Question

WORKSHEET 1-A
DATE :
Food
A. Tick () the correct answer.
1. Green plants are
(b) omnivores
(a) herbivores
(d) autotrophs
(c) carnivores
2. The most effective light for photosynthesis is
(b) blue + green
(a) blue + red
(d) orange + red
(c) green + yellow
3. Which of the following will give blue colour with iodine solution ?
(b) fats
(a) proteins
(c) starch
(d) roughage​

Answer 1

Answer:

Q1 a) herbivores

Q2 c) green + yellow

Q3 c) starch

Answer 2

Answer:

1st Ans - Autotrophs

2nd Ans - Blue+red

3rd Ans - Starch

Explanation:

Autotrophs:

Autotrophs are green plants which make their food it self.

Blue+red:

Blue and red light of sunlight is observed by scientists that they are the most effective light of photosynthesis it means the answer is Blue+red light.

Starch:

Do an experiment at home on an potato take a potato and make it into slices take one slice take few drop of iodine solution and put on it now, you observe after few minutes potato slice colour change into Blue colour. So, it means that answer is Starch and Starch give Blue colour in this experiment.

HOPE IT HELPS YOU DEAR.