When you accidentally touch a hot object, you withdraw your hand immediately without thinking. This type of response is called:
AA voluntary action controlled by the brain
BA reflex action controlled by the spinal cord
CA hormonal response
DA tropic movement
Class 6Science
Heat always flows from:
AColder object to hotter object
BHotter object to colder object
CHeavier object to lighter object
DSmaller object to larger object
Class 10Science
Which gas is released during the reaction of dilute hydrochloric acid with zinc granules?
AHydrogen gas
BChlorine gas
COxygen gas
DZinc vapour
Class 10Science
The reaction of calcium oxide with water to form calcium hydroxide is:
AEndothermic
BExothermic
CRedox
DDisplacement
Class 6Science
Which of the following materials is a good conductor of electricity?
ARubber
BCopper
CWood
DPlastic
Class 6Science
Which of the following planets is the largest planet in our solar system?
ASaturn
BNeptune
CJupiter
DEarth
Class 6Science
The basic unit of the human excretory system is:
ANeuron
BNephron
CAlveolus
DVillus
Class 8Science
Which of the following forces acts between charged objects without physical contact?
AFrictional force
BGravitational force
CElectrostatic force
DMagnetic force
About Science Mock Tests
Science covers physics, chemistry, and biology concepts for classes 6 through 10 as per NCERT and CBSE curriculum. Topics include matter, energy, force, light, sound, electricity, magnetism, chemical reactions, acids and bases, metals and non-metals, cell biology, anatomy, ecology, environment, and scientific methods. Practice with comprehensive science questions to build conceptual clarity and prepare for Class 6-10 examinations and competitive science tests.
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