Class 10th Biology Chapter 1/10


Total Marks: 33

1. Which gas is absorbed through stomata of plant during night.
Carbon dioxide Oxygen Nitrogen Hydrogen
2. For gaseous exchange the leaves and young stems have in their epidermis.
Stomata General surface Culticle Lenticels
3. Stomata are present in .
Phloem Xylem Endodermis Epidermis
4. In first step of glycolysis glucose molecules breaks and divide into two .................... molecules.
Citric Acid Lactic Acid Pyruvic Acid Formic Acid
5. Which bond in food breaks during cellular respiration ?
C - O S - O C - H N - O
6. Taking in oxygen from environment and given out of carbondioxide from body is gaseous exchange .
Resporation Gaseous exchange Aerobic respiration Anaerobic respiration
7. Place of gaseous exchange in lungs is called .
Alveoli Pharynx Trachea Bronchi
8. The muscles of ribs are called.
Intercoastal muscles Cardiac muscles Smooth muscles Coastal muscles
9. Opening of nasil cavity called
Oral cavity Eye Lungs Nostril
10. Temperature of expired air is.
Equal to the body temperature Low High None of these
11. Membrane present around the lungs called.
Lenticel Plasma membrane Cell membrane Pleural membranes
12. A narrow opening present at the floor of pharynx is called.
Glottis Larynx Nostril Trachea
13. Larynx is made up of
Alveoli Cartilage Trachea Glotis
14. Latex is a box which made up of.
MuBlood cells Cartilage Muscles Bone
15. Which structure actively helps in taking the air out of lungs ?
Diaphragm Bronchiole Bronchus Nasal cavity
16. The length of trachea is .................... cm approximately
10 12 14 16
17. Percentage of CO2 in exhaled air during breathing is
0.04% 79% 4% 16%
18. The percentage of oxygen from air which we inspired
15 to 12 per minute 16 to 20 per minute 12 to 15 per minute 10 to 12 per minute
19. The rate of breathing during exercise or other hard physical work is.
30 - 40 times 20 - 30 times 10 - 20 times 40 - 50 times
20. Which one of the following common to both food and air ?
Pharynx Nascal cavity Epigotottis Glottis
21. Amount of oxygen in expired air is
17% 00.4% 16% 21%
22. Cluster of pouches in lungs called
Bronchi Vocal cards Bronchioles Alveli
23. The blood vessel that bring deoxigenated blood in lungs called.
Adrenal artery Pulmunary vain Pulmunary artery Adrenal vain
24. Breathing rate in human after exercise is .
50 - 60 30 - 40 70 - 80 10 - 20
25. The Larynx is also called this.
Bronchioles Alveoli Voice Box Trachea
26. Which disease in involved in the breakdown of air sacs of the lungs ?
Bronchitis Asthama Emphysema Pheumonia
27. Total chemicals in tobacco smoke are
4000 3000 2000 1000
28. In which of the following diseases paticent has usually lost 50% to 70% of his / her lungs tissues
Pnenmonia Emphysema Bronchitis Asthama
29. Tooth loss is ------------------ time higher in smoker than in non smokers.
2 - 3 times 7 - 8 times 5 - 6 times No effect
30. The use of nicotine in past way.
Medicins Insecticide Pestiside Ferilizer
31. Every year \"World No Tobacco Day\" is celebated on
21 March 31 March 30 May 31 May
32. Major types of Bronchitis are.
4 3 2 1
33. Many chemicals in smoke increase the production of ------------ blood cells .
Osteocytes Platelets Red White