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1. The saliva contains an enzyme called ________.
2. Brushing of teeth removes ________ which covers the teeth due to eating food.
3. The _______ is the site of complete digestion of carbohydrates, proteins and fats.
4. Carnivores like tiger have a shorter _______ as meat is easier to digest.
5. Carbon and energy requirements of an autotrophic organism are fulfilled by _______.
6. The transport of soluble products of photosynthesis from leaves to other parts is called ________.
7. Removal of wastes from the body is called ________.
8. Fishes have only _______ chambers in their heart.
9. Green plants make their own _______.
10. Aerobic respiration occurs in the presence of a _______.

(1). Salivary amylase, (2). Plaque, (3). Small Intestine, (4). Small Intestinec, (5). Photosynthesis, (6). translocation, (7). Excretion, (8). Two, (9). Food, (10). Air

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1. Green plants are heterotrophs. (T/ F)
2. Amoeba is a unicellular organism. (T/ F)
3. Fungi break the food outside the body and then absorb it. (T/ F)
4. Anaerobic respiration takes place in the presence of oxygen. (T/ F)
5. The inner lining of small intestine has finger-like projections called villi. (T/ F)
6. The maximum concentration of chemicals get accumulated in our bodies is called ‘biological magnification’. (T/ F)

(1). False, (2). True, (3). True, (4). False, (5). True, (6). True

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1. Name the respiratory organ in fishes.
2. Name an organ which is a part of two body systems.
3. In which form glucose is stored for longer duration in plant cells?
4. What is analogous to starch in human body to store food for longer term? Ans. Glycogen.
5. What is the mode of nutrition in fungi?
6. How do aquatic plants get oxygen for photosynthesis?
7. What is the respiration that takes place in absence of oxygen called?
8. What is the pressure of blood in artery during ventricular contraction called?
9. Write the name of pigment found in leaf of green plants.
10. Sweating in animals is equivalent to what in plants?
11. What is blood pressure?

1. Gills
2. Pancreas, which is a part of Endocrine system and Digestive system.
3. As starch.
4. Glycogen.
5. Saprophytic or Parasitic nutrition.
6. Through the process of diffusion.
7. Anaerobic respiration.
8. Systolic pressure.
9. Chlorophyll.
10. Transpiration.
11. Pressure exerts by blood on the wall of blood vessels is called blood pressure.

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Section A	Section B
1). Respiration	a). Sunlight
2). Rings of cartilage	b). Oxidation
3). Photosynthesis	c). Water transport
4). Amphibians	d). Cellular vacuoles
5). Plant waste	e). Three-chambered heart
6). Nephron	f). Structural unit of kidney
7). Xylem	g). Throat
8). Oxygenated blood	h). Veins
9). Deoxygenated blood	i). Arteries

(1). > (b), (2). > (g), (3). > (a), (4). > (e), (5). > (d), (6). > (f), (7). > (c), (8). > (i), (9). > (h)