Biology MCQ Online Quiz

Q1. In which organ the RBC is synthesised
(A) Spleen
(B) Bone marrow
(C) Liver
(D) Heart

Q2. The process of improving human race genetically is called
(A) Eugenics
(B) Euthenics
(C) Euphenics
(D) All of these

Q3. Identify the blood vessel that carries deoxygenated blood to the lungs
(A) Aorta
(B) Pulmonary artery
(C) Hepatic artery
(D) Pulmonary vein

Q4. Which cell organelle is known as the suicide bags of cells
(A) Ribosomes
(B) Golgi bodies
(C) Lysosomes
(D) Nucleoli

Q5. Which one Live tissue of human eye that does not have blood vessels
(A) Retina
(B) Sclera
(C) Cornea
(D) Iris

Q6. The stress hormone of the plant is
(A) Brassinosteroid
(B) Abscisic acid
(C) Cytokines
(D) Ethylene

Q7. The term "ecosystem" was first proposed by
(A) A.G. Tansely
(B) H.T. Odum
(C) Karl Mobius
(D) None of these

Q8. Biological agents can be used to reduce the toxic nature of solid and liquid wastes. The process is called
(A) Biodegradation
(B) Composting
(C) Recycling
(D) Bioremediation

Q9. Which creatures are used in vermicomposting
(A) Ants
(B) Earthworms
(C) Lizards
(D) Microorganisms

Q10. An organism with 3 pairs of chromosomes will have ____________ sister chromatids at the end of metaphase
(A) 3
(B) 6
(C) 12
(D) 24

Q11. The number of spinal nerves in human body are
(A) 18 pairs
(B) 21 pairs
(C) 25 pairs
(D) 31 pairs

Q12. Auxin is a/an
(A) Phytohormone
(B) Animal hormone
(C) Enzyme
(D) Vitamin

Q13. "Genetic Algorithm" was first proposed by
(A) A. Rapoport
(B) J Holland
(C) T. L. Saaty
(D) V. Neumann

Q14. Genetic drift is also known as
(A) Adaptive radiation
(B) Gene Sequencing
(C) Sampling error
(D) Isolation

Q15. First scientific studies in genetics were carried out by
(A) Joseph Kolreuter
(B) Gregor Jhon Mendel
(C) Jhon Goss
(D) Bateson


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