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MULTIPLE CHOICE QUESTION(MCQ) CHAPTER: NUTRITION IN PLANTS Q1. Green plants and algae are a) Herbivores b) Autotrophs c) Heterotrophs d) Omnivores Q2. The tiny pores present in the leaves of plants for exchange of gases are called . a) Stomata b) Tracheae c) Chloroplast d) Spiracles Q3. Rhizobium is an example of a) Saprotroph b) Parasites c) Insectivorous d) Symbiosis Q4. Which part of the plant gets carbon dioxide from the air for photosynthesis? a) Root hair b) Stomata c) Leaf veins d) Sepals Q5. Iodine is used to detect presence of starch. It gives starch a) Red colour b) Green colour c) Blue-black colour d) Colourless appearance Q6. Amarbel(Cuscuta) is an example of: a) Autotroph b) Parasites c) Saprotroph d) Host Q7. The plant which traps and feeds on insects is: a) Cuscuta b) China rose c) Pitcher plant d) Rose Q8. Green plants use which of the following to prepare food? a) Carbon dioxide b) Sunlight c) Water d) All of these Q9. Which of the following statements is not true? a) Heterotrophs can’t prepare their own food. b) Dodder is an example of parasite. c) Saprophytes are green. d) Pulses are beans are legumes. Q10. Main function of a leaf is: a) To prepare food b) To prevent disease c) To support the plant d) To give a proper shape Q11. Essential nutrient components necessary for living body are: a) Carbohydrates, proteins, fats, vitamins and minerals b) Starch c) Glucose d) None of these Q12. The mode of taking food by an organism and its utilization by the body is called . a) Nutrients b) Nutrition c) Ingestion d) Feeding Q13. Human beings can be categorized as: a) Parasite b)Heterotrophs c) Autotrophs d) Saprotrophs Q14. Ultimate source of energy is: a) Chemical energy b)Wind energy c) Solar energy d) Water energy Q15. The raw materials for photosynthesis are: a) Oxygen and water b)Carbondioxide and water c) Nitrogen and water d) Water, carbon dioxide, chlorophyll and solar energy Q16. bacterium is found as symbiotic partner in the root nodules of legumes. a) Rhizopus b)Rhizobium c) Streptococcus d) Staphylococcus Q17. Some examples of essential mineral nutrient required by plants are a) Nitrogen, phosphorus and potassium b)Helium, Hydrogen and oxygen c) Neon, fluorine and lead d) All of these Q18. Symbiotic relationship between alga and fungi is termed . a) Algofungate b)Lichen c) Rhizobium d) Mycorhiza Q19. Green coloured pigment present in leaves of green plant and algae which helps in trapping of solar energy during photosynthesis is a) Safranin b) Chloroplast c) Chlorophyll d) Both ‘a’ and ‘b’ Q20. Carbohydrates are made up of elements like a) Carbon, nitrogen and cobalt b)cells c) Hydronium, Sodium and Cobalt d) Carbon, hydrogen and oxygen ANSWERS: 1: b) Autotrophs 2: a) Stomata 3: d) Symbiosis 4: b) Stomata 5: c) Blue-black colour 6: b) Parasites 7: c) Pitcher plant 8: d) All of these 9: c) Saprophytes are green. 10: a) To prepare food

11: a) Carbohydrates, proteins, fats, vitamins and minerals 12: b) Nutrition 13: b)Heterotrophs 14: c) Solar energy 15: d) Water, carbon dioxide, chlorophyll and solar 16: b) Rhizobium

17: a) Nitrogen, phosphorus and potassium 18: b) Lichen 19: c) Chlorophyll 20: d) Carbon, hydrogen and oxygen


MULTIPLE CHOICE QUESTION(MCQ) CHAPTER: NUTRITION IN ANIMALS Q1. Villi are located in the a) Small intestine b) large intestine c) Stomach d)None of these Q2. Animals are not a) Heterotrophs b) Autotrophs c) Saprotrophs d) Holozoic Q3. The digested food is absorbed in a) Large intestine b)Small intestine c)Liver d) Stomach Q4. Ruminants can a) Not digest cellulose b) digest cellulose c) sometimes can digest and sometimes can not Q5. Simplest form of carbohydrate is a) Fatty acids b) Glucose c) Sugar d) Amino acids Q6. Largest gland in the human body is a) Pancreas b)Liver c) Stomach d) Skin Q7. Amoeba digests its food in the a) Nucleus b) cell c) Food vacuole d) Cytosol Q8. The inner wall of the small intestine has many finger-like outgrowths called . a) Villi b) Pseudopodia c) Intestinal hair d) None of these Q9. Fat is completely digested in . a) Liver b)Duodenum c) Small intestine d) Stomach Q10. Main function of a villi is: a) To increase surface area for absorption of digested food b)To prevent disease c) To digest food Q11. Carbohydrate that can be digested by ruminants is a) Glucose b) Starch c)Cellulose d) None of these Q12.

a) Q13.

The doctor who found stomach is churning ingested food in 1822 is Dr. Martin Alexis b) Dr. William Beaumont c) Dr. Sunita William

d) All of these

d)Provide proper shape to intestine

d) Dr. Tashi Topden

Ruminants and amoeba are

a) Q14.

a) Q15.

a) Q16.

a) Q17.

a) Q18.

a) Q19.

a) Q20.

a)

Insectivorous

b)Heterotrophs c) Autotrophs d) None of these Glucose is broken down in the presence of oxygen(O 2) during respiration to release Energy b) lactic acid c) Chemicals d) All of these Finger like outgrowths pushed out by amoeba for capturing food and for locomotion or movement is Pseudopodia b)Villi c) Contractile vacuole d) Nucleus is a condition where a person passes watery stool frequently and is caused due to infection, food poisoning or indigestion. Digestion b)Egestion c) Diarrhoea d)Both ‘b’ and ‘c’ Breaking down of complex components of food into simpler substances is termed Assimilation b)Ingestion c) Digestion d) Egestion Partially digested grass in the rumen of ruminants is called . Bolus b)rumination c) Cud d) None of these ORS stands for Oral Rehydration Sovent b) Oral Rehydration Solution c) Oral Rehydration Solute d) Oral Rehydrating Sugar First set of teeth grows during infancy which fall off at the age between six to eight years is called Permanent teeth b)Canine c) Premolar d) Milk teeth

ANSWERS: 1: a) Small intestine 2: b) Autotrophs 3: b)Small intestine 4: b) digest cellulose 5: b) Glucose 6: b)Liver 7: c) Food vacuole 8: d) All of these 9: c) Small intestine 10: a)To increase surface area for absorption of digested food 11: c)Cellulose

12: b) Dr. William Beaumont 13: b)Heterotrophs 14: a) Energy 15: a) Pseudopodia 16: c) Diarrhoea 17: c) Digestion 18: c) Cud 19: b) Oral Rehydration Solution 20: d) Milk teeth

ORGAN/STRUTURE

SECRETION

ACTION OF THE SECRETION

Salivary gland

Saliva

Helps in digestion of starch into sugar

Stomach

1) 2) 3)

Mucous Hydrochloric acid(HCl) Digestive juice

Mucous protects the lining of stomach HCl kills bacteria and maintain acidic medium Break down proteins into simpler substances

Liver

Bile juice

Bile juice helps in digestion of fats.

Pancreas

Pancreatic juice

Helps in digestion of carbohydrates and proteins

Intestine

Intestinal juice

Helps in break down of  Carbohydrates into glucose  Fats into glycerol and fatty acids  Proteins into amino acids


CBSE CLASS VII MCQ on nutrition in plants and animals prepared by lhakpa wangyal