Draw a neat diagram of root hair region and label the parts.
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Draw a neat diagram of human respiratory system.
How many stages involved in aerobic respiration?
What are the types of respiration?
What are the parts present in alimentary canal?
What are group organs present in digestive system?
What is gastroenterology?
Define digestion.
Explain intracellular digestion in WBCs.
Explain about intracellular digestion in unicellular animals.
What are saprophytes?
What are haustoria?
What is hosts?
What is parasites?
What is heterotrophic nutrition?
What are the sources of material required by plants for photosynthesis?
Write down the bio-chemical reaction of photosynthesis.
What is autotrophic nutrition?
Where do we get that energy?
What are the types of nutrition?
What is excretion?
What is transportation?
Define respiration.
Define nutrition.
In touch - me - not plant the leaves show movements. What type of movement have you observed. Discuss.
Is the pressure created in xylem enough to conduct water in tall trees?
In human beings air enters into the body through
and moves into
In fishes
water enters into and the dissolved oxygen diffuses into
Pick out the odd one : The parts of the alimentary canal are (Pharynx, mouth, buccal cavity,
pancreas)
Sugar is converted into alcohol. From the above statement what kind of process takes place? Which micro organism is involved?
In the process of respiration_
the lactic is carbon compound.
ANS: Glucose & three.
Is carbon compound,
Match the method of nutrition of special organs with suitable example.
Autotrophs
Mycorrhiza
Cuscuta
Parasites
Chlorophyll
Monotropa
Saprophytes
Haustoria
Hibiscus
Name the types of vascular tissues in the plant stem which are labelled as A and B
a. Name A and B
b. What are the material transported through A?
c. What are the materials transported through B?
phloem transports food.
d. How do the materials in A move upwards to leaves?
The xylem in the plants are responsible for (transport of water, transport of food, transport of amino acids, transport of oxygen)
The roots of coconut tree are seen away from the plant. Such kind of movement of root for want of water is
(Phototropism,Geotropism,Chemo-tropism, Hydrotropism)
The product obtained in the Anaerobic respiration of yeast is
(Lactic acid,Pyruvic acid, Ethanol, Acetic acid)
Inmonotropa the special type of root which absorbs nourishment is
(Haustoria, Mycorrhizal root, Clinging root, Adventitious root)
Compare the functioning of alveoli in the lungs and nephrons in the kidneys with respect to their structure and functioning.
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What are the differences between the transport of materials in xylem and phloem?
Describe double circulation in human beings. Why is it necessary?
What would be the consequences of a deficiency of haemoglobin in our bodies?
How are the alveoli designed to maximise the exchange of gases?
What are the differences between aerobic and anaerobic respiration? Name some organisms that use the anaerobic mode of respiration.
What are the necessary conditions for autotrophic nutrition and what are its by-products?
What is the role of saliva in the digestion of food?
How are fats digested in our bodies? Where does this process take place?
The breakdown of pyruvate to give carbon dioxide, water and energy takes place in
(a) cytoplasm.
(b) mitochondria.
(c) chloroplast.
(d) nucleus.
The autotrophic mode of nutrition requires
(a) carbon dioxide and water.
(b) chlorophyll.
(c) sunlight.
(d) all of the above.
The xylem in plants are responsible for
(a) transport of water.
(b) transport of food.
(c) transport of amino acids.
(d) transport of oxygen.
The kidneys in human beings are a part of the system for
(a) nutrition.
(b) respiration.
(c) excretion.
(d) transportation.
How is the amount of urine produced regulated?
What are the methods used by plants to get rid of excretory products?
Describe the structure and functioning of nephrons.
How is food transported in plants?
How are water and minerals transported in plants?
What are the components of the transport system in highly organised plants?
Why is it necessary to separate oxygenated and deoxygenated blood in mammals and birds?
What are the components of the transport system in human beings? What are the functions of these components?
How are the lungs designed in human beings to maximize the area for exchange of gases?
How is oxygen and carbon dioxide transported in human beings?
What are the different ways in which glucose is oxidized to provide energy in various organisms?
What advantage over an aquatic organism does a terrestrial organism have with regard to obtaining oxygen for respiration?
How is the small intestine designed to absorb digested food?
What is the function of digestive enzymes?
What is the role of the acid in our stomach?
Where do plants get each of the raw materials required for photosynthesis?
What are the differences between autotrophic nutrition and heterotrophic nutrition?
What processes would you consider essential for maintaining life?
What are outside raw materials used for by an organism?
What criteria do we use to decide whether something is alive?
Why is diffusion insufficient to meet the oxygen requirements of multi-cellular organisms like humans?
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