| Is it true that test tube babies and clones have a shorter life span than normal? |
Class 8, Animal reproduction, Online test for Science Olympiad |
Books and CDs |
0 |
almost 12 years ago |
| Is it true that there are some live bearing aquarium fish (live bearers) that retain the eggs inside the body and give birth to live, free-swimming young ones? |
Class 8, Animal reproduction, Online test for Science Olympiad |
Books and CDs |
0 |
almost 12 years ago |
| When only the head enters into the ovum , what happens to the tail and the middle piece ? |
Class 8, Animal reproduction, Online test for Science Olympiad |
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0 |
almost 12 years ago |
| What is the life span of an ovum after ovulation? |
Class 8, Animal reproduction, Online test for Science Olympiad |
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0 |
almost 12 years ago |
| Why can't red blood cells reproduce? |
Class 8, Animal reproduction, Online test for Science Olympiad |
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0 |
almost 12 years ago |
| Why does menstruation stop during pregnancy? |
Class 8, Animal reproduction, Online test for Science Olympiad |
Books and CDs |
0 |
almost 12 years ago |
| Fishes and frogs lay eggs in hundreds but hen lay egg only one at a time. Why? |
Class 8, Animal reproduction, Online test for Science Olympiad |
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0 |
almost 12 years ago |
| What is the life span of a sperm? |
Class 8, Animal reproduction, Online test for Science Olympiad |
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0 |
almost 12 years ago |
| How is a snake different from all other animals in its reproduction? |
Class 8, Animal reproduction, Online test for Science Olympiad |
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0 |
almost 12 years ago |
| What is the signifacance of thick muscular walls of uterus in females? |
Class 8, Animal reproduction, Online test for Science Olympiad |
Books and CDs |
0 |
almost 12 years ago |
