A hydrocarbon ‘A’ with the formula C 3 H 8 is used as a fuel. Compound (A) contains

Three C–H single bonds and two C=C double bonds

Seven C–H single bonds and one C&equiv;C triple bond

Eight C–H single bonds and no multiple bonds

Six C–H single bonds and one C=C double bond

Read the given passage carefully and fill in the blanks by selecting an appropriate option. During the process of (i) , liquid water changes into water vapor. This process occurs more quickly at higher (ii) . The (iii) , on the other hand, is the process by which water vapor changes back into liquid water. This usually happens when the air is (iv) and can no longer hold all the water vapor. Both these processes are part of the (v) cycle.

Evaporation Temperature Condensation Warm Water

Condensation Temperature Evaporation Cool Water

Evaporation Humidity Condensation Warm Carbon

Condensation Temperature Evaporation Cool Nitrogen

Read the following paragraph about electricity and select the incorrect statement regarding it. Electricity is the flow of electric charge through conductors such as metals or electrolytes. It can be generated by moving a magnet through a coil of wire or through chemical reactions in batteries. Electric current is measured in amperes (A), and voltage is measured in volts (V). Electrical resistance opposes the flow of current in conductors.

Electricity is the flow of electric charge through conductors.

Electric current is measured in amperes (A).

Voltage is measured in volts (V).

Electrical resistance increases the flow of current in conductors.

Select the incorrect statement.

Fungi are organisms that can be unicellular or multicellular.

Bacteria are prokaryotic organisms that lack a nucleus.

Viruses are considered living organisms because they can replicate and evolve.

Protozoa are single-celled eukaryotic organisms.

A sugar molecule ‘B’ with the formula C 6 H 12 O 6 is a primary energy source for cells. Compound (B) contains

C–C single bonds and C=O double bonds

Read the given passage carefully and fill in the blanks by selecting an appropriate option. An atom consists of a nucleus made up of (i) and (ii) . The (iii) revolve around the nucleus in specific orbits. The number of (iv) in an atom determines its element, and the number of (v) determines its isotope.

Protons Neutrons Electrons Protons Neutrons

Neutrons Protons Electrons Neutrons Protons

Electrons Neutrons Protons Neutrons Protons

Protons Electrons Neutrons Electrons Protons

Read the given paragraph about genetics and select the incorrect statement regarding it. Genetics is the branch of biology that studies genes, heredity, and genetic variation in living organisms. Genes are segments of DNA that encode specific traits or proteins. In sexual reproduction, offspring inherit genetic material from both parents, leading to genetic diversity. Genetic engineering allows scientists to modify DNA for various purposes, such as improving crop yields or treating genetic disorders.

Genetics studies genes, heredity, and genetic variation.

Genes are segments of RNA that encode specific traits or proteins.

Offspring inherit genetic material from both parents in sexual reproduction.

Genetic engineering allows scientists to modify DNOption A:

Select the incorrect statement.

Newton's first law of motion states that an object at rest will remain at rest unless acted upon by an external force.

Acceleration is the rate of change of velocity of an object with respect to time.

Inertia is the tendency of an object to resist a change in its state of motion.

Work done is defined as the product of force and distance moved in the direction of the force.

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