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2316. Below are given the names of some animals and the names of elements which they accumulate in their bodies as a rusult of radioactive pollution ? 1. Oysters : Zinc -65 2. Fish : Iron -55 3. Marine animals : Strontium -90
A. 1 and 2
B. 2 and 3
C. 1 and 3
D. 1, 2 and 3
Explanation:
2317. Which one of the following is the basis of modern periodic table ?
A. Atomic mass
B. Atomic number
C. Atomic size
D. Atomic volume
Explanation:
2318. Cytoplasmic bodies in the centrioles are
A. Dictyosomes
B. Microtubles
C. Basal bodies
D. Kinetochores
Explanation:
2319. Which of the following is the correct sequence of the different phases if mitotic division ? 1. Metaphase 2. Anaphase 3. Prophase 4. Telophase
A. 1, 2, 3, 4
B. 1, 3, 2, 4
C. 3, 2, 1, 4
D. 3, 1, 2, 4
Explanation:
2320. Citrus fruit products should not be preserved in vessels of
A. copper
B. tin
C. steel
D. iron
Explanation:
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