Green plants are known as producers. They prepare more food than they need. The extra food is stored in different parts of the plant. Identify the parts of the plant from which the following food items (P, Q, R and S) are obtained and select the correct option.
| P | Q | R | S | |
| A | Stem | Leaf | Flower | Seed |
| B | Root | Flower | Leaf | Fruit |
| C | Fruit | Leaf | Seed | Flower |
| D | Leaf | Fruit | Stem | Root |
Select the option with the correct sequence of words to fill the blanks in the given sentences.
(A) Cod liver oil is a rich source of (i).
(B) Deficiency of vitamin C in body causes a disease known as (ii).
(C) Goitre is caused by the lack of (iii) in the diet.
(D) Deficiency of (iv) can leads to rickets in children and osteoporosis in adults.
| (i) | (ii) | (iii) | (iv) | |
| A | Vitamin D | Rickets | Potassium | Magnesium |
| B | Vitamin A | Scurvy | Iodine | Calcium |
| C | Vitamin C | Rickets | Iodine | Calcium |
| D | Vitamin B | Scurvy | Potassium | Protein |
Which one of the following pairs is wrongly classified?
| Positive effect on the environment | Negative effect on the environment | |
| A | Incinerating rubbish in residential areas | Covering opened dust bins left out in the open |
| B | Breeding animals like chicken and sheep for food | Cutting down trees |
| C | Collecting rainwater for watering garden plants | Feeding animals in the wild |
| D | Using recycled material | Leaving unfinished food at the canteen table |
