Recent questions tagged biology 9th

Description : Best Mind Map or Flow Chart of Floatation class 9th Biology -Biology 9th

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Description : Best Mind Map or Flow Chart of natural Resources Ch -15 class 9th Biology -Biology 9th

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Description : Best Mind Map or Flow Chart of improvement in food resources Ch -16 class 9th Biology -Biology 9th

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Description : What is the Power house of the Cell -Biology 9th

Last Answer : Mitochondria

Description : List any two differences between striated and cardiac muscle with respect to their structure and location. -Biology 9th

Last Answer : Difference between striated, unstriated and cardiac muscles Striated muscles Unstriated muscles Cardiac musclesStructure Also known as skeletal muscles, they are striated, tubular, multinucleated, unbranched and tubular ... are found in walls of internal organs.They are found in walls of heart.

Description : How will absence of any one of the cell organelle affect the cell’s working? -Biology 9th

Last Answer : Functions of all the organelles are inter-linked to each other and ultimately to the working of the example cell. So, if even a single link is missing, the cell ultimately suffers and die. ... formation to the ribosomes which send the proteins to Golgi complex and ER for modification and transport.

Description : Briefly describe striated and smooth muscles with their functions. -Biology 9th

Last Answer : Striated muscles provide the force for locomotion and all other voluntary movements of the body. The smooth muscles are also known as unstriated or involuntary muscles. Smooth muscles occur as bundles ... fusiform or spindle-shaped cells or fibres. They are held together by loose connective tissue.

Description : What are involuntary muscles? Where are they found? -Biology 9th

Last Answer : Involuntary muscles are the muscles which contract without conscious control. The contraction is controlled by the autonomic nervous system. These are present in the walls of the digestive system, blood vessels, bronchi, uterus and bladder.

Description : What is the lining of the small intestine made up of? -Biology 9th

Last Answer : columnar epithelial tissue

Description : What is the lining of blood vessels made up of? -Biology 9th

Last Answer : Lining of blood vessels are made up of squamous eithelium.

Description : Explain how are messages conveyed from one place to another within the body? -Biology 9th

Last Answer : Nervous tissue is made up of neurons that receive and conduct impulses. Neurons are highly specialised for being stimulated and then transmitting the stimulus very rapidly from one place to another within the body. Impulses are the passage of electrical activity along the axon of a nerve cell.

Description : Differentiate between diffusion and osmosis. -Biology 9th

Last Answer : Difference between Osmosis and DiffusionOsmosisDiffusionIt is limited only to the liquid medium.Occurs in liquid, gas and even solids.Requires a semipermeable membrane.Does not require a semipermeable membrane. ... to a glass of water, where eventually, the entire water content becomes coloured.

Description : Give one reason for the following statements : (a) The blood is called connective tissue. (b) Muscles are able to contract and relax to bring about movements. (c) Muscles of heart are called involuntary muscles. -Biology 9th

Last Answer : a) blood flows in every part of our body and thus connecting every part of our body and hence blood is known as liquid connective tissue b)as skeletal muscles contracts and relax as they have special ... c)muscle of heart are known as involuntary muscle because we can't control them by our own will

Description : Name the tissue responsible for movement in our body. -Biology 9th

Last Answer : The tissue responsible for movement in our body is the muscular tissue. Structurally, muscular tissue are elongated and are made up of several fibres of muscle cells. Muscle tissue is soft ... three types of muscle tissues in our body. They are as follows: Cardiac muscleSmooth muscleSkeletal muscle

Description : Which tissue makes up the husk of coconut? -Biology 9th

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Description : (a) State the constituents of phloem ? (b) How does cork act as a protective tissue ? -Biology 9th

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Description : Name the element(s) of xylem which (i) help in transport of water and minerals, (ii) stores food, and (iii) provides mechanical support -Biology 9th

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Description : Briefly describe striated and smooth muscles with their functions. -Biology 9th

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Description : How will absence of any one of the cell organelle affect the cell’s working? -Biology 9th

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Description : What are involuntary muscles? Where are they found? -Biology 9th

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Description : What is the lining of the small intestine made up of? -Biology 9th

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Description : What is the lining of blood vessels made up of? -Biology 9th

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Description : Explain how are messages conveyed from one place to another within the body? -Biology 9th

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Description : Differentiate between diffusion and osmosis. -Biology 9th

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Description : There would be no plant life if chloroplasts did not exist. Justify. -Biology 9th

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Description : Which cells are responsible for contraction and relaxation movements? -Biology 9th

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Description : Which animal tissue helps in repair of tissue and fills the space inside the organ? -Biology 9th

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Description : Name the muscular tissue that functions throughout life without fatigue. -Biology 9th

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Description : hat are chromosomes made up of? -Biology 9th

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Description : Plasma membrane is made up of which two components? -Biology 9th

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Description : CBQ's (case base study ) , MCQs and Practice questions of chapter 5 Cell-Fundamental unit of life Science class 9 -Biology 9th

Last Answer : MCQs Class 9th Biology Ch-5 The Fundamental Unit of Life Question 1 Which of the following can be made into crystal? (a) A Bacterium (b) An Amoeba (c) A Virus (d) A Sperm Answer 1 (c) Question 2 A cell will swell ... (v) Suicidal bag and nucleolus Answer 10 a-iv; b-v; c-iii; d-i; e-ii Q

Description : Cbqs (case based study) of chapter 11Why do we fall ill Science class 9 -Biology 9th

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Description : Cbqs (case based study) of chapter 6 Tissues Science class 9 -Biology 9th

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