Respiration in Organisms (Class VII)
| Description: Respiration in Organisms | |
| Number of Questions: 15 | |
| Created by: Prajapati Rathore | |
| Tags: Respiration in Organisms Aerobic respiration Anaerobic respiration Language Conventions Exchange of Gases in Humans Respiration and its Types Breathing and Its Process Breathing in Other Animals and Plants |
During the process of oxidation, oxygen combines with the food we eat, liberating
Which of the following is not a part of human respiratory system?
In humans, a voice box called larynx is located
Which of the following statements is/are false?
a. Energy is needed by living as well as non-living things to work. b. The digested food is absorbed by the walls of intestine and carried by blood to different parts of the body. c. The lungs get rid of the nitrogen gas as one breathes out.
Which of the following is/are the characteristics of respiration?
a. Energy is produced. b. Food is used up. c. Exchange of gases occur.
Which of the following has very thin walls and are supplied with blood capillaries?
In exhaled air, the percentage of carbon dioxide is
Heavy weightlifters develop muscle cramps after heavy exercise. This is due to the accumulation of _________ in the muscles.
In which of the following organisms is the movement of skeleton draws air in and out of the openings called spiracles?
The number of times a person breathes in a minute is called the breathing rate. The normal range of breathing rate/minute in an adult person at rest is
Which of the following organisms, when in water, breathes through their moist skin and when in water, breathes through their nostrils?
Which of the following statements is/are false?
a. Yeast is a single-celled organism that respires aerobically. b. In anaerobic respiration, glucose is partially broken down into ethyl alcohol, energy and carbon dioxide. c. Cellular respiration is a chemical process in which food molecules are broken down into simple molecules within cells and energy is produced.
Which of the following statements is/are false?
a. During exhalation, the ribs move downwards and inwards. b. During inhalation, the diaphragm moves up, making the chest cavity larger. c. From trachea, the air goes through two smaller tubes called bronchi.
In aquatic plants, gases diffuse through the
In terrestrial plants, diffusion of oxygen and carbon dioxide occurs through which of the following?
a. Anther b. Stomata c. Lenticels d. Sepals