Practice Biology GS Questions and Answers

• Which drug is used as an antidepressant?
• Which part of the brain is responsible for actions like thinking, intelligence, memory, and learning?
• Photosynthesis takes place inside plant cells in:
• The primary function of RNA is:
• Hemoglobin has the highest affinity with which gas?
• Which substance is secreted by the liver?
• The wilting of plants occurs due to:
• The yellow color of human urine is due to:
• Which is the largest part of the human brain?
• Which cells give rise to various organs of the plant and keep the plant growing?
• The contraction of the heart is also known as:
• Prothrombin, which is responsible for blood clotting, is released by:
• Which organism does not fit into the cell theory?
• Achras sapota is the scientific name of:
• The later (second) formed primary xylem elements are called:
• In the names Mangifera indica (mango), Solanum tuberosum (potato), and Panthera leo (lion), what do the names indica, tuberosum, and leo represent?
• What is the plant cell wall mainly composed of?
• How many pairs of ribs are there in the human body?
• Vitamin A is also known as:
• Which organ is known as the "Biochemical Laboratory" of the human body?
• Sugarcane is classified as a:
• Which is the second-largest animal phylum?
• What is the structural and functional unit of the kidneys?
• Intestinal bacteria synthesize which vitamin in the human body?
• What is an excretory organ of the cockroach?
• Sycon (Scypha), Spongilla (Freshwater sponge), and Euspongia (Bath sponge) are examples of which phylum?
• Which of the following organs does not secrete digestive enzymes?
• Which of the following substances is not digested by the human body?
• What is the term for the development of fruit without fertilization or pollination?
• Monocotyledons and dicotyledons are subdivisions of which plant group?
• Algae and fungi belong to which plant group?
• Which organelle is responsible for producing ATP in a cell?
• Which connective tissue connects muscle to bone?
• Which muscle is recognized as the longest in the human body?
• Which gland regulates the activity of other endocrine glands in the body?
• Nyctalopia, or night blindness, is caused by a deficiency in which vitamin?
• Which of the following is the smallest known flowering plant?
• What is the living substance of a cell that surrounds the cell membrane, nucleus, and cytoplasm called?
• Adipose tissue is an example of which type of tissue?
• In which part of the nervous system are interneurons typically found?