The scales of fishes, reptiles and feathers of birds grow from which cells ?
A) Epithelial cells
B) Connective tissue
C) Areolar cells
D) Fibroblasts
1 Answers
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Three students Anil, Nikhil and Sunil went to a stationary shop and purchased some items. Anil purchased 3 books, 2 erasers and 5 scales. Sunil purcha
Correct Answer - `[{:(3,2,5),(5,3,6),(2,4,3):}]`
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Fill in the blanks : Fishes showing migrations from sea water to fresh water for spawning are termed ………., fishes while those migrating form fresh wat
Correct Answer - Catadromous , anadromous
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The triple points of neon and carbon dioxide are 24.57 K and 216.55 K, respectively. Express these temperatures on the celsius and fahrenheit scales.
Given: For neon, TK = 24.57 K For carbon dioxide, TK = 216.55 K To find: (i) Triple point of neon on celsius (TCN) and fahrenheit scale (TFN) (ii) Triple point of carbon dioxide on Celsius (TCC) and fahrenheit scale...
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i) All living organisms are composed of cells and products of cells, ii) All cells arise from preexisting cells.
C) Cell theory
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Observe the following a and b statements. a) Plants which grow in moist and wet soil do not grow properly.
A) a and b both are true
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These fishes take more water. A) Fresh water fishes
B) Marine fishes
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a. How are the hybridoma cells selected from the culture of B-cells and Myeloma cells while fusing them in hybridoma technology?
a. Using HAT medium b. Monoclonal antibody which is used to treat early stages of breast cancer is Herceptin (trastuzumab). It works by attaching itself to HER2 receptors by blocking them from...
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Kolleru lake attracts migrating birds from Asia and Eastern Europe of about ………. birds per year.
(B) 20,00,000 birds
2 Answers 2 views
Pick out the odd one. A) Feathers B) Hoofs C) Crown D) Tail
Answer is (B) Hoofs
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This gives to birds and fishes to overcome from drag.
B) Shape of the body
2 Answers 1 views