SaraNextGen Study App [2023-24]
Last Updated On [03-11-2023]

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


Question ID - 497 :-

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

1 Answer
5876 Votes
3537

Answer Key : (b) -

 

(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.



Next Question :

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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