Q1. The method used to obtain alcohol from molasses is called
Q2. Scurvy is a disease of
Q3. Which of these fruits develop from an inflorescence?
Q4. A plant with fibrous root system is :
Q5. The strongest bone of the body is present in the
Q6. Which one of the following is a hereditary disease?
Q7. Red light is used for signals because it has
(a) long wavelength
(b) high intensity
(c) high frequency
(d) low refraction in the medium
Q8. Ginger is a modified
Q9. How many times does the heart beat approximately in a minute in humans?
(a) 25 times
(b) 30 times
(c) 72 times
(d) 96 times
Q10. Chicken pox is caused by
Q11. Honey contains mainly
Q12. The membrane covering the lungs is a
Q13. Which of the following diseases is caused by a virus?
(d) Whooping cough
Q14. The reagent used to test the presence of starch in leaves is
(a) Fehling’s solution
(b) Iodine solution
(c) Million’s reagent
(d) Benedict’s solution
Q15. Stem cells which are capable of developing into other types of cells come from the