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Practice Biology GS Questions and Answers

Who founded binomial nomenclature?
What are the respiratory organs of insects?
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?

Practice Biology GS Questions and Answers

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Practice Biology GS Questions and Answers

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