DUE DATE : 15-12-2011 (THURSDAY)
NOTE: STUDENT SHOULD POST ANSWER IN THIS BLOG IN COMMENT PART!
( 5 % ) TERM 1 --- IF STUDENTS DO NOT DID THE QUIZ IN THE TIME PRESCRIBED, THE MARKS AUTOMATIC WILL BE 0%.
Q.1) What is the composition of oxygen in our exhaled air? (in percent) [1m]
A. 21
B. 0.5
C. 6
D. 16
E. 10
Q.2) This is a small but delicate sac that surrounded by blood capillaries. [1m]
Q.3) State the thing in your red blood cell that combines with carbon monoxide to form carboxy**** that reduce your gaseous exchange efficiency [1m]
Q.4) This action include oxidation of food [1m]
A. Breathing
B. Respiration
C. Glucosation
D. Photosynthesis
Q.5) Estimate the length of trachea (in cm) [1m]
Q.6) What substance that make your lung turns black in colour? [1m]
Q.7) This substance stimulates the growth of cancer cells, causing cancer. [1m]
Q.8) write the path of air inhalation? like this Testes-Sperm duct-....-Fallopian tube ....all in singular verb [1m]
Q.9) How many litre of air can be contained in an adult's lung? [1m]
POST YOUR ANSWERS IN THIS COMMENT POST . THANK Q
ReplyDeleteThirumurugan answer's :
ReplyDelete•1.D
•2.The lungs flank the heart and great vessels in the chest cavity. .... in the pressure (a partial vacuum) within the lung itself (but note that this negative ... humidify it before it reaches the delicate lungs where gas exchange will occur. .... by many air sacs called alveoli which are surrounded by blood capillaries.
•3.By breathing carbon monoxide gas which was passed through a bottle containing ... lead to 50% of the haemoglobin being combined to form carboxyhaemoglobin. ... The body compensates for the blood's reduction in oxygen carrying capacity by red blood cells, and this reaction produces carbon monoxide and bile salts.
•4.B
•5.9CM TO 15 CM
•6.TAR
•7.In cancer, cells divide and grow uncontrollably, forming malignant tumors, and growth of cancer cells, and tumor suppressor genes, which prevent cancer from Substances that cause DNA mutations are known as mutagens, and .are in development to stimulate an immune response against cancer-specific epitopes
•8. nasal cavities, pharynx, larynx, trachea, bronchi, bronchioles, alveoli, bloodstream.
•9. 6 LITRE OF AIR
SANTHIYA ANSWER'S :
ReplyDelete1. D
2. alveoli
3.
4. C
5. 25 CM TO 30 CM
6. TAR
7. NICOTINE AND TAR
8. NOSE TO TRACHEA TO LUNGS
9. 6 LITRES
1)D
ReplyDelete2)alveoli or alveolus
3)carboxyhaemoglobin
4)C
5)10cm to 16cm
6)Tar
7)Carcinogen and Nicotine
8)nasal cavity, pharynx, larynx, trachea, bronchi, bronchioles, alveolus and bloodstream
9)5l to 6l
S.SHARLIN ANSWER'S
ReplyDelete1.A
2.ALVEOLI
3.HAEMOGLOBIN
4.C
5.4CM
6.TAR
7.HYDROCARBONS
8.NOSE to TRACHEA to BONCHI to BRONCHIOLES to ALVEOLI
9.2400....
1.D
ReplyDelete2.ALVEOLI
3.OXYGEN
4.B
5.<0.2mm
6.tar
7.carcinogen
8.nasal cavity,pharynx,trachea,bronchi,bronchioles,ribs,alveoli
9.50litre
1.D.
ReplyDelete2.ALVEOLI.
3.-.
4.B.
5.6CM-12CM.
6.TAR.
7.HYDROCARBONS.
8.NASALCAVITY-TRACHEA-BROCHUS-BROUCHIOLES-ALVEOLUS.
9.12LITERS.
FROM SHARMILA.