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10th Goa Board
IMPORTANT
Earn 100

An element which is necessary for the thyroid gland to make thyroxine hormone is

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Important Questions on Solved Science Paper-1

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10th Goa Board
IMPORTANT
Science Crash Course (Based on Revised Syllabus-2023)>Chapter 17 - Solved Science Paper-1>Exercise>Q 6
Unsaturated carbon compounds are more reactive than saturated compounds. Give reason. 
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10th Goa Board
IMPORTANT
Science Crash Course (Based on Revised Syllabus-2023)>Chapter 17 - Solved Science Paper-1>Exercise>Q 8
The brain is contained in a fluid filled balloon inside the cranium. Give a reason. 
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10th Goa Board
IMPORTANT
Science Crash Course (Based on Revised Syllabus-2023)>Chapter 17 - Solved Science Paper-1>Exercise>Q 11
Mendeleev predicted the existence of some elements which were discovered later and found place in the periodic table. One such element was _____.
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10th Goa Board
IMPORTANT
Science Crash Course (Based on Revised Syllabus-2023)>Chapter 17 - Solved Science Paper-1>Exercise>Q 12
Element that was earlier named as Eka-Aluminium in Mendeleev’s Periodic Table was ______.
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10th Goa Board
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Science Crash Course (Based on Revised Syllabus-2023)>Chapter 17 - Solved Science Paper-1>Exercise>Q 18

Attempt the following:

Food chain consists of only three to four steps. Why?

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10th Goa Board
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Science Crash Course (Based on Revised Syllabus-2023)>Chapter 17 - Solved Science Paper-1>Exercise>Q 20

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No two field lines are found to cross each other. Why?

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10th Goa Board
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Science Crash Course (Based on Revised Syllabus-2023)>Chapter 17 - Solved Science Paper-1>Exercise>Q 21

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Write any two characteristics of the magnetic field.

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10th Goa Board
IMPORTANT
Science Crash Course (Based on Revised Syllabus-2023)>Chapter 17 - Solved Science Paper-1>Exercise>Q 23
On what principle does electric motor work?