Biology MCQs

11. Who among the following analysed the DNA for the first time ?
[A] Watson and Krick
[B] Karl von Frisch
[C] M. W. Nirenberg
[D] Hargobind Khurana

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12. Synapse gap is present between which of the following?
[A] Brain and Spinal cord
[B] Two eyes
[C] Two Kidneys
[D] Two neurons

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13. The main components of biogas are
[A] Methane and Sulphur di-oxide
[B] Methane, Hydrogen and Nitric oxide
[C] Methane and Nitric oxide
[D] Methane and Carbon di-oxide

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14. Who among the following discovered Vitamin C?
[A] Albert Szent-Györgyi
[B] Funk
[C] Evans and Bishop
[D] Henrik Dam

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15. What is the basic unit of Classification?
[A] Genus
[B] Species
[C] Order
[D] Family

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16. Protein is made up of which of the following?
[A] Sugar
[B] Amino acid

[C] Carbohydrate
[D] Fatty acid

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17. The cell wall of Spirogyra contains__?
[A] Cellulose
[B] Chitin
[C] Lignin
[D] Suberin

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18. What does Prothallus represent?
[A] sporophytic phase in a fern
[B] gametophytic phase in a fern
[C] sporophytic phase in a gymnosperm
[D] gametophytic phase in a gymnosperm

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19. Gymnosperms are called naked seed plants because of the lack of which of the following?
[A] Cotyledon
[B] Endosperm
[C] Ovary Wall
[D] Testa

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20. Which of the following is a polyembryony?
[A] the production of fruit from an unfertilized egg
[B] the phenomenon of more than one embryo developing from a single ovule
[C] pollination is required to produce fruits
[D] None of these

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