Question

(1)

SECTION – A

 Answer the following as directed [16]

 M C Q :

1) Complete digestion of carbohydrates , protein and fats takes place in

a) Stomach b) Large Intestine c) Small intestine d) Villi

2) The autotrophic mode of nutrition requires.

a) Sunlight b) Chlorophyll c) Carbon Dioxide & Water d) All

3) Which of the following is not a biodegradable pollutant ?

a) Paper b) Cotton cloth c) Cotton d) DDT

4) For which following activity did Amrila Devi Bishnoi sacrificed her life with 363 people in 1731?

a) To protect river b) to save crops c) to save trees d) to save wildlife

5) The transport of soluble products of photosynthesis is known as

a) Evaporation b) Transpiration c) Conduction d) Translocation

 Fill in the blanks :

1) _____ enzyme present in saliva breaks down starch

2) ________ are formed during respiration in our muscle when there is less supply of oxygen

3) ________ is a synthetic material responsible for depletion of Ozone

4) _______ is a fluid medium of blood.

 Answer in Short :

1) Define Biological magnification

2) Which are the main constituents of coal and petroleum

3) Name the respiratory pigment in higher animals

4) What is the role of acid in our stomach?

5) What are life processes ?Give two examples.

6) What ka 5 R's used to save environment?

7) What are the main components of our environment? Give example

STD : 10th NEW ERA ENGLISH SCHOOL Science

Unit Test – 2020

DATE : 11 . 09 . 2020 Friday Total : 30 Marks​

Answer 1

Answer:

first answer is small intestine i think and second D