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प्रश्न
How does growing embryo get nutrition from the mother's blood?
उत्तर
The embryo gets nutrition from the mother’s blood with the help of a tissue called placenta. Glucose and oxygen are passed from the mother to the embryo through it. Waste generated by embryo are also removed into mother’s blood by placenta.
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संबंधित प्रश्न
Name the following:
A parasitic plant with yellow, slender and tubular stem.
Amarbel is an example of ______.
Match the items given in Column I with those in Column II:
| Column I | Column II |
| Chlorophyll | Bacteria |
| Nitrogen | Heterotrophs |
| Amarbel | Pitcher plant |
| Animals | Leaf |
| Insects | Parasite |
Name one organism each having saprophytic, parasitic and holozoic modes of nutrition.
Define parasite. name two parasites.
The process of obtaining food by Amoeba is known as:
(a) dialysis
(b) cytokinesis
(c) phagocytosis
(d) amoebiasis
In which of the following groups of organisms the food material is broken down outside the body and then absorbed?
One of the following organisms can live without oxygen of air. This organism is
(a) Amoeba
(b) Yak
(c) Yeast
(d) Leech
In one of the following organisms, the gaseous exchange during respiration does not take place through cell membrane/skin. This organism is:
(a) Electric eel
(b) Leech
(c) Earthworm
(d) trachea
Match the organisms given in Column I with their mode of nutrition given in Column II.
| Column 1 | Column II | ||
| (a) | Mango tree | (i) | Insectivorous plant |
| (b) | Mushroom | (ii) | Heterotrop |
| (c) | Pitcher plant | (iii) | Autotroph |
| (d) | Cuscuta | (iv) | Saprophyte |
| (e) | Elephant | (v) | Parasitic |
