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Vitamin soluble in water is—
1). Vitamin A
2). Vitamin C
3). Vitamin D
4). Vitamin K

The basic unit of a vertebrate kidney is the
1). Ureter
2). Nephron
3). malpighian tubule
4). Islets of langerhans

Which type of tissue forms the framework of the external ear?
1). Epithelial
2). Connective
3). Muscle
4). Nervous

Which is the most stable ecosystem?
1). Desert
2). Mountain
3). Ocean
4). Forest

In what ways do lymph capillaries differ from blood capillaries?-
1). Lymph capillaries contain red blood cells
2). Lymph capillaries have a wall of only one cell layer
3). Lymph capillaries begin with blind ends throughout interstitial fluid
4). Contain plasma

At high altitude, RBCs of human blood will
1). Increase in number
2). Decrease in number
3). Decrease in size
4). Increase in size

Correct path of energy flow in a system is
1). Producers Herbivores Carnivores Decomposers
2). Producers Carnivores Herbivores Decomposers
3). Herbivores Producers Carnivores Decomposers
4). Herbivores Carnivores Producers Decomposers

Penguin is a bird that lost the use of its wings by not flying. Such a statement would express the views of
1). Darwin
2). Wallace
3). Lamarck
4). Huxley

Commercial cork is obtained from the species of
1). Berberis
2). Quercus
3). Salix
4). Betula

Which is an edible fungus?
1). Penicillium
2). Rhizopus
3). Mucor
4). Agaricus

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