Olympiad Test Level 2: Plants and Animals - 2 - Class 3 MCQ

Tea is grown in the form of step farming because tea plantation needs heavy rainfall and no stagnant water.

The bird is Toucan.

The leaves of papaya and coconut trees have different shapes. Also, the stems of the coconut tree are weak and the coconut tree only is a coastal plant.

The roots absorb water from the soil. The water then reaches different parts of the plant through the stem of the plant.

The only herbivore in the given options is goat which can complete this food chain. 

For a seed to grow into a healthy plant, it needs three essential factors:

1. Water: Seeds need water to activate enzymes that start the process of germination. Water softens the seed coat, allowing the embryo to expand and grow.

2. Warmth: Appropriate temperature is crucial for enzyme activity, cell division, and growth. Most seeds require a warm environment to begin the germination process.

3. Good Soil: Soil provides the necessary nutrients and a stable environment for the seedling to anchor its roots and access minerals essential for growth. Soil also helps retain moisture and provides the right conditions for continued development.

Without these three elements, the seed will not be able to germinate and grow into a plant.

Correct option is B. Leaves

A. Lion-2. Carnivore (meat-eater)
B. Human being-3. Omnivore( eat both plants and animals)
C. Hyena-4. Scavenger (eat dead organisms)
D. Buffalo-1. Herbivore (eat plants).

Water lilies have evolved adaptations and they float on water.

Vulture and wolf are grouped together as scavengers.