10th Class Biology Chapter 1 Gaseous Exchange Short Questions Answer

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10th Class Biology Chapter 1 Gaseous Exchange Short Questions Answer

Define Nasal Cavity?

Define Nasal Cavity?

Answer : Nasal cavity is the hallow space in the nose open to the outside through nostrils and divided into two portions by a wall.
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Differentiate between biceps and triceps?

Differentiate between biceps and triceps?

Answer : Biceps: Biceps is a flexor muscle on the front of the upper arm bone it originate from 2 tendons
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What are the types of arthritis?

What are the types of arthritis?

Answer : 1: Osteoarthritis
2: Rheumatoid arthritis
3: Gout
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What lenticels. Describe their function?

What lenticels. Describe their function?

Answer : In woody stems and mature roots the entire surface is covered by bark which is impervious to gases or water. However there are certain pones in the layer of bark. These are called the lenticels. The lenticels allow air to pass through them.
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Define gaseous exchange?

Define gaseous exchange?

Answer : The process of taking oxygen in and given out CO2 is called gaseous exchange. It is 2 types Breathing, cellular respiration
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What is osteoporosis?

What is osteoporosis?

Answer : It is a bone disease in old men and women. There is decreased in density of bones due to loss of calcium and phosphorous.
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Why do organisms need energy?

Why do organisms need energy?

Answer : The organisms need energy in the form of ATP for their activities and processes.
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What is trachea?

What is trachea?

Answer : The trachea is 12 cm long tube. It lies in front of the esophagus. It is also called as windpipe.These are C-shaped cartilaginous nines in the wall of trachea .The cartilages keep the trachea from collapsing even when there is no air in it.
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What is stomata?

What is stomata?

Answer : These are small opening which are present in the leaves and young stem epidermis.These helps in exchange of gases.
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What are the causes of osteoporosis?

What are the causes of osteoporosis?

Answer :

1: Malnutrition
(lack of proteins and vitamins C )
2: Lack of physical activities
3: Deficiency of estrogen hormone

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Define cellular respiration?

Define cellular respiration?

Answer : The process in which the C-H bond of food is broken down into CO2 and H2O by using oxygen by oxidation reduction reaction is called cellular respiration.
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What are symptoms of Asthma?

What are symptoms of Asthma?

Answer : Shortness of breath, Wheezing, Chronic cough, Tightness of chest.
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What are bad effect of smoking?

What are bad effect of smoking?

Answer : 1. Smoking causes cancer in kidney oral Cavity, larynx, breast, bladder.
2. Smoking effect air passage way.
3. Smoking effect circulatory system
4. Smoking cause arteriosclerosis and narrowing the arteries.
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What are allergens?

What are allergens?

Answer : Allergens are the chemical or substances that can irritate the respiratory tract are called allergens. For example pollens, fragrant particles, dust particle etc.
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What is osteoarthritis?

What is osteoarthritis?

Answer : It is the types of arthritis due to degeneration in the cartilage present at joints or due to decreased lubricants production at joints. In this arthritis, fusion of bones at joint may occur and joints become totally immoveable.
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What is parthenogenesis? Give example?

What is parthenogenesis? Give example?

Answer : Parthenogenesis is also considered as a asexual reproduction. In it, and unfertilized egg develops into new offspring, some fishes, frogs and insects reproduce by means of parthenogenesis.
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What trachea?

What trachea?

Answer : It is called wind pipe. It Is 12cm long.There are C-shaped cartilaginous ring present in the wall of trachea.The cartilage keep the trachea in position and prevent it from collapsing even there is no air in it.
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What is bronchitis?

What is bronchitis?

Answer : It is the inflammation of the bronchi & bronchioles. It result i more secretions of mucous into these tubes. It leads to selling of tubes.
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What is glottis?

What is glottis?

Answer : Glottis is a narrow opening at the floor of pharynx. Which leads into larynx.The air enters into the larynx through glottis.
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What is the effect of smoking on teeth?

What is the effect of smoking on teeth?

Answer : Smoking causes weakening and staining of teeth.The loss of teeth is 2-3 times higher in smokes than in non-smokers.
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What is sporangium?

What is sporangium?

Answer : It is generally seen in most fungi (e.g Rhizopus) one of the cells enlarges and forms sporangium (spores sac) in which spores are produced by meiosis.
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Define self-pollination?

Define self-pollination?

Answer : Self-pollination is defined as the transfer of pollen grain front the anther to stigma of the some iii flower or other flower of the same plant.
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Does smoking effect only lungs?

Does smoking effect only lungs?

Answer : No, smoking may also effect other organs of body e.g. kidneys, oral cavity, larynx, breast, bladder, pancreas etc.
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Define vegetative propagation? What are its types?

Define vegetative propagation? What are its types?

Answer : When vegetative parts of plants i-e roots, stem or leaves give rise to new plants, the process is called vegetative reproduction or vegetative propagation. It occurs naturally, and can also be brought about artificially.
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What are endospores?

What are endospores?

Answer : Spores formation also occur in bacteria such as clostridium and bacillus species. These bacterial spores are called endospores. They are thick walled and are formed under unfavorable conditions.
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Different between bronchi and bronchioles.

Different between bronchi and bronchioles.

Answer : Trachea divided into two branches which are called bronchi. Each bronchus further divided in to fine tubes called bronchioles.
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How does budding occur in corals?

How does budding occur in corals?

Answer : In corals, the bud do not detach from their parent body. By remaining attached to the main body these form big colonies
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What is multiple fission?

What is multiple fission?

Answer : Some unicellular (e.g amoeba) form hard walls called cysts around them under unfavorable condition. When favorable conditions return, the nucleus of parent divides into many daughter nuclei of cytoplasm into several parts. Each new part of cytoplasm encloses one nucleus. So a number of daughter cells are formed from a single parent at the same time this kind of fission is known as multiple fission.
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What is sexual reproduction?

What is sexual reproduction?

Answer : Sexual reproduction involves the production and fusion of gametes. Special structures produce sperms and egg cells and there are various method in plants for bringing the sperm and egg nuclei together.
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Briefly describe the technique of tissue culture?

Briefly describe the technique of tissue culture?

Answer : Tissues are taken from any part of plants and are put in a suitable nutrient medium. The tissues cells starts mitosis and produce masses of cells called calluses are transferred to other medium that contain different hormones for the formation of roots,stem and leaves. These structure grows into small new plants are them planted in pots and then in fields.
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