Statement 1: |
All metatherians are placental mammals. |
Statement 2: |
All placental mammals have menstrual cycle. |
a) |
Statement 1 is True, Statement 2 is True; Statement 2 is correct explanation for Statement 1 |
b) |
Statement 1 is True, Statement 2 is True; Statement 2 is not correct explanation for Statement 1 |
c) |
Statement 1 is True, Statement 2 is False |
d) |
Statement 1 is False, Statement 2 is True |
Statement 1: |
All metatherians are placental mammals. |
Statement 2: |
All placental mammals have menstrual cycle. |
a) |
Statement 1 is True, Statement 2 is True; Statement 2 is correct explanation for Statement 1 |
b) |
Statement 1 is True, Statement 2 is True; Statement 2 is not correct explanation for Statement 1 |
c) |
Statement 1 is True, Statement 2 is False |
d) |
Statement 1 is False, Statement 2 is True |
(b)
Placenta is universally found in eutherian mammals. Placenta is the region where foetus receives nourishment from mother’s blood. Menstrual cycle occurs only in primates, except new world monkeys.
Statement 1: |
Radial symmetry in animals is advantageous in detecting food and danger |
Statement 2: |
It allows the animal to be able to respond to stimulus from any direction |
a) |
Statement 1 is True, Statement 2 is True; Statement 2 is correct explanation for Statement 1 |
b) |
Statement 1 is True, Statement 2 is True; Statement 2 is not correct explanation for Statement 1 |
c) |
Statement 1 is True, Statement 2 is False |
d) |
Statement 1 is False, Statement 2 is True |
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