Fill in the following blanks with suitab...

Fill in the following blanks with suitable words:
(a) The organs of respiration in man are the ........
(b) The actual exchange of gases takes place in the ....... of the lungs.
(c) ........ in the lungs provide a very large surface area for gaseous exchange.
(d) Yeast undergoes.... respiration whereas Amoeba undergoes....... respiration
(e) Gills are the breathing organs in......

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The correct Answer is:

(a) lungs (b) alveoli (c) Alveoli (d) anaerobic; aerobic (e) fish

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Fill in the following blanks with suitable words : (a) Genes always work in ................ . (b) In pea plants, the gene for dwarfness is ............... Whereas that for tallness is .............. . (c) Most people have ............ earlobes but some have ............... earlobes . (d) A human gamete contains ........... chromosomes whereas a normal body cell has ............... chromosomes in it. (d) All races of man have ........... blood groups . (f) The .............. chromosomes for a ............. are XX whereas that for a ............. are XY .

Fill in the following blanks with suitable words : Pollen grains contain .........gametes fo a plant. (b) Ovules contain .......... gametes of a plant (c) The ovary of a flower becomes ..........after fertilisation. (d) The ovule becomes a .......... after fertilisation. (e) Flowering plants reproduce by .......... method of reproduction (f) The female organ of reproduction in the flower is the ......... (g) The male organ of reroduction in the flower is the......... (h) The name of the structue in the flower in which the male gamete is formed is.......... (i) The .......... at the base of the carple contains egg cell. (j) The term used to refer to the transfer of pollen from the stamen of one flowr to the carpel of another flower of the same species is ......... (k) The cells involved in sexual reproduction are called.......... (l) Fussion of gametes gives rist to a single cell called.......... (m) The process of fussion of gametes is called .......... (n) A multicellular animal starts its life from a ........... through sexual reproduction. (o) The union of a sperm nucelus with an egg nucleus is known as ........... and results in a ..........egg. (p) The menstrual cycle in controlled by .........

How does the total surface area through which the exchange of gases can take place in the lungs become large?What is its advantage?

Fill in the following blanks with suitable words : (a) Gums and resins are the ........ Products of plants (b) Bowman's capsule and tubule taken together make a ...... (c) The organs which extract the nitrogenous wastes from the blood are..... (d) The extracellular fluid which always flows from body tissues to the heart is called ...... (e) The ....... blood cell make antibodies whereas ...... blood cells help in respiration

Fill in the following blanks with suitable words : (a) Decomposer organisms are ……….. In their action. (b) In nature, all green plants are ………... Whereas animals are consumers. (c) A series of organisms, each of which feeds on the next organism, the beginning of which is a green plant, is called a ............. (d) The science that deals with the inter-relationships of living things with one another and their environment is called .......... (e) Plastic is a ................. material whereas paper is a .......... meterial.

Fill in the following blanks with suitable words : (a) The human forelimb and bat's forelimb are an example of ................ Organs whereas an insect's wing and a bat's wing are an example of .............organs. (b) The evolution of eye is an example of evolution by .............. (c) The scientific name of all human beings is ............ (d) Broccoli has evolved from............ by the process of artificial selection. (e) The theory of natural selection for evolution was proposed by .............

Fill in the following blanks with suitable words : (a ) Force acting on a units area is called …….. (b) It is the …..force which makes objects appear lighter in water (c ) A heavy ship floats in water because its ………….density is less than that of water . (d ) In fluids (liquids and gases ), pressure acts in .........direction ,and pressure .....as the depth increases, (e ) In order to sink in fluid ,the density of an object must be .........than the ...... of the fluid . (f ) snow shoes work by spreding out a preson's ........over a much bigger ..........

Fill in the following blanks with suitable words: (a) The acceleration due to gravity on the moon is about . (b) In order that the force of gravitation between two bodies may become noticeable and cause motion, one of the bodies must have an of that on the earth. extremely large ( c) The weight of an object on the earth is about ........of its weight on the moon. (d) The weight of an object on the moon is about (e) The value of g on the earth is about .... of that on the moon.

Fill in the following blanks with suitable words : (a) Gases can be liquefied by applying ……….. And lowering ……….. (b) When steam condenses to form water, heat is ……….. (c ) Temp on Kelvin scale = Temp on Celsius scale + ………. (d) Scientists say that there are actually five states of matter : solid, liquid, gas, ......... and ........... (e) The state of matter called ........... makes a fluorescent tube (or neon sign bulb) to glow.

LAKHMIR SINGH & MANJIT KAUR-LIFE PROCESSES-Exercise

In the lungs : (a) what substance is taken into the body ? (b) wha...
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State whether the following statements are true or false: (a) During...
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Fill in the following blanks with suitable words: (a) The organs of ...
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Explain why, a land plant may die if its roots remain waterlogged for ...
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What are the differences between aerobic and anaerobic respiration? Na...
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Name the final product/products obtained in the anaerobic respiration,...
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Name the substance whose build up in the muscles during vigorous physi...
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Name the type of respiration in which the end products are: (a) C(2)...
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Define breathing. State the differences between breathing and respirat...
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What are the different ways in which glucose is oxidised to provide en...
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Explain why, when air a taken in and let out during breathing, the lun...
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Explain why, it is dangerous to inhale air containing cabon monoxide
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Describe the process of respiration in Amoeba. State whether it is ana...
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State the three common features of all the respiratory organs like ski...
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What would be the consequences of a deficiency of haemoglobin in our b...
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(a) What is meant by aquatic animals and terrestiral animals ? (b) F...
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Why do fish die when taken out of water ?
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Why is the rate of breathing in aquatic organisms much faster than in ...
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Name the energy currency in the living organisms .When and where is it...
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Why do animals consume more energy as compared to plants
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