biology

1. Parents signature:
WORKSHEET 2020-21
SUBJECT:Biology(Nutrition)
CLASS: X SECTION :___________
NAME :____________________ DATE : _____________
Answer the following questions.
1. How does bile juice and bile pigments helps in the process ofdigestion?
2. How does biocatalysts present in the human bodyare helpful?
3. Where do these processesoccurin amoeba ?
i) Ingestion ii) Digestion iii) Egestion
4. What are the finger like projections present in the small intestine ? How are they
helpful?

2. Parents signature:
5. Animals store food in the form of which of the following? ( )
a) Carbohydrate b) Starch c) Glycogen d) Glucose
6. Mode of nutrition in lichens is: ( )
a) Saprophytic b) Parasitic c) Symbiotic d) Holozoic
7. Pepsin differs from trypsin, because it digests: ( )
a) Proteins in acidic medium in duodenum
b) Proteins in alkaline medium in duodenum
c) Proteins in acidic medium in stomach
d) Proteins in alkaline medium in stomach
8. Which of the following plants take up carbon dioxide at night, to make an
intermediate for photosynthesis? ( )
a) Cactus b) Mango c) Grass d) Croton
9. Identify the given diagram and label the parts.
10. Write the balanced equation of photosynthesis.