MCQ
Why no predator become proficient in acquiring prey?
- ✓Prey populations evolve antipredatory traits
- BPrey populations reproduce fastly
- CPredator populations reproduce fastly
- DPredators are to large to be fast enough
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$I.$ Burrowing soil
$II.$ Losing heat during high temperature
$III.$ Active during morning and evening
$IV.$ Insulating body due to thick fatty dermis
Select the correct pair
| Column – I | Column $- II$ |
| $(1)$ Study of disease | $(p)$ Transgenic mice |
| $(2)$ Biological products | $(q)$ Testing toxicity of drug |
| $(3)$ Vaccine safety | $(r)$ Rheumatoid arthritis |
| $(4)$ Chemical safety | $(s)\; \alpha - 1$ Antitrypsin |
List $I$ $(syndrome)$
$(1)$ Patau’s syndrome
$(2)$ Kline-Felter’s syndrome
$(3)$ Down’s syndrome
$(4)$ Turner’s syndrome
List $II$ $(Chromosomal\, abnormality)$
$(A)$ $44 + XXY = 47$
$(B)$ $44 + X = 45$
$(C)$ $46 + 1 = 47$, Chromosome $13^{th}$
$(D)$ $46 + 1 = 47$, Chromosome $21^{st}$ Code