MEDIUM
Earn 100

Write the flowchart to show the breakdown of glucose by various pathways in the cytoplasm of living organisms.

Important Questions on Life Processes

HARD
Science>Biology>Life Processes>Respiration
Draw a diagram of human respiratory system and label- pharynx, trachea, lungs, diaphragm and alveolar sac on it.
EASY
Science>Biology>Life Processes>Respiration
Give the full form of ATP.
MEDIUM
Science>Biology>Life Processes>Respiration
When ATP is converted into ADP it releases
HARD
Science>Biology>Life Processes>Respiration
Describe various pathways of glucose breakdown in organisms.
EASY
Science>Biology>Life Processes>Respiration
Because of lack of oxygen in muscle cells, 3 carbon molecule pyruvate is converted into :
MEDIUM
Science>Biology>Life Processes>Respiration
Under what condition lactic acid is produced in the muscle cells?
MEDIUM
Science>Biology>Life Processes>Respiration

Name the energy currency in the living organisms. When and where it is produced?

EASY
Science>Biology>Life Processes>Respiration
What is produced when ATP is broken? (Write the answer in abbreviated form)
MEDIUM
Science>Biology>Life Processes>Respiration
Describe the breakdown of glucose by various pathways.
EASY
Science>Biology>Life Processes>Respiration

A teacher places a lighted candle on the table in the classroom. He later covers it with a jar.

I. The candle stops burning after some time.
II. Air is required to keep the candle burning.
III. Oxygen is required to keep the candle burning.

Of the above three statements:

MEDIUM
Science>Biology>Life Processes>Respiration
To get instant energy, what would you select butter or glucose? Justify your answer.
MEDIUM
Science>Biology>Life Processes>Respiration
Very briefly summarize the exchange of gases in tissues.
HARD
Science>Biology>Life Processes>Respiration
What is the energy currency in living organisms? How is it produced?
HARD
Science>Biology>Life Processes>Respiration
How are oxygen and carbon dioxide exchanged in our body during respiration?
EASY
Science>Biology>Life Processes>Respiration
Glycolysis is common to both aerobic as well as anaerobic respiration.
HARD
Science>Biology>Life Processes>Respiration

Internal respiration may be defined as:

EASY
Science>Biology>Life Processes>Respiration
Match the items of Column A with items of Column B.
Column A Column B
(i) Energy currency (A) Haemoglobin
(ii) Powerhouse of the cell (B) Lactic acid
(iii) Respiratory pigment (C) ATP
(iv) Exchange of gases (D) Mitochondria
(v) Muscular cramps (E) Alveoli
HARD
Science>Biology>Life Processes>Respiration
Describe the three pathways of glucose breakdown in living organisms.
EASY
Science>Biology>Life Processes>Respiration
Oxygen of the air is utilised for ‘combustion’ & for ‘respiration’. Compare the two with a suitable example.
MEDIUM
Science>Biology>Life Processes>Respiration
ATP is formed in the cytoplasm.