NAT I Medical Biology With Answers

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NAT I Medical Biology

Sr. # Questions Answers Choice
1 Which of the following method of reproduction is asexual Parthenogenesis Budding Vegetative propagation All of above
2 Sinus venosus in case of fishes receives from the body Oxygenated blood Deoxygenated blood Both a & b None
3 The heart of fish have Sinus venosus An atrium & ventricle Bulbs arteriosus or conus arteriosus All of above
4 All vertebrates have Open circulatory system Closed circulatory system No transportation system Transportation occurs through skin
5 Phylum arthropods have Open circulatory system Closed circulatory system Both a & b None
6 The circulatory system accounts for the rapid mass flow of materials from one part of the body to the other is_____than diffusion Rapid Slow Very low None
7 In planarians the exchange of materials takes place by Blood circulatory system Flame cells No special transport system None
8 In case of hydra ectodermal cells get food from endodermal cells by Osmosis Diffusion Facilitated diffusion None
9 The shrinkage of protoplast due to exosmosis of water is called Plasmodermata Cytoplasmic strand Plasmolysis Protoplast
10 The fungal associations with roots of higher plants help______uptake by the plants Water Minerals Both a & b None
11 Gaseous exchange through the lungs is called Cellular respiration Pulmonary respiration Inhalation Expiration
12 In frog the exchange of gases takes place through Lungs Skin Buccal chamber All of above
13 The main tracheae divide and subdivide forming very fine thin walled tubule called Spiracles Tracheoles Tracheal end cells Air spaces
14 In cockroach trachea is lined by a Lignin Chitin Membrane Tissues
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