Advertisements
Advertisements
प्रश्न
There are five animals P, Q, R, S and T. The animal P always lives in water and has gills for breathing. The animal Q can stay in water as well as on land and can breathe both, through moist skin and lungs. The animal R lives in soil and breathes only through its skin. The animal S lives on land and breathes through spiracles and tracheae. And animal T lives in water and breathes through its cell membrane.
(a) Which of the animals could be Amoeba?
(b) Which of the animals could be frog?
(c) Which animal could be fish?
(d) Which animal could be grasshopper?
(e) Which animal could be earthworm?
Advertisements
उत्तर
(a) T is Amoeba
(b) Q is frog
(c) P is fish
(d) S is grasshopper
(e) R is earthworm
APPEARS IN
संबंधित प्रश्न
What would be the consequences of a deficiency of haemoglobin in our bodies?
The exchange of respiratory gases in the cells of plants occurs by the process of _______________
(a) Osmosis
(b) Diffusion
(c) Glycolysis
(d) exhalation
What organs are attached to the two bronchi?
State whether the following statement is true or false:
Energy can be produced in cells without oxygen.
Describe the process of respiration in fish.
Describe the process of respiration in the following part of a plant:
Leaves
During marathon, we sometimes get painful contractions of leg muscles due to the accumulation of one of the following in leg muscles. This is:
Veins and arteries carry blood. Which of these carry blood away from the heart?
It has been found that people living in very high mountains have many more red corpuscles in their blood than people living in plains. Which one of the following best accounts for this phenomenon?
Answer this question.
Name the organ of respiration in fishes.
Choose the odd one out in the following groups of four items each:
Ethyl alcohol, Carbon dioxide, Starch, Oxygen
Given below is an example of certain structure and its special functional activity:
"Kidney and excretion".
Fill in the blanks on a similar pattern.
Alveoli and _____________.
Given below is an overall chemical reaction of a certain process:
C6H12O6 →LacticAcid+2ATP+Heat energy
Name the process.
Complete the analogy.
Transport of CO2 by plasma : 7% :: Transport of CO2 by bicarbonate ions: ____________.
The Figure shown below represents an activity to prove the requirements for photosynthesis. During this activity, two healthy potted plants were kept in the dark for 72 hours. After 72 hours, KOH is kept in the watch glass in setup X and not in setup Y. Both these setups are air tight and have been kept in light for 6 hours. Then, Iodine Test is performed with one leaf from each of the two plants X and Y.
The function of KOH is to absorb ______.
How does aerobic respiration differ from anaerobic respiration?
Sometimes when we do heavy exercise, anaerobic respiration takes place in our muscle cells. What is produced during this process?
Mark the following statement as True or False. Correct the false statement.
Insects have spiracles on the lower surface of the body
Mark the following statement as True or False. Correct the false statement.
Exhaled air has more percentage of CO2 than inhaled air
Match the correct answers with the type of respiration and respiratory substances.
| Respiration | Types of Substrates |
| A. Floating respiration | I. Proteins |
| B. Cytoplasmic respiration | II. Glucose |
| C. Protoplasmic respiration | III. Carbohydrates and fats |
