MEDIUM
10th Uttar Pradesh Board
IMPORTANT
Earn 100

Plastic insulation surrounds a wire having diameter d and length l as shown above. A decrease in the resistance of the wire would be produced by an increase in the

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Important Questions on Sample Paper 1

MEDIUM
10th Uttar Pradesh Board
IMPORTANT
Science Crash Course (Based on Revised Syllabus-2023)>Chapter 14 - Sample Paper 1>Exercise>Q 16
Which of the following pattern correctly describes the magnetic field around a long straight wire carrying current?
MEDIUM
10th Uttar Pradesh Board
IMPORTANT
Science Crash Course (Based on Revised Syllabus-2023)>Chapter 14 - Sample Paper 1>Exercise>Q 18
Assertion: Height in pea plants is controlled by efficiency of enzymes and is thus genetically controlled.
Reason: Cellular DNA is the information source for making proteins in the cell.
MEDIUM
10th Uttar Pradesh Board
IMPORTANT
Science Crash Course (Based on Revised Syllabus-2023)>Chapter 14 - Sample Paper 1>Exercise>Q 19
Assertion: Amphibians can tolerate mixing of oxygenated and deoxygenated blood.
Reason: Amphibians are animals with two chambered heart.
HARD
10th Uttar Pradesh Board
IMPORTANT
Science Crash Course (Based on Revised Syllabus-2023)>Chapter 14 - Sample Paper 1>Exercise>Q 21
A clear solution of slaked lime is made by dissolving CaOH2 in an excess of water. This solution is left exposed to air. The solution slowly goes milky as a faint white precipitate forms. Explain why a faint white precipitate forms, support your response with the help of a chemical equation. 
HARD
10th Uttar Pradesh Board
IMPORTANT
Science Crash Course (Based on Revised Syllabus-2023)>Chapter 14 - Sample Paper 1>Exercise>Q 22

Keerti added dilute Hydrochloric acid to four metals and recorded her observations as shown in the table given below: 

Metal Gas evolved
Copper Yes
Iron Yes
Magnesium No
Zinc Yes

Select the correct observation(s) and give chemical equation (s) of the reaction involved. 

HARD
10th Uttar Pradesh Board
IMPORTANT
Science Crash Course (Based on Revised Syllabus-2023)>Chapter 14 - Sample Paper 1>Exercise>Q 23
How is the mode of action in beating of the heart different from reflex actions? Give four examples.
MEDIUM
10th Uttar Pradesh Board
IMPORTANT
Science Crash Course (Based on Revised Syllabus-2023)>Chapter 14 - Sample Paper 1>Exercise>Q 24
Patients whose gallbladder are removed are recommended to eat less oily food. Why?
MEDIUM
10th Uttar Pradesh Board
IMPORTANT
Science Crash Course (Based on Revised Syllabus-2023)>Chapter 14 - Sample Paper 1>Exercise>Q 25
Name the substances other than water, that are reabsorbed during urine formation. What are the two parameters that decide the amount of water that is reabsorbed in the kidney?