MEDIUM
10th CBSE
IMPORTANT
Earn 100

Draw a diagram of the human respiratory system showing larynx, trachea, primary bronchus and lungs.

Important Questions on Life Processes

MEDIUM
10th CBSE
IMPORTANT
CORE SCIENCE BIOLOGY For Class 10>Chapter 1 - Life Processes>EXERCISE - 1B>Q 15

Give reasons for the following:

The glottis is guarded by the epiglottis.

MEDIUM
10th CBSE
IMPORTANT
CORE SCIENCE BIOLOGY For Class 10>Chapter 1 - Life Processes>EXERCISE - 1B>Q 15
Give reasons for the following:
The lung alveoli are covered with blood capillaries.
MEDIUM
10th CBSE
IMPORTANT
CORE SCIENCE BIOLOGY For Class 10>Chapter 1 - Life Processes>EXERCISE - 1B>Q 15
Give reasons for the following: The wall of trachea is supported by cartilage rings.
MEDIUM
10th CBSE
IMPORTANT
CORE SCIENCE BIOLOGY For Class 10>Chapter 1 - Life Processes>EXERCISE - 1B>Q 16
How are oxygen and carbon dioxide transported in human beings? How are lungs designed to maximize the area for exchange of gases?
MEDIUM
10th CBSE
IMPORTANT
CORE SCIENCE BIOLOGY For Class 10>Chapter 1 - Life Processes>EXERCISE - 1B>Q 17
Write any three differences between anaerobic and aerobic respiration.
MEDIUM
10th CBSE
IMPORTANT
CORE SCIENCE BIOLOGY For Class 10>Chapter 1 - Life Processes>EXERCISE - 1B>Q 18
Name two different ways in which glucose is oxidised to provide energy in various organisms.
MEDIUM
10th CBSE
IMPORTANT
CORE SCIENCE BIOLOGY For Class 10>Chapter 1 - Life Processes>EXERCISE - 1B>Q 18
Write any two differences between the two ways of oxidation of glucose in organisms.
MEDIUM
10th CBSE
IMPORTANT
CORE SCIENCE BIOLOGY For Class 10>Chapter 1 - Life Processes>EXERCISE - 1B>Q 19
Explain the process of the breakdown of glucose in a cell:
(i) in the presence of oxygen
(ii) in the absence of oxygen.