A. Single
B. Both
C. Do not have opening
D. None of these
Correct Answer: Both ✔
Last Updated: May 23, 2018
Related MCQs
- Respiratory distress syndrome is common especially for infants with a__________?
- Gaseous exchange through the skin is known as __________ respiration?
- All of the following contain cartilage except:__________?
- Voice box is another name used for__________?
- The blood enters the __________ side of heart ?
- Which of the following animals has a respiratory system with one way flow of the air through the lungs, and the air is renewed after inspiration?
- When abdomen expands, the number of spiracles open is__________?
- Which of the following promotes growth in plants?
- Number of spiracles present in the thorax of cockroach is__________?
- Of the following, which one is a contagious disease?
- Number of spiracles present in cockroach is__________?
- A disease of longs in which inside of the lungs is damaged resulting in cough and fever?
- More than __________ compounds of tar of tobacco smoke are involved to cause cancer?
- Active site of Rubisco is evolved to bind?
- Arterial blood contains _________ of CO2 per 100 ml of blood
- Percentage of CO2 carried as carboxyhaemoglobin is_________?
- The increase in pH of blood has ________ effect on the oxygen carrying capacity of haemogolobin?
- The glycolate produced diffuses into the membrane bounded organelles called__________?
- The air spaces may comprise upto _________ of total volume of leaf surface?
- There are _________ stomata per square cm of leaf surface in Tobacco plants?
- Important factors which affect the capacity of haemoglobin to combine with oxygen is
- Water is _________ times viscous than air?
- Haemoglobin can be almost completely oxygenated by an oxygen pressure of __________ of mercury.
- Oxygen contents per liter of air is__________?
- The maximum amount of oxygen which normal human blood absorbs and carries at sea level is ________ per 100 ml of blood.
- Of the following, which one is better respiratory medium__________?
- During rest the breathing occurs rhythmically at the frequency of _________ times per minute in human?
- __________ respiration is the process by which cell utilized oxygen and produces CO2 ?
- Lungs are covered with double layered thin membranous sac called__________?
- __________ respiration is directly involved in the production of energy, necessary for all living activities?
- Lungs are spongy due to the presence of million of__________?
- Functional units of lungs are called________?
- Breaking of terminal phosphate of ATP releases about __________ Kcal of energy?
- ATP are consumed during__________?
- Cellular respiration is essentially a/an __________ process?
- From one pyruvate passing through Kreb’s cycle, how many NADH are formed?
- In Anaerobic respiration only __________ % of the energy present within the chemical bond of glucose is converted into ATP?
- Final acceptor of electrons in respiratory chain is__________?
- In which of the following component of the body, lactic acid fermentation takes place?
- The most important photosynthetic pigment is __________?
- The chlorophyll molecule is embedded in the core of thylakoid membrane which acts as__________?
- In alcoholic fermentation Pyruvic acid is broken down into?
- Deficiency of __________ causes yellowing in plants?
- Chlorophylls mainly absorb _________ wavelengths?
- Complete breakdown of glucose molecule takes place in which of the following?
- Xanthophylls are _________ pigments
- Glycolysis takes place in__________?
- Chlorophylls are found embedded in the __________ membranes?
- The dense fluid filled region in the chloroplast is__________?
- Photosystem II has molecules which absorbs maximum light of__________?
- In all plants the major sites of phosynthesis are__________?