491. Fatty acids containing 18 C atoms and a single double bond is____________?
A. Saturated Fatty acid
B. Unsaturated fatty acid
C. Oleic Acid
D. Plamitic acid

492. Pick the odd one out
A. Psilophyton
B. Rhynia
C. Cooksonia
D. Psilotum

493. Which of the following statement is incorrect5 for fats containing unsaturated fatty acid_____________?
A. They contain double bond
B. They are usually solid at room temperature
C. They are lighter than water
D. Their specific gravity is less than 1

494. Which one the following fatty acid is more soluble in an organic solvent and has higher melting point____________?
A. Acetic acid
B. Butyric acid
C. Palmitic acid
D. All have same

495. Peptide bond is_____________?
A. C-N link
B. C- O lind
C. N-H link
D. C-H link

496. Animals obtain carbohydrates mainly from___________?
A. Glucose
B. Starch
C. Sucrose
D. Glycogen

497. The one which is incorrect pair?
A. Sori – Indusium
B. Arthrophytes – Jointed
C. Dichotomous – Vernation
D. Lycopods – Ground pries

498. Double fertilization occurs in_________?
A. All plants
B. All seed plants
C. Gymnosperms
D. Angiosperms

499. Proteins comprise of ___________% of the total dry weight of a cell?
A. 40%
B. 50%
C. 60%
D. 70%

500. Adult birds normally possess only one functional____________?
A. Ureter
B. Ovary
C. Lung
D. Testis

NOTE
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