Biology MCQs

1. Change in genetic composition of a population is called as?
[A] extinction
[B] evolution
[C] endemic
[D] vicariance

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2. Whch among the following are called scavengers of ecosystems?
[A] Bacteria
[B] Fungi & Bacteria
[C] Algae, Fungi & Bacteria
[D] None of the above

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3. Prophase, metaphase, anaphase & telophase are the stages of which of the following process?
[A] Mitosis / Meiosis
[B] Asexual reproduction
[C] sexual reproduction
[D] Cell metabolism

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4. Which among the following virus is also called as “Hit & Hide” Virus?
[A] RSV Virus (respiratory syncytial virus )
[B] Dengue virus
[C] Influenza virus
[D] HIV virus

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5. Which of the following places are main centers of silicosis and silico-tuberculosis diseases affecting the workers in India?
[A] Glass Factories
[B] Stone quarries and stone crushing factories
[C] Fireworks Factories
[D] Brick Kilns

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6. Which among the following is not rightly matched : (Ailments and affected parts of Body)
[A] Dermatitis – Skin
[B] Glossitis – Tongue
[C] Peritonitis – Abdomen
[D] Cystitis – Caecum

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7. Which among the following is a correct definition of Saprophytes?
[A] A parasitic plant that can complete its life cycle independent of a host
[B] A heterotrophic plant that feeds upon other living plants
[C] A heterotrophic plant that feeds upon dead organic matter
[D] A plant that is unable to synthesize a particular organic compound

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8. From which part, Coconut coir is obtained?
[A] Epicarp
[B] Mesocarp
[C] Endocarp
[D] Seed

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9. Which among the following diseases is very rare in women compared to the men affected with the same disorder?
[A] Osteoporosis
[B] Color blindness
[C] Nyctalopia
[D] Down Syndrome

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10. Which of the following diseases is spread by mosquitoes but is not a viral disease?
[A] Meningitis
[B] Dengue fever
[C] Yellow fever
[D] Filariasis

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