Biology MCQs

11. Triticale is a hybrid of which two crops?
[A] Wheat and Rice
[B] Wheat and Rye
[C] Rice and Rye
[D] Rice and Sorghum

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12. Golden rice is a variety of rice produced through genetic engineering to biosynthesize beta-carotene. This genetically engineered (GE) rice variety, can help to alleviate deficiency of _?
[A] Vitamin A
[B] Vitamin B
[C] Vitamin C
[D] Vitamin D

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13. Triple Antigen IPV immunizes against three diseases. Which of the following is not immunized by ‘Triple Antigen’? (UPSC Prelims 1979).
[A] Typhoid
[B] Whooping cough
[C] Tetanus
[D] Diphtheria

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14. It has been observed that after-effects of low temperature treatment are helpful in promoting the flowering in certain plants. Through this the vegetative period of plant becomes short and early flowering takes place. Which of the following is the name given to the phenomenon? (UPSC Prelims 1992)
[A] Photoperiodism
[B] Floreignation
[C] Vernalisation
[D] Heliotropism

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15. Match List I with List II and select the correct answer using the codes given below the lists.

List I List II
A. Islets of Langerhans 1. Calcitonin
B. Pituitary gland 2. Epinephrine
C. Thyroid gland 3. Growth hormone
D. Adrenal gland 4. Insulin

Codes:
     A B C D (UPSC Prelims 1995)

[A] 4 3 2 1
[B] 4 3 1 2
[C] 3 4 1 2
[D] 3 2 4 1

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16. Which among the following genus is known as the ‘handy man’?
[A] Homo sapiens sapiens
[B] Homo habilis
[C] Homo sapiens neanderthelensis
[D] Homo erectus

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17. Which tissue of plant is used to transport food to various parts?
[A] Xylem
[B] Parenchyma
[C] Sclerenchyma
[D] Phloem

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18. Chromosome Theory of Inheritance was proposed by __?
[A] Pier Antonio Micheli
[B] Louis Pasteur
[C] Stephen Hales
[D] Thomas Hunt Morgan

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

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20. Which sugar is present in RNA?
[A] Hexose
[B] Ribose
[C] Fructose
[D] Glucose
Glucose

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