11. Match the terms in Column A with their explanations in Column B and choose the correct answer using code given below.
Column A – Column B
a. Genetics i. Chromosomes similar in size and shape
b. Autosomesii. The alternative forms of a gene
c. Recessive gene iii. Study of laws of inheritance of characters
d. Alleli iv. A gene that can express only when in a similar pair
e. Homologous chromosomes v. Chromosomes other than the pair of sex chromosomes
Code:
a b c d e
(A) i iii ii iv v
(B) iii V iv ii i
(C) iv iii v i ii
(D) ii i V iii iv
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12. Which of the following forests is known as the “Lungs of the Planet Earth”?
(A) Amazon rain forest
(B) Taiga forest
(C) Tundra forest
(D) Rain forest of North-East India
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13. Which of the following equation is not correct ?
(A) ΔH = ΔU – PΔV
(B) ΔU = q + W
(C) ΔSsys + ΔSsurr ≥0
(D) ΔG = ΔH – TΔS
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14. Extinct and earliest jawed fishes are classified under
(A) Placodermi
(B) Dipnoi
(C) Osteichthyes
(D) Chondrichthyes
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15. Carbylamine reaction is used for the detection of which organic compound?
(A) Secondary amines
(B) Primary alcohols
(C) Primary amines
(D) Secondary alcohols
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16. Which of the following is a breed of buffalo?
(A) Jersey
(B) Kankrej
(C) Surti
(D) Hariana
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17. Who is awarded by Nobel Prize for explaining “Photoelectric effect”?
(A) Max Plank
(B) H. Hertz
(C) Neils Bohr
(D) Albert Einstein
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18. Which of the following is structure of anthracene ?
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19. Spiny or sticky pollen grains and large, attractively coloured flowers are associated with
(A) Hydrophily
(B) Entomophily
(C) Ornithophily
(D) Anemophily
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20. What is the IUPAC name of the following amine ?
(A) N-Butyl, N – Ethyl- Ethanamine
(B) N- Ethyl, N – Butyl Ethane – 1 amine
(C) N,N-Diethylbutan – 1 – amine
(D) N,N-Diethyl, butylamine
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