SS3 third Term biology Past Questions and Answers

SS3 third Term biology Past Questions and Answers

SS3 Biology questions with options and answers:

Question: Which of the following is responsible for the sense of smell?

A) Retina

B) Olfactory bulb

C) Cochlea

D) Taste buds

Answer: B) Olfactory bulb

Question: The process by which plants lose water through small pores in their leaves is known as:

A) Transpiration

B) Respiration

C) Photosynthesis

D) Evaporation

Answer: A) Transpiration

Question: What is the primary function of the large intestine in the digestive system?

A) Absorption of nutrients

B) Digestion of proteins

C) Storage of bile

D) Absorption of water and formation of feces

Answer: D) Absorption of water and formation of feces

Question: Which of the following is not a type of RNA?

A) mRNA (messenger RNA)

B) tRNA (transfer RNA)

C) rRNA (ribosomal RNA)

D) DNA (deoxyribonucleic acid)

Answer: D) DNA (deoxyribonucleic acid)

Question: What is the role of the thymus gland in the immune system?

A) Produce insulin

B) Maturation of T-lymphocytes

C) Digest proteins

D) Produce antibodies

Answer: B) Maturation of T-lymphocytes

Question: The process of breaking down glucose to release energy in the absence of oxygen is called:

A) Glycolysis

B) Krebs cycle

C) Fermentation

D) Electron transport chain

Answer: C) Fermentation

Question: Which of the following is a viral disease in humans?

A) Tuberculosis

B) Malaria

C) Influenza

D) Typhoid

Answer: C) Influenza

Question: What is the function of the Eustachian tube in the ear?

A) Maintain balance

B) Transmit sound waves

C) Equalize air pressure

D) Detect taste

Answer: C) Equalize air pressure

Question: The process of converting light energy into electrical signals in the retina is performed by:

A) Rod cells

B) Cone cells

C) Ganglion cells

D) Bipolar cells

Answer: B) Cone cells

Question: What is the role of the enzyme amylase in the saliva?

A) Break down proteins

B) Break down lipids

C) Break down carbohydrates

D) Break down nucleic acids

Answer: C) Break down carbohydrates

Question: The process of DNA fingerprinting is based on:

A) Restriction enzymes

B) Polymerase chain reaction (PCR)

C) Gel electrophoresis

D) All of the above

Answer: D) All of the above

Question: What is the function of the adrenal glands?

A) Regulate calcium levels

B) Control blood sugar levels

C) Produce adrenaline and cortisol

D) Filter blood

Answer: C) Produce adrenaline and cortisol

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

A) Natural gas

B) Nuclear power

C) Solar power

D) Coal

Answer: C) Solar power

Question: The process of nitrogen removal from the body through urine is called:

A) Denitrification

B) Nitrogen fixation

C) Ammonification

D) Nitrogen excretion

Answer: D) Nitrogen excretion

Question: What is the function of antibodies in the immune system?

A) Carry oxygen

B) Fight infections

C) Transport nutrients

D) Aid in digestion

Answer: B) Fight infections

Question: In which part of the flower does pollination occur?

A) Petals

B) Stigma

C) Sepals

D) Ovary

Answer: B) Stigma

Question: Which of the following is a characteristic of both prokaryotic and eukaryotic cells?

A) Presence of a nucleus

B) Absence of a cell membrane

C) Lack of genetic material

D) Presence of chloroplasts

Answer: A) Presence of a nucleus

Question: What is the main function of the trachea in the respiratory system?

A) Exchange of gases

B) Filtration of air

C) Transport of oxygenated blood

D) Conduction of air to the lungs

Answer: D) Conduction of air to the lungs

Question: Which type of reproduction involves the fusion of gametes?

A) Asexual reproduction

B) Binary fission

C) Sexual reproduction

D) Budding

Answer: C) Sexual reproduction

Question: What is the function of the pituitary gland in the endocrine system?

A) Regulate blood pressure

B) Control growth and development

C) Produce insulin

D) Digest proteins

Answer: B) Control growth and development