Advertisements
Advertisements
Question
Which of the following is known as the energy currency of the cells in biology?
Options
DTP
PDP
ATP
DDT
Advertisements
Solution
ATP
In biology, ATP is known as the energy currency of a cell. It is a high energy molecule that stores the energy.
APPEARS IN
RELATED QUESTIONS
The breakdown of pyruvate to give carbon dioxide, water, and energy takes place in ______.
Compare the functioning of alveoli in the lungs and nephrons in the kidneys with respect to their structure and functioning.
Given below is a square of letters in which are hidden different words related to respiration in organisms. These words may be present in any direction − upwards, downwards, or along the diagonals. Find the words for your respiratory system. Clues about those words are given below the square.

- The air tubes of insects
- Skeletal structures surrounding chest cavity
- Muscular floor of chest cavity
- Tiny pores on the surface of leaf
- Small openings on the sides of the body of an insect
- The respiratory organs of human beings
- The openings through which we inhale
- An anaerobic organism
- An organism with tracheal system
Name the type of respiration in which the end product is:
Lactic acid
Give one example where such a respiration can occur.
What are the major organs of respiratory system in man (or humans)?
Internal respiration may be defined as:
Which of the following statements are correct?
(i) pyruvate can be converted into ethanol and carbon dioxide by yeast
(ii) fermentation takes place in the case of aerobic bacteria
(iii) fermentation takes place in mitochondria
(iv) fermentation is a form of anaerobic respiration
One of the following organisms does not depend on the simple diffusion of gases for breathing and respiration. This organism is:
Consider the following chemical reactions which take place in different organisms/tissues under various conditions:
(i) Glucose → Respiration ">Ethanol + Carbon dioxide + Energy
(ii) Glucose→ Respiration ">Carbon dioxide + Water + Energy
(iii) Glucose → Respiration "> Lactic acid + Energy
(a) Name one organism which respires according to equation (i) above.
(b) Name one organism which respires according to equation (ii) above.
(c) When and where does respiration represented by equation (iii) above take place?
(d) Which equation/equations represent aerobic respiration?
(e) Which equation/equations represent anaerobic respiration?
(f) Which of the above reactions produces the maximum amount of energy?
Answer the following in detail.
Explain the process of Cellular Respiration.
Choose the odd one out in the following groups of four items each:
Trachea, Bronchus, Alveolus, Diaphragm
What is the normal percentage composition of gases in inspired and expired air respectively?
Why is respiration essential for life?
With which of the following haemoglobin combines to form carboxyhaemoglobin?
The partial pressure of oxygen of blood in pulmonary capillaries is i ______ mrnHg while in alveolar air it is ii ______ mmHg.
How does aerobic respiration differ from anaerobic respiration?
Yeast is used in wine and beer industries because it respires ______.
Breathing is a process that
- provides O2 to the body.
- breaks down food to release energy.
- helps the body to get rid of CO2.
- produces water in the cells.
Which of the following gives the correct combination of functions of breathing?
On a very cold morning, Boojho and Paheli were talking with each other as they walked down to their school. They observed that the air coming out of their mouth looked like smoke. They were amused and wondered how it happened. Help them find the answer.
