1st PUC Biology Question Paper. We covered all the 1st PUC Biology Question Paper MCQs in this post for free so that you can practice well for the exam.
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1st PUC Biology Objective Question Paper for Students
Intake of which one of the following food components should be minimized by patients having Gouty Arthritis due to elevated serum uric acid levels?
(a) Food fibres
(b) Nucleic acids
(c) Lipids
(d) Carbohydrates
Option b – Nucleic acids
Which one of the following vitamins has a role in blood clotting?
(a) Vitamin A
(b) Vitamin D
(c) Vitamin E
(d) Vitamin K
Option d – Vitamin K
(a) Erwin Chargaff
(b) Maurice Hugh Frederick Wilkins
(c) Rosalind Franklin
(d) Phoebus Levene
Option b – Maurice Hugh Frederick Wilkins
Which one of the following statements is not correct?
(a) The human eye is a refracting system containing a diverging lens.
(b) The retina of the human eye contains millions of light-sensitive cells, called rods and cones, which convert the light into electrical messages.
(c) Every image that is focused on the retina is upside down.
(d) We need both eyes to judge the relative positions of objects accurately.
Option a – The human eye is a refracting system containing a diverging lens
Which one of the following is the scientific name of the causal organism of elephantiasis?
(a) Ascaris lumbricoides
(b) Culex pipiens
(c) Wuchereria bancrofti
(d) Fasciola hepatica
Option c – Wuchereria bancrofti
Melanin is the natural pigment that gives color to human skin, hair, and the iris. It provides protection against:
(a) Ultraviolet radiation
(b) Infrared radiation
(c) X-ray radiation
(d) Shortwave radio radiation
Option a – Ultraviolet radiation
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