gagan23

Cetana

Asked: November 24, 2020In: Class 7 Science

What are stomata? Give two functions of stomata.

NCERT Solutions for Class 7 Science Chapter 11 Important NCERT Questions 7th Chapter 11 Transportation in Animals and Plants NCERT Books for Session 2022-2023 CBSE Board and State Board Questions No: 6

Cetana

Asked: November 24, 2020In: Class 7 Science

What will happen if there are no platelets in the blood?

NCERT Solutions for Class 7 Science Chapter 11 Important NCERT Questions 7th Chapter 11 Transportation in Animals and Plants NCERT Books for Session 2022-2023 CBSE Board and State Board Questions No: 5

Cetana

Asked: November 24, 2020In: Class 7 Science

Why is transport of materials necessary in a plant or in an animal? Explain.

NCERT Solutions for Class 7 Science Chapter 11 Important NCERT Questions 7th Chapter 11 Transportation in Animals and Plants NCERT Books for Session 2022-2023 CBSE Board and State Board Questions No: 4

Poll

Bahgvanti

Asked: November 24, 2020In: Class 7 Science

The mountaineers carry oxygen with them because:

NCERT Solutions for Class 7 Science Chapter 10 Important NCERT Questions 7th Chapter 10 Respiration in Organisms NCERT Books for Session 2022-2023 CBSE Board and State Board Questions No: 9

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

Meghana

Asked: November 22, 2020In: Class 8 Science

In case of a fire, before the firemen use the water hoses, they shut off the main electrical supply for the area. Explain why they do this.

NCERT Solutions for Class 8 Science Chapter 14 Important NCERT Questions 8th Chapter 14 Chemical Effects of Electric Current NCERT Books for Session 2022-2023 CBSE Board and State Board Questions No: 7

Meghana

Asked: November 22, 2020In: Class 8 Science

Does pure water conduct electricity? If not, what can we do to make it conducting?

NCERT Solutions for Class 8 Science Chapter 14 Important NCERT Questions 8th Chapter 14 Chemical Effects of Electric Current NCERT Books for Session 2022-2023 CBSE Board and State Board Questions No: 6

Poll

Meghana

Asked: November 22, 2020In: Class 8 Science

A tester is used to check the conduction of electricity through two liquids, labelled A and B. It is found that the bulb of the tester glows brightly for liquid A while it glows very dimly for liquid B. You would conclude that

NCERT Solutions for Class 8 Science Chapter 14 Important NCERT Questions 8th Chapter 14 Chemical Effects of Electric Current NCERT Books for Session 2022-2023 CBSE Board and State Board Questions No: 5

Meghana

Asked: November 22, 2020In: Class 8 Science

When the free ends of a tester are dipped into a solution, the magnetic needle shows deflection. Can you explain the reason?

NCERT Solutions for Class 8 Science Chapter 14 Important NCERT Questions 8th Chapter 14 Chemical Effects of Electric Current NCERT Books for Session 2022-2023 CBSE Board and State Board Questions No: 2

Kyra

Asked: November 22, 2020In: Class 10 Social Science

Lightning and thunder take place in the sky at the same time and at the same distance from us. Lightning is seen earlier and thunder is heard later. Can you explain?

NCERT Solutions for Class 8 Science Chapter 13 Important NCERT Questions 8th Chapter 13 Sound NCERT Books for Session 2022-2023 CBSE Board and State Board Questions No: 13

gagan23

What are stomata? Give two functions of stomata.

What will happen if there are no platelets in the blood?

Why is transport of materials necessary in a plant or in an animal? Explain.

The mountaineers carry oxygen with them because:

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?

In case of a fire, before the firemen use the water hoses, they shut off the main electrical supply for the area. Explain why they do this.

Does pure water conduct electricity? If not, what can we do to make it conducting?

A tester is used to check the conduction of electricity through two liquids, labelled A and B. It is found that the bulb of the tester glows brightly for liquid A while it glows very dimly for liquid B. You would conclude that

When the free ends of a tester are dipped into a solution, the magnetic needle shows deflection. Can you explain the reason?

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