 K. Find the ratio of 1

A body at a temperature of 728°C and having surface area 5 cm2, radiates 300 J of energy each minute. The emissivity is [Given Boltzmann constant : =5.67×10–8 Wm–2 K–4]

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