ICSE CLASS 9 Selina Biology Solutions Pdf Download Chapter 14: The Respiratory System Textbook Question Paper
ICSE CLASS 9 Biology Selina Respiratory System pdf
A. MULTIPLE CHOICE TYPE
(a) During the process of inhalation, the diaphragm:
(i) relaxes
(ii) contracts
(iii) expands
(iv) folds
(b) The final sections of the respiratory system in humans are referred to as:
(i) alveoli
(ii) bronchioles
(iii) tracheoles
(iv) bronchi
(c) In the process of respiration, there is:
(i) an increase in dry weight
(ii) a decrease in dry weight
(iii) no change in dry weight
(iv) an overall weight increase
(d) The byproduct generated from anaerobic respiration in animals is:
(i) amino acids
(ii) uric acid
(iii) lactic acid
(iv) ethanol
(e) Anaerobic respiration in animals predominantly occurs in:
(i) cardiac muscles
(ii) skeletal muscles
(iii) both (i) and (ii)
(iv) smooth muscles
(f) What is commonly referred to as the Adam’s apple?
(i) larynx
(ii) glottis
(iii) pharynx
(iv) epiglottis
(g) The fundamental structural and functional unit of the lung is:
(i) capillaries
(ii) bronchioles
(iii) alveolus
(iv) bronchi
(h) The protective membrane covering the lung is:
(i) capsule
(ii) pericardium
(iii) epithelium
(iv) pleura
(i) The muscular sheet that divides the thoracic and abdominal cavities in humans is:
(i) peritoneum
(ii) diaphragm
(iii) parietal pleura
(iv) visceral pleura
(j) Which of these cells secretes mucus in the respiratory tract?
(i) ciliated cells
(ii) air sacs
(iii) goblet cells
(iv) tertiary bronchi
B. VERY SHORT ANSWER TYPE
Identify the following:
(a) The primary energy currency of the cell.
(b) The compound formed when oxygen binds with hemoglobin.
(c) The shared passage for the esophagus and trachea.
(d) The muscles located between the ribs that can alter the chest cavity’s length.
(e) The compound formed when hemoglobin combines with carbon dioxide.
Identify the body structure associated with each function:
(a) Stops food from entering the trachea while swallowing
(b) Delivers oxygen to body cells.
(c) Aids in increasing the chest cavity volume lengthwise.
(d) Binds with oxygen in the lungs.
(e) Shields the lungs from physical damage.
(f) Facilitates the diffusion of respiratory gases in the lungs.
Identify:
(a) Two types of respiration.
(b) Two stages of cellular respiration.
(c) Two phases of the breathing cycle.
(d) Two primary raw materials needed for respiration.
(e) Two components of tidal volume.
Organize the parts of the human respiratory system in logical order: Bronchi, Lungs, Larynx, Nose, Trachea, Pharynx.
What are the normal percentage compositions of gases in inspired and expired air?
Match the items in Column I with the most appropriate items in Column II. Rewrite the pairs:
Column I
(a) Alveoli
(b) Bronchioles
(c) Nasal chamber
(d) Bronchi
Column II
(i) where aerobic respiration occurs
(ii) lined with hair
(iii) gas diffusion
(iv) small air passages
(v) an inverted Y-shaped structure
(vi) a shared pathway for food and air
C. SHORT ANSWER TYPE
Below is an example of a specific structure and its corresponding function: “Kidney and excretion.” Complete the following:
(a) Alveoli and…………….
(b) Mitochondria and…………….
(c) Epiglottis and…………….
(d) Pleura and…………….
(e) Diaphragm and…………….
(f) ‘C’ shaped cartilage rings and…………….
Match Column A & Column B.
Column A
Cartilaginous
Epiglottis
Large surface area
Diaphragm
Voice
Complemental air
Bronchi
Column B
Breathing movements
Swallowing
Alveoli
Larynx
Extra inhalation
Bronchi
State the following:
(a) Ciliated epithelium lining the respiratory tract
(b) Mitochondria
(c) Diaphragm
(d) Intercostal muscles
(e) Pleural fluid
Under which circumstances would the breathing rate increase?
How could you demonstrate that the air you exhale is warmer?
How does the respiratory tract remain free of dust particles?
What is inaccurate about the statement “We inhale oxygen and exhale carbon dioxide”?
Write the balanced chemical equations for the following:
(a) Aerobic respiration
(b) Anaerobic respiration in plants
(c) Anaerobic respiration in animals
(d) Photosynthesis
(e) Phosphorylation
Define:
(a) Respiration
(b) Hypoxia
(c) Asphyxiation
(d) Breathing
(e) Vital capacity
D. LONG ANSWER TYPE
Differentiate between the following pairs based on the given aspect:
(a) Name the two muscles involved in respiration.
(b) Briefly explain how these muscles assist in inhaling air.
(c) Provide the overall chemical equation representing respiration in humans.
(d) What do the following terms mean?
Residual air
Dead air space
Starting from the nostrils, outline the pathway taken by inspired air until it reaches the alveoli.
What are the functions of the following in the process of breathing?
(a) Ribs
(b) Diaphragm
(c) Abdominal muscles
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ICSE CLASS 9 Selina Biology Solutions Chapter 13 Skin Full Solution English and Hindi Medium
ICSE CLASS 9 Selina Biology Solutions Chapter 13 Skin Full Solution English and Hindi Medium
Comprehensive Guide to the Digestive System: Selina Class 9 Biology Solutions Hindi & English
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