Biology
Hari is fond of watching the fish in an aquarium. So, he set up an aquarium in his house. Along with a number of fresh water fish, he also placed a clown fish which is a salt water fish. After few hours, the clown fish was found dead and floating on water. This was due to:
- Endosmosis
- Exosmosis
- Osmoregulation
- Excretion
Related Questions
Assertion (A): There is frequent urination in summer than in winter.
Reason (R): In summer we lose a lot of water as sweat, so the kidneys reabsorb more water. Hence, urine formed is less in summer than in winter.
- Both A and R are True
- Both A and R are False
- A is True and R is False
- A is False and R is True
The age restrictions for marriage for boys and girls by law in India is:
- Boys 18 years, Girls 21 years
- Boys 17 years, Girls 16 years
- Boys 21 years, Girls 18 years
- Boys 20 years, Girls 17 years
The solvent used for dissolving chlorophyll while testing a leaf for starch is:
- Sodium hydroxide
- Lime water
- Water
- Ethyl alcohol
The structure related to storage and maturation of sperms in a human male is:
- Epididymis
- Epidermis
- Epithelium
- Endothelium