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Clever Monkey`s CBSE X SCIENCE QUESTION 1-01
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Explain that it is a matter of chance whether a couple will give birth to a boy or a girl.
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Clever Monkey`s CBSE X SCIENCE QUESTION 1-02
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Which hormone is released into blood when its sugar level rises? Name the organ which produces the hormone and its effect on blood sugar level.
Also name one digestive enzyme
that this organ secretes and the function of this enzyme
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Clever Monkey`s CBSE X SCIENCE QUESTION 1-03
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Quote three instances where human intervention saved the forests from destruction.
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Clever Monkey`s CBSE X SCIENCE QUESTION 1-04
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Select the biodegradable items from the list given below.
Polythene bags, old clothes, wilted flowers, pencil shavings, glass bangles, bronze statue,vegetable peels.
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Clever Monkey`s CBSE X SCIENCE QUESTION 1-05
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Write one feature which is common to each of the following pairs of terms / organs.
(i) glycogen and starch ;
(ii) chlorophyll and haemoglobin
(iii) gills and lungs
(iv) arteries and veins
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Clever Monkey`s CBSE X SCIENCE QUESTION 1-06
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The human hand, cat paw and the horse foot, when studied in detail show the same structure
of bones and point towards a common origin.
(i) What do you conclude from this?
(ii) What is the term given to such structures?
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Clever Monkey`s CBSE X SCIENCE QUESTION 1-07
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‘Malarial parasite’ divides into many daughter individuals simultaneously through multiple
fission. State an advantage the parasite gets because of this type of reproduction.
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Clever Monkey`s CBSE X SCIENCE QUESTION 1-08
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Justify in one sentence that hydropower (hydel electricity) is a renewable source of
energy.
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Clever Monkey`s CBSE X SCIENCE QUESTION 1-09
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Plants absorb water from the soil. How does this water reach the tree tops? Explain in
detail
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Clever Monkey`s CBSE X SCIENCE QUESTION 1-10
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(i) Draw the diagram of heart and label its four chambers
(ii) Construct a table to show the functions of these four chambers.
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Clever Monkey`s CBSE X SCIENCE QUESTION 1-11
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The genotype of green stemmed tomato plants is denoted as GG and that of purplestemmed
tomato plants as gg. When these two are crossed,
(i) What colour of stem would you expect in their F1 progeny?
(ii) Give the percentage of purple-stemmed plants if F1 plants are self pollinated.
(iii) In what ratio would you find the genotypes GG and Gg in the F2 progeny?
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Clever Monkey`s CBSE X SCIENCE QUESTION 1-12
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How did the ‘Chipko andolan’ ultimately benefit the local population?
Give any two benefits.
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Clever Monkey`s CBSE X SCIENCE QUESTION 1-13
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Name those parts of the flower which serve the same function as the following do in the
animals:-
(i) testis (ii) ovary (iii) eggs (iv) sperms
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Clever Monkey`s CBSE X SCIENCE QUESTION 1-14
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Why are many thermal power plants set up near coal or oilfields?
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CBSE X SCIENCE QUESTION 1-15
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A particular hormone requires lodine for its synthesis. Name the endocrine gland which
secretes this hormone and state its location in the human body.
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The CBSE questions are selected in such a way that if they are able to attend these questions, they will be confident of understanding the concepts. This site is purely an educational portal and here i am keeping CBSE sample papers and CBSE questions bank.CBSE Stands for Central Board of Secondary Education,
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