Biology MCQs

11. Which among the following is an optimum temperature for wheat seed germination?
[A] 11-15 deg celsius
[B] 15-25 deg celsius
[C] 10-12 deg celsius
[D] 20-22 deg celsius

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12. rRNA is synthesized by which of the following?
[A] Nucleus
[B] Nucleolus
[C] Golgi body
[D] Cytoplasm

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13. A segment of DNA consists of 120 adenine and 120 cytosine bases. What is the total number of nucleotides present in the segment?
[A] 120
[B] 240
[C] 345
[D] 480

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14. Which of the following virus is covered?
[A] Adeno
[B] Herpes
[C] Polio
[D] None of these

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15. Which of the following is a true moss?
[A] Club moss
[B] Reindeer moss
[C] Irish moss
[D] Bogg moss (Sphagnum)

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16. Which of the following transports the food through the leaf to the rest of the plant?
[A] Xylem
[B] Phloem
[C] Photosynthesis
[D] Guttation

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17. __ tissues synthesize natural cytokinins.
[A] Old
[B] Rapidly dividing
[C] Storage
[D] None of the above

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18. Which fruit is produced by parthenocarpy?
[A] Brinjal
[B] Apple
[C] Banana
[D] Jackfruit

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19. What does a plant need to survive?
[A] sunshine
[B] nutrients
[C] water
[D] All of the above

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20. Which of the following statements is true about the root modification?
[A] The temporary change in the root structure
[B] The permanent changes in the root structure
[C] The permanent changes in the internal root structure
[D] The temporary changes in the external root structure

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