CSEC Integrated Science: End of Term Practice

The structure responsible for the transfer of characteristics from parent to offspring is the

• Vacuole

• Cytoplasm

• Chromosomes

• Cell membrane

Answer explanation

Chromosomes are thread-like structures located inside the nucleus of animal and plant cells. It contains protein and DNA which contains specific information that makes each organism unique.

The structure labeled number 13 is

• Nucleus

• Vacuole

• Cell Wall

• Chlorolast

The structure labeled number 4 is

• Nucleus

• Vacuole

• Cell Wall

• Chloroplast

Which of the following word equations CORRECTLY summarizes the process of photosynthesis?

• Glucose + Oxygen → Carbon Dioxide + Water + Energy

• Glucose + Light Energy (Chlorophyll) → Oxygen + Carbon Dioxide + Water

• Carbon Dioxide + Water → Glucose + Energy + Oxygen

• Carbon Dioxide + Sunlight + Water → Glucose + Oxygen

Which nutrient is responsible for building strong muscles?

• Fats

• Sugar

• Starch

• Protein

In which of the following processes is glucose converted into Carbon Dioxide, water and energy?

• Digestion

• Excretion

• Respiration

• Fermentation

Which of the following energy conversions takes place during the process of photosynthesis?

• Heat → Light

• Light → Kinetic

• Chemical → Heat

• Light → Chemical

The SI unit of energy in food is measured in

• Watts

• Degree Celsius

• Kilometers

• Kilojoules

Answer explanation

Kilojoules (kj) is one of the most recent measurements being used along with Kilocalories (kcal). However, Joules (j) and Calories (cal) is still widely recognized.

Which of the following is the correct order, from front to back of teeth in the mouth of the human being?

• Canines/Incisors/Molars/Premolars

• Canines/Premolars/Incisors/Molars

• Incisors/Canines/Premolar/Molar

• Incisors/Premolar/Canines/Incisors

Which of the following processes is associated with the removal of undigested food from the body?

• Egestion

• Absorption

• Excretion

• Ingestion