Getting To Know Plants Test - 1

Explanation:

Rice plant or Paddy is a monocotyledonous plant that has fibrous root.Fibrous root spread horizontally and does not grow very deep.The cluster of roots that arise from the base of the stem and which do not have any main root is fibrous root system.

Explanation:

Pea plant develops tendril by which it attach to the nearby objects to grow.Tendrils are thread like shape that is used by climbing plants to take support for growth.

Explanation:

Neem plant is a medicinal plant as leaves of neem repels the insect and used in a number of traditional medicine.Neem plant is used in various Ayurvedic medicines.Neem leaves have anti bacterial properties hence used to treat chickenpox.

Explanation:

Rose plant is grown by stem cutting, which is a vegetative mode of reproduction.Under suitable conditions these stem grows roots and develop into a new plant.

Explanation:

Leaf is known as food factory of plant because food is prepared in leaves during photosynthesis.Photosynthesis is a process where plants produce food with the help of sunlight,carbon dioxide, chlorophyll and water.

Explanation:

The spines of cactus are modified leaves to reduce rate of transpiration in plants.Cactus plants are usually found in dry or desert regions where there is scarcity of water.To avoid loss of water the leaves are modified into spines.

Explanation:

Primary function of leaf is to prepare food by the process of photosynthesis in presence of sunlight.It also helps interchange of gases between atmosphere and plant body.Leves alos helps in transpiration.

Explanation:

Pollen grains are produced inside anther of stamen that produce male gametes.Pollen from the anther is transferred to stigma of  another flower through wind or animal.It reaches the female part at stigma to produce new plant. 

Explanation:

The part of embryo that give rise to stem is called plumule.Plumule bears the first true leaves of any plant.Growth of plumule does not begin until the cotyledons have grown above ground.

Explanation:

The potato tuber used as vegetable is underground modified stem.Potato tuber consists of all parts which a stem consists such as nodes and internodes.The nodes are the eyes and each eye has a leaf scar and bud.Thus potato tuber is modified stem.