Tiwari Academy Discussion

Bahgvanti

Asked: November 24, 2020In: Class 7 Science

In cockroaches, air enters the body through

NCERT Solutions for Class 7 Science Chapter 10 Important NCERT Questions 7th Chapter 10 Gravitation NCERT Books for Session 2022-2023 CBSE Board and State Board Questions No: 5 Part: a

Bahgvanti

Asked: November 24, 2020In: Class 7 Science

Take three test-tubes. Fill each of each with water. Label them A, B and C. Keep a snail in test-tube A, a water plant in test-tube B and in C, keep snail and plant both. Which test-tube would have the highest concentration of CO₂?

NCERT Solutions for Class 7 Science Chapter 10 Important NCERT Questions 7th Chapter 10 Gravitation NCERT Books for Session 2022-2023 CBSE Board and State Board Questions No: 4

Bahgvanti

Asked: November 24, 2020In: Class 7 Science

Why do we often sneeze when we inhale a lot of dust-laden air?

NCERT Solutions for Class 7 Science Chapter 10 Important NCERT Questions 7th Chapter 10 Gravitation NCERT Books for Session 2022-2023 CBSE Board and State Board Questions No: 3

Bahgvanti

Asked: November 24, 2020In: Class 7 Science

List the similarities and differences between aerobic and anaerobic respiration.

NCERT Solutions for Class 7 Science Chapter 10 Important NCERT Questions 7th Chapter 10 Gravitation NCERT Books for Session 2022-2023 CBSE Board and State Board Questions No: 2

Bahgvanti

Asked: November 24, 2020In: Class 7 Science

Why does an athlete breathe faster and deeper than usual after finishing the race?

NCERT Solutions for Class 7 Science Chapter 10 Important NCERT Questions 7th Chapter 10 Gravitation NCERT Books for Session 2022-2023 CBSE Board and State Board Questions No: 1

Aabha

Asked: November 24, 2020In: Class 7 Science

Explain how soil pollution and soil erosion could be prevented.

NCERT Solutions for Class 9 Science Chapter 8 Important NCERT Questions 7th Chapter 9 Force and Laws of Motion NCERT Books for Session 2022-2023 CBSE Board and State Board Questions No: 9

Aabha

Asked: November 24, 2020In: Class 7 Science

Razia conducted an experiment in the field related to the rate of percolation. She observed that it took 40 min for 200 mL of water to percolate through the soil sample. Calculate the rate of percolation.

NCERT Solutions for Class 9 Science Chapter 8 Important NCERT Questions 7th Chapter 9 Force and Laws of Motion NCERT Books for Session 2022-2023 CBSE Board and State Board Questions No: 8

Aabha

Asked: November 24, 2020In: Class 7 Science

List the differences between clayey soil and sandy soil.

NCERT Solutions for Class 9 Science Chapter 8 Important NCERT Questions 7th Chapter 9 Force and Laws of Motion NCERT Books for Session 2022-2023 CBSE Board and State Board Questions No: 6

Aabha

Asked: November 24, 2020In: Class 7 Science

How is clayey soil useful for crops?

NCERT Solutions for Class 9 Science Chapter 8 Important NCERT Questions 7th Chapter 9 Force and Laws of Motion NCERT Books for Session 2022-2023 CBSE Board and State Board Questions No: 5

Aabha

Asked: November 24, 2020In: Class 7 Science

Explain how soil is formed.

NCERT Solutions for Class 9 Science Chapter 8 Important NCERT Questions 7th Chapter 9 Force and Laws of Motion NCERT Books for Session 2022-2023 CBSE Board and State Board Questions No: 4

In cockroaches, air enters the body through

Take three test-tubes. Fill each of each with water. Label them A, B and C. Keep a snail in test-tube A, a water plant in test-tube B and in C, keep snail and plant both. Which test-tube would have the highest concentration of CO₂?

Why do we often sneeze when we inhale a lot of dust-laden air?

List the similarities and differences between aerobic and anaerobic respiration.

Why does an athlete breathe faster and deeper than usual after finishing the race?

Explain how soil pollution and soil erosion could be prevented.

Razia conducted an experiment in the field related to the rate of percolation. She observed that it took 40 min for 200 mL of water to percolate through the soil sample. Calculate the rate of percolation.

List the differences between clayey soil and sandy soil.

How is clayey soil useful for crops?

Explain how soil is formed.

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