alleryWhich group of mammals lays eggs?
- Placentals
- Rodents
- Monotremes
- Bats
Show answer and solution
Correct answer: C. Monotremes
Monotremes are the egg-laying mammals, unlike placentals which bear developed young.
RPF Constable General Science and Life Science — practice questions
Explore 3 free General Science and Life Science questions in RPF Constable General Awareness. Open each question or exercise to read its content, reference answers and available explanation.
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Worked practice questions
What key feature distinguishes vector velocity from scalar speed?
- Magnitude only
- Distance units
- Elapsed timing
- Motion direction
Show answer and solution
Correct answer: D. Motion direction
Speed is a scalar giving magnitude only, while velocity specifies both speed and direction of motion.
To which mammalian group do pouched creatures like kangaroos belong?
- Monotremes
- Placentals
- Marsupials
- Cetaceans
Show answer and solution
Correct answer: C. Marsupials
The kangaroo belongs to the pouched marsupial lineage.
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