SS1 Second Term Biology Past Questions and Answers

Here are SS1 biology questions with options and answers:

Question: What is the function of the chloroplast in plant cells?

a) Cellular respiration

b) Protein synthesis

c) Photosynthesis

d) Lipid synthesis

Answer: c) Photosynthesis

Question: Which type of cell division is responsible for the formation of gametes (sperm and egg cells)?

a) Mitosis

b) Meiosis

c) Binary fission

d) Budding

Answer: b) Meiosis

Question: Which biomolecule is primarily composed of amino acids and is involved in various cellular functions?

a) Carbohydrates

b) Lipids

c) Proteins

d) Nucleic acids

Answer: c) Proteins

Question: What is the role of DNA in the cell?

a) Energy storage

b) Cellular respiration

c) Genetic information storage and transmission

d) Protein synthesis

Answer: c) Genetic information storage and transmission

Question: Which environmental factor is necessary for the process of photosynthesis to occur?

a) Oxygen

b) Carbon dioxide

c) Nitrogen

d) Hydrogen

Answer: b) Carbon dioxide

Question: In the scientific classification system, what comes after “class”?

a) Order

b) Phylum

c) Family

d) Genus

Answer: a) Order

Question: What is the function of the cilia and flagella in cells?

a) Cellular respiration

b) Movement of the cell

c) Protein synthesis

d) DNA replication

Answer: b) Movement of the cell

Question: Which structure is responsible for the storage of water, nutrients, and waste products in plant cells?

a) Lysosome

b) Vacuole

c) Golgi apparatus

d) Endoplasmic reticulum

Answer: b) Vacuole

Question: What is the function of the enzyme amylase in digestion?

a) Protein breakdown

b) Fat digestion

c) Starch digestion

d) Nucleic acid synthesis

Answer: c) Starch digestion

Question: Which gas is released as a byproduct of cellular respiration?

a) Oxygen

b) Carbon dioxide

c) Nitrogen

d) Hydrogen

Answer: b) Carbon dioxide

Question: What is the primary function of red blood cells?

a) Immune response

b) Oxygen transport

c) Digestion

d) Hormone production

Answer: b) Oxygen transport

Question: In what part of the flower are the ovules located?

a) Petal

b) Stamen

c) Pistil

d) Sepal

Answer: c) Pistil

Question: Which process involves the movement of water across a semipermeable membrane?

a) Active transport

b) Osmosis

c) Facilitated diffusion

d) Simple diffusion

Answer: b) Osmosis

Question: What is the purpose of the nervous system in the human body?

a) Transport of nutrients

b) Regulation of body temperature

c) Coordination and communication

d) Oxygen exchange

Answer: c) Coordination and communication

Question: What is the main function of the pancreas in the digestive system?

a) Producing bile

b) Storing nutrients

c) Regulating blood sugar levels

d) Absorbing water

Answer: c) Regulating blood sugar levels

Question: Which hormone is responsible for regulating the body’s metabolism?

a) Insulin

b) Estrogen

c) Thyroxine

d) Testosterone

Answer: c) Thyroxine

Question: What is the purpose of the mucus in the respiratory system?

a) Oxygen transport

b) Trapping and removing particles

c) Acid secretion

d) Nutrient absorption

Answer: b) Trapping and removing particles

Question: Which structure connects the muscles to the bones?

a) Ligament

b) Tendon

c) Cartilage

d) Joint

Answer: b) Tendon

Question: What is the primary function of the immune system?

a) Oxygen transport

b) Protection against pathogens

c) Digestion

d) Hormone production

Answer: b) Protection against pathogens

Question: Which of the following is an example of a renewable energy source?

a) Coal

b) Solar power

c) Natural gas

d) Nuclear power

Answer: b) Solar power