Read the given passage carefully and fill in the blanks by selecting an appropriate option. In genetics, (i) are the basic units of heredity. They are located on (ii) within the cell nucleus. The (iii) determines the physical characteristics of an organism. During reproduction, (iv) cells combine to form a (v) . (i) (ii) (iii) (iv) (v)

Genes Chromosomes DNA Gamete Zygote

Chromosomes Genes DNA Zygote Gamete

Genes Chromosomes RNA Zygote Gamete

Chromosomes Genes RNA Gamete Zygote

Read the given passage carefully and fill in the blanks by selecting an appropriate option. Sound is a type of (i) wave that travels through a medium. It cannot travel through a (ii) . The (iii) of a sound wave determines its pitch, and the (iv) of the wave determines its loudness. The speed of sound is fastest in (v) . (i) (ii) (iii) (iv) (v)

Longitudinal Vacuum Frequency Amplitude Solids

Transverse Vacuum Amplitude Frequency Liquids

Longitudinal Medium Amplitude Frequency Solids

Transverse Medium Frequency Amplitude Gases

Read the following paragraph about matter and select the incorrect statement regarding it. Matter is anything that has mass and occupies space. It exists in three states: solid, liquid, and gas. Solids have a definite shape and volume, liquids have a definite volume but take the shape of their container, and gases have neither a definite shape nor volume. Matter undergoes physical and chemical changes, such as melting, freezing, and reacting with other substances.

Matter is anything that has mass and occupies space.

Solids have a definite shape and volume.

Gases have a definite shape and volume.

Matter undergoes physical and chemical changes.

Read the given paragraph about ecosystems and select the incorrect statement regarding them. Ecosystems are communities of organisms interacting with their physical environment. They can be terrestrial or aquatic, ranging from deserts to rainforests and oceans. Producers, such as plants, convert sunlight into energy through photosynthesis, forming the base of the food chain. Consumers feed on producers or other consumers, transferring energy through the ecosystem. Ecosystems are stable and unchanging over time.

Ecosystems are communities of organisms interacting with their physical environment.

Producers convert sunlight into energy through photosynthesis.

Consumers transfer energy through the ecosystem.

Ecosystems are stable and unchanging over time.

Select the incorrect statement.

Mitochondria are organelles responsible for cellular respiration.

Chloroplasts are organelles found in plant cells where photosynthesis occurs.

Ribosomes are responsible for protein synthesis in a cell.

Lysosomes are organelles that contain digestive enzymes to break down waste materials.

Select the incorrect statement.

Genes are segments of DNA that encode specific proteins.

Meiosis is a process that produces haploid gametes from diploid cells.

Evolution is a gradual process of change and adaptation of species over generations.

Fungi and plants are classified under the kingdom Animalia.

An ester ‘F’ with the formula C 4 H 8 O 2 is commonly found in fruits. Compound (F) contains

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

One C–C single bond and one C=O double bond

One C–C single bond and two C=O double bonds

One C=C double bond and one O–H single bond

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