Olympiad Test: High Order Thinking Skills -2
10 Questions MCQ Test Science Olympiad Class 7 | Olympiad Test: High Order Thinking Skills -2
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Which of the following is a parasitic plant?
Cuscuta is a parasitic plant. It lacks chlorophyll, hence it appears as yellow tubular structures and obtains its food from its host tree.
The bacteria present in root nodules of leguminous plants that fixes the atmospheric nitrogen is
Rhizobium bacteria is present in root nodules of legume plants. It fixes atmospheric nitrogen in the root nodules.
Various steps of human nutrition are in the order
Which of the following comes in the empty box in the given steps of processing fibers into wool? Shearing 
Sorting
Scouring is done after shearing the skin with fur. In scouring, the skin is washed thoroughly in tanks to remove grease, dust and dirt from the fur.
Which of the following breed yield good quality wool?
Lohi breed yields good quality wool, it is found in the states of Rajasthan and Punjab.
Which of the following animals have sticky pads on its feet?
Red eyed frog has developed sticky pads on its feet to climb the trees.
The actual site of gaseous exchange in respiratory system is
The actual site of gaseous exchange in respiratory system is Alveoli. Alveolus are richly supplied with blood capillaries permeable membrane which allows exchange of gases through it.
_______ is the flow of water molecules from the region of higher water potential to the region of lower water potential through a semi permeable membrane.
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