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1146. The glands of the body which pour their seretions directly into the blood stream are known as :
A. exocrine glands
B. endocrine glands
C. hterocrine glands
D. compound glands
Explanation:
1147. A transistor is most likely to be found in a
A. wrist watch
B. fuse
C. hearing aid
D. fluorescent lamp
Explanation:
1148. Foetus development in womans womb can be ascertained by :
A. CAT scanning
B. PTT scanning
C. Ultrasound
D. Co-27 experiment
Explanation:
1149. The pH of human blood is between :
A. 6.5 - 7
B. 7.5 - 8
C. 8 - 9
D. 4.5 - 5
Explanation:
1150. Arrange the following in sequence to explain Darwins theory in ""The Origin of the Species"" 1. Overproduction2. Variation3. Struggle for existence4. Survival of the fittest
A. 1, 2, 4, 3
B. 2, 1, 3, 4
C. 1, 2, 3, 4
D. 2, 3, 1, 4
Explanation:
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