1466: Which one of the following statements is not correct?
(a) Milk contains none of the B-vitamins
(b) Vitamin-A (retinal) deficiency leads to dry and scaly skin
(c) One of the symptoms of scurvy is pain in the joints
(d) Vitamin B1 (thiamine) deficiency can lead to heart failure
1467: Three bells toll at intervals of 9, 12 and 15 minutes respectively. All three begin to toll at 8 a.m. At what time will they first toll together again?
(a) 8.45 a.m.
(b) 10.30 a.m.
(c) 11.00 a.m.
(d) 1.30 p.m.
1468: Consider the following :
1. Bats
2. Bears
3. Rodents
The phenomenon of hibernation can be observed in which of the above kinds of animals?
(a) 1 and 2 only
(b) 2 only
(c) 1, 2 and 3
(d) Hibernation cannot be observed in any of the above.
1469: Chlorophyll is a naturally occurring chelate compound in which central metal is
(a) Magnesium
(b) Copper
(c) Calcium
(d) Iron
1470: Which one of the following diseases is caused due to defective genes?
(a) Ulcer
(b) Haemophilia
(c) Diabetes
(d) Cancer