Practice the AP 7th Class Science Bits with Answers Chapter 3 Nutrition in Organisms on a regular basis so that you can attempt exams with utmost confidence.
AP 7th Class Science Bits Chapter 3 Nutrition in Organisms with Answers
I. Multiple Choice Questions
1. Carbohydrates digest first in
A) Buccal cavity
B) Stomach
C) Small intestine
D) Large intestine
Answer:
A) Buccal cavity
2. Proteins digestion starts in
A) Buccal cavity
B) Stomach
C) Small intestine
D) Large intestine
Answer:
B) Stomach
3. Chocolates, sweets, soft drinks and other sugar products cause of
A) Acidity
B) Constipation
C) Tooth decay
D) Diarrhea
Answer:
C) Tooth decay
4. The process of intake and utilization of food by organisms is called ……
A) Digestion
B) Absorption
C) Nutrition
D) Excretion
Answer:
C) Nutrition
5. Nutrition in green plants is
A) Autotrophic
B) Saprophytic
C) Parasitic
D) Holozoic
Answer:
A) Autotrophic
6. This is not a requirement of photosynthesis
A) Oxygen
B) Carbon dioxide
C) light
D) water
Answer:
A) Oxygen
7. Product of photosynthesis
A) Oxygen
B) Water
C) Glucose
D) All the above
Answer:
D) All the above
8. Presence of starch in leaves indicates the occurrence of…..
A) Respiration
B) Photosynthesis
C) Digestion
D) Excreton
Answer:
B) Photosynthesis
9. This works as food factory of the plant
A) Stem
B) Leaf
C)Flower
D) Root
Answer:
B) Leaf
10. Function of stomata is
A) Gaseous exchange
B) Transport of water
C) Food production
D) Digestion
Answer:
A) Gaseous exchange
11. Find the correct statement
i) Nepenthes is a insectivorous plant.
ii) It grow in phosphorous deficient soils.
A) both are correct
B) i only correct
C) ii only correct
D) both are wrong
Answer:
B) i only correct
12. Example for saprophyte
A) Amoeba
B) Utricularia
C) Cuscuta
D) Bread mould
Answer:
D) Bread mould
13. Chlorophyll-containing partner in the lichens is
A) Algae
B) Fungi
C) Bacteria
D) Amoeba
Answer:
A) Algae
14. Cuscuta absorbs its food from host through
A) Tap root
B) Fibrous root
C) Haustoria
D) prop roots
Answer:
C) Haustoria
15. National Deworming Day is observed on
A) February 10
B) August 10
C) Both A & B
D) December 10
Answer:
C) Both A & B
16. Albendazole tablet is a…
A) Antibiotic
B) Antiviral drug
C) Antifungal drug
D) Deworming drug
Answer:
D) Deworming drug
17. Taking of food into the body is called…..
A) Ingestion
B) Digestion
C) Absorption
D) Egestion
Answer:
A) Ingestion
18. Conversion of food into simple soluble forms is called …
A) Ingestion
B) Digestion
C) Absorption
D) Egestion
Answer:
B) Digestion
19. Transfer of food to the blood is called …..
A) Ingestion
B) Digestion
C) Absorption
D) Egestion
Answer:
C) Absorption
20. Removal of waste products and undigested food from the body
A) Ingestion
B) Digestion
C) Absorption
D) Egestion
Answer:
D) Egestion
21. Amoeba collects its food with the help of
A) Pseudopodia
B) Nucleolus
C) Food vacuole
D) Cytoplasm
Answer:
A) Pseudopodia
22. This is not digestible in human being is …..
A) Starch
B) Protein
C) Fat
D) Cellulose
Answer:
D) Cellulose
23. Nutrition in human being is …
A) Autotrophic
B) Parasitic
C) Saprophytic
D) Holozoic
Answer:
D) Holozoic
24. The total length of alimentary canal is about
A) 3 meters
B) 6 meters
C) 9 meters
D) 12 meters
Answer:
C) 9 meters
25. Tofal number of teeth in the adult is
A) 8
B) 16
C) 20
D) 32
Answer:
D) 32
26. Teeth that help to cut the food….
A) incisors
B) canines
C) premolars
D) molars
Answer:
A) incisors
27. Hardest part of the human body is
A) Bone
B) Teeth
C) Cartilage
D) Muscle
Answer:
B) Teeth
28. The major culprits of tooth decay ….
A) Chocolates
B) Sweets
C) Soft drinks
D) All the above
Answer:
D) All the above
29. Common chamber for both digestive track and respiratory track is
A) Pharynx
B) Duodenum
C) Esophagus
D) Buccal cavity
Answer:
A) Pharynx
30. The muscular tubular structure that connects pharynx with Stomach is
A) Buccal cavity
B) Oesophagus
C) Duodenum
D) Small intestine
Answer:
B) Oesophagus
31. Hydrochloricacid in the stomach kills Bacteria in the food.
A) Lactic acid
B) Sulphuric acid
C) Acetic acid
D) Hydrochloric acid
Answer:
D) Hydrochloric acid
32. Digestion of food completes in this part
A) Stomach
B) Duodenum
C) Small intestine
D) Large intestine
Answer:
C) Small intestine
33. Digested food absorbed in to blood through
A) Stomach
B) Duodenum
C) Villi
D) Large intestine
Answer:
C) Villi
34. Large intestine absorbs….
A) Water
B) Digested food
C) Minerals
D) A & C
Answer:
D) A & C
35. Reason for acidity…
A) Stress
B) Irregular meals
C) Drinking too much alcohol
D) All the above
Answer:
D) All the above
36. The only asana that can be done on full stomach.
A) Padmaasan
B) Vajrasana
C) Bhujangasana
D) shirshaasana
Answer:
B) Vajrasana
II. Fill in the blanks
1. Liver produces …………… juice.
2. Expand NDD ……………
3.
4. The process of intake and utilization of food by organisms is called …………… .
5. The mqde of nutrition in which organisms make food by themselves is called …………… .
6. The mode of nutrition in which organisms depend on other organisms, for food is called …………… .
7. Green plants are …………… .
8. Humans and animals are directly or indirectly dependent on …………… for food.
9. …………… are the special structures present only in plant cells and absent in animal cells.
10. Chlorophyll is present in the …………… of plant cell.
11. …………… is the pigment responsible for the greenery of the plants.
12. The process-by which green plants make their own food from carbon dioxide and water by using light energy in the presence of chlorophyll is called …………… .
13. Glucose formed in photosynthesis is converted and stored in the form of …………… .
14. The presence of starch in leaves indicates the occurrence of …………… .
15. Occurrence of photosynthesis can be confirmed by testing the leaf extract with …………… solution.
16. …………… work as “food factories of plants”.
17. …………… captures the energy of the sunlight.
18. …………… is the source of energy in the process of photosynthesis.
19. …………… is the ultimate source of energy for all living organisms.
20. Gaseous exchange occurs in the leaves through …………… .
21. …………… is the gas required for photosynthesis.
22. …………… is the gas produced in photosynthesis.
23. Nutrients needed ip minute quantities are called …………… .
24. Insectivorous plants meet their requirements from insects.
25. Saprophytes grow on …………… .
26. The mode of nutrition in which organisms take in nutrients in the form of solution from dead and decaying matter is called …………… nutrition.
27. …………… play key role in cleaning,up the earth surface.
28. Chlorophyll-containing partner in lichen is
29. An association between two organisms for food in which one organism get benefited and other is vitiated is called ……………
30. The organism that get benefited in parasitism is …………… .
31. Organism on which parasite is growing is called …………… .
32. …………… is the mode of heterotrophic nutrition in which the food is taken in solid or liquid form from the outside and is digested inside the body.
33. Pseudopodia are food collecting, organs in …………… .
34. Humans cannot digest …………… .
35. The digestive system consists Of the …………… and …………… .
36. The total length Of alimentary canal is about …………… meters.
37. Teeth in the human beings are of …………… types.
38. …………… is the hardest part of the human body.
39. …………… is the only asana that can be done on full stomach.
40. Damage of teeth due to acids is called …………… .
41. Carbohydrate digestion starts in …………… .
42. …………… is the common chamber for both digestive track and respiratory track.
43. Proteins digestions starts in the …………… .
44. …………… in the stomach kills Bacteria in the food.
45. Inner wall of the small intestine have thousands of finger-like outgrowths called …………… .
46. Villi absorb the …………… .
47 …………… absorbs water and minerals from the undigested food.
48. …………… is the storage;point for undigested food.
49. Fecal matter removed through …………… .
Answer:
- bile
- National Deworming Day
- carbondioxide, oxygen
- nutrition
- autotrophic nutrition
- heterotrophic nutrition
- autotrophs
- plants
- Chloroplasts
- chloroplast
- Chlorophyll
- Photosynthesis
- starch.
- photosynthesis
- Iodine
- Leaves
- Chlorophyll
- Sunlight
- Sun
- stomata.
- Carbon dioxide
- Oxygen
- micronutrients
- nitrogen
- dead and decaying matter
- saprophytic
- Saprophytes
- algae
- parasitism.
- parasite
- host
- Holozofc Nutrition
- amoeba
- cellulose
- Tooth
- Vajrasana
- tooth decay
- buccal cavity
- Pharynx
- stomach
- Hydrochloric acid
- villi.
- digested food
- Large Intestine
- Rectum
- anus.
III. Match the following
1.
Group – A | Group – B |
A) Ingestion | 1) Transfer of food to the blood. |
B) Digestion | 2) Absorbed food became the part of the body |
C) Absorption | 3) Preparing food inside the body |
D) Assimilation | 4) Removal of undigested food from the body. |
E) Egestion | 5) Conversion of food into simple soluble forms. |
6) Food is taken into the body. |
Answer:
Group – A | Group – B |
A) Ingestion | 6) Food is taken into the body. |
B) Digestion | 5) Conversion of food into simple soluble forms. |
C) Absorption | 3) Preparing food inside the body |
D) Assimilation | 2) Absorbed food became the part of the body |
E) Egestion | 4) Removal of undigested food from the body. |
2.
Group – A | Group – B |
A) Autotrophs | 1) Mouth |
B) Saprophytes | 2) Special roots |
C) Parasite | 3) Chlorophyll |
D) Holozoic | 4) Solution |
Answer:
Group – A | Group – B |
A) Autotrophs | 3) Chlorophyll |
B) Saprophytes | 4) Solution |
C) Parasite | 2) Special roots |
D) Holozoic | 1) Mouth |
3.
Group – A | Group – B |
A) Buccal cavity | 1) Removes fecal matter |
B) Stomach | 2) Absorbs water and minerals |
C) Small intestine | 3) Starts carbohydrate digestion |
D) Large intestine | 4) Preparing food inside the body. |
E) Anus | 5) Starts protein digestion |
6) Complete the digestion of food |
Answer:
Group – A | Group – B |
A) Buccal cavity | 3) Starts carbohydrate digestion |
B) Stomach | 5) Starts protein digestion |
C) Small intestine | 6) Complete the digestion of food |
D) Large intestine | 2) Absorbs water and minerals |
E) Anus | 1) Removes fecal matter |
4.
Group – A | Group – B |
A) Utricularia | 1) Ruminants |
B) Venus fly trap | 2) Others |
C) Cuscuta | 3) Bladderwort |
D) Cows | 4) Nourishment |
E) Trophos | 5) Dionaea |
6) Dodder plant |
Answer:
Group – A | Group – B |
A) Utricularia | 3) Bladderwort |
B) Venus fly trap | 5) Dionaea |
C) Cuscuta | 6) Dodder plant |
D) Cows | 1) Ruminants |
E) Trophos | 4) Nourishment |