Biology MCQs

1. Nephron is the basic structural and functional unit of which among the following organs?
[A] Nervous System
[B] Liver
[C] Pancreas
[D] Kidney

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2. Which type of acid is predominantly found in fruits like Grapes, Bananas, and Tamarind?
[A] Lactic Acid
[B] Oxalic Acid
[C] Salicylic Acid
[D] Tartaric Acid

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3. The pneumatophores are negatively geotropic roots which grow upward & meant for gaseous exchange. These are a characteristic of _______?
[A] Halophytes
[B] Heliophytes
[C] Sciophytes
[D] Lithophytes

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4. Which among the following is not a beverage plant?
[A] Camellia sinensis
[B] Theobroma cacao
[C] Coffea Arabica
[D] Alonsoa grandiflora

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5. Who among the following coined the term Bacterium?
[A] Antonie van Leeuwenhoek
[B] Christian Gottfried Ehrenberg
[C] Louis Pasteur
[D] Robert Koch

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6. The cells of all living biological matter are made of four major elements. The elements are: 
[A] Carbon, Hydrogen, Oxygen and Phosphorous
[B] Carbon, Hydrogen, Oxygen and Nitrogen
[C] Carbon, Hydrogen, Oxygen and Sulphur
[D] Sodium, Chlorine, Potassium and Magnesium

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7. Kernel smut and Sheath blight are two common diseases which occur due to excessive use of nitrogen fertilizer. The diseases are most commonly found in which of the following crops?
[A] Rice
[B] Potato
[C] Cotton
[D] Sugarcane

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8. What is epidermis made of?
[A] Dermatogen
[B] Periblem
[C] Protoderm
[D] Plerome

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9. Bulbil takes part in which of the following processes in plants?
[A] Sexual reproduction
[B] Respiration
[C] Food storage
[D] Vegetative reproduction

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10. Which part of the plant is used in making saffron spice?
[A] Stigma
[B] Sepal
[C] Petal
[D] Leaf

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