Question 1
Given below from (i) to (iv) are some food items.

(i) Boiled and mashed potato
(ii) Glucose solution
(iii) A slice of bread
(iv) Mustard oil

Which of the above will give blue-black colour when tested with iodine?

(a) (i) and (ii)
(b) (i) and (iii)
(c) (ii) and (iii)
(d) (iii) and (iv)

Q.

Question 4

Read the food items given below.

(i) Wheat

(ii) Ghee

(iii) Iodised salt

(iv) Spinach

Which of the above food items are "energy giving foods"?

(a) (i) and (iv)

(b) (ii) and (iv)

(c) (i) and (ii)

(d) (iii) and (iv)

Q. The following foods were tested for starch using iodine. The results are shown below:

Food stuff	Colour
rice	blue-black
cucumber	no colour change
onion	no colour change
dal	blue-black

Which of the following foods contains starch?
(i) rice + dal
(ii) rice + cucumber
(iii) only rice
(iv) dal + onion

(a) only i
(b) i, ii, iii, and iv
(c) i, ii, and iii
(d) i, iii and iv

Q.

Question 1

Given below are the names of some animals.

(i) Goat

(ii) Human beings

(iii) Cockroach

(iv) Eagle

Which of the above animals form a pair of omnivores?

(a) (i) and (ii)

(b) (ii) and (iii)

(c) (iii) and (iv)

(d) (ii) and (iv)

Q.

Given below are the steps to test the presence of proteins in a food item.

(i) Take a small quantity of the food item in a test tube, add 10 drops of water to it and shake it.

(ii) Make a paste or powder of food to be tested.

(iii) Add 10 drops of caustic soda solution to the test tube and shake well.

(iv) Add 2 drops of copper sulphate solution to it.

Which of the following is the correct sequence of steps?

(a) i, ii, iv, iii

(b) ii, i, iv, iii

(c) ii, i, iii, iv

(d) iv, ii, i, iii

Q.

Question 3

Below are the names of some animals.

(i) Cow

(ii) Sheep

(iii) Horse

(iv) Ox

Which of the above are the sources of milk for human beings?

(a) (i) and (iii)

(b) (i) and (ii)

(c) (ii) and (iii)

(d) (iii) and (iv)