X migrates from sea to freshwater to breed and Y migrates from freshwater to sea to breed. Select the option which correctly identifies X and Y.
| X | Y | |
| A | Whale | Shark |
| B | Eel | Salmon |
| C | Salmon | Eel |
| D | Locust | Arctic tern |
Read the given paragraph.
The cytoplasm of the cells of a tomato plant contains organelle X having different pigments. Pigment Y present in leaves of plant and impart green colour whereas pigment Z present in fruits of plant and impart red colour.
Select the option which correctly identifies X, Y and Z.
| X | Y | Z | |
| A | Plastid | Leucoplast | Chromoplast |
| B | Plastid | Chloroplast | Chromoplast |
| C | Plastid | Chloroplast | Leucoplast |
| D | Plastid | Chromoplast | Chloroplast |
Match column I (nutrient) with column II (function) and column III (deficiency symptom) and select the correct option from the given codes.
| Column I | Column II | Column III | |||
|---|---|---|---|---|---|
| P. | Vitamin C | (i) | For normal functioning of thyroid glands |
(a) | Anaemia |
| Q. | Iodine | (ii) | Maintains normal vision |
(b) | Scurvy |
| R. | Iron | (iii) | Helps in keeping gums and joints healthy |
(c) | Goitre |
| S. | Vitamin A | (iv) | Required for haemoglobin formation |
(d) | Night blindness |
