Green Plants worksheet with answers for Grade 6 Standard. This Worksheet includes MCQ, Fill in the blanks, True / False, Short Answer Questions, Long Answer Questions.
Multiple choice questions (15*1=15)
1.) What is the primary pigment responsible for photosynthesis in green plants?
a) Chlorophyll
b) Carotene
c) Xanthophylls
d) Anthocyanin
Answer: a. Chlorophyll
2.) Which gas is absorbed by plants during photosynthesis?
a) Oxygen
b) Carbon dioxide
c) Nitrogen
d) Hydrogen
Answer: b) Carbon dioxide
3.) Where does photosynthesis primarily take place in a plant cell?
a) Roots
b) Stem
c) Leaves
d) Flowers
Answer: c) Leaves
4.) The process by which plants take up water and nutrients from the soil is called:
a) Respiration
b) Transpiration
c) Photosynthesis
d) Absorption
Answer: d) Absorption
5.) Which part of a flower contains the pollen grains?
a) Stamen
b) Pistil
c) Petal
d) Sepal
Answer: a) Stamen
6.) Pollination by wind is common in plants that produce:
a) Nectar
b) Large, colorful flowers
c) Heavy seeds
d) Light, feathery pollen grains
Answer: d) Light, feathery pollen grains
7.) The female reproductive part of a flower is called the:
a) Anther
b) Ovule
c) Stigma
d) Style
Answer: c) Stigma
8.) Fertilization in plants involves the fusion of:
a) Pollen grains and ovules
b) Pollen grains and sepals
c) Petals and stamens
d) Roots and stems
Answer: a) Pollen grains and ovules
9.) In which part of a plant does the process of germination begin?
a) Roots
b) Leaves
c) Stem
d) Seed
Answer: d) Seed
10.) What is the first visible structure to emerge during seed germination?
a) Shoot
b) Root
c) Leaf
d) Flower
Answer: b) Root
11.) What is the main function of the stem in a plant?
a) To anchor the plant in the soil
b) To produce seeds
c) To transport water and nutrients
d) To capture sunlight
Answer: c) To transport water and nutrients
12.) Which part of a plant stores excess food produced during photosynthesis?
a) Roots
b) Stem
c) Leaves
d) Flowers
Answer: b) Stem
13.) What is the process by which pollen grains are transferred from the anther to the stigma?
a) Germination
b) Fertilization
c) Pollination
d) Absorption
Answer: c) Pollination
14.) Which of the following is a function of the seed coat?
a) Photosynthesis
b) Protection of the embryo
c) Absorption of water
d) Production of pollen
Answer: b) Protection of the embryo
15.) What is the primary source of energy for plants?
a) Soil minerals
b) Sunlight
c) Water
d) Air
Answer: b) Sunlight
True false questions (10*1=10)
1.) Nutrients for plants are absorbed through their roots.
Answer: True
2.) The transfer of pollen grain from one flower to another is called pollination.
Answer: True
3.) Seeds are formed when two female parts of a flower come into contact.
Answer: False
4.) The stem of a plant is responsible for anchoring it in the soil.
Answer: True
5.) The primary function of a flower is to produce oxygen.
Answer: False
6.) Seeds can only germinate in the presence of light.
Answer: False
7.) Pollen grains are produced in the anther of a flower.
Answer: True
8.) The main role of the root system is to capture sunlight for energy.
Answer: False
9.) Nutrients required for plant growth include nitrogen, phosphorus, and potassium.
Answer: True
10.) Leaves are green because of the presence of a pigment called chlorophyll.
Answer: True
Fill in the blanks with right answer (5*1=5)
1.) The male part of a flower that produces pollen is called the ____.
Answer: Stamen
2.) The protective coat around a seed is called the ____.
Answer: Seed coat
3.) The process of a seed sprouting and growing into a new plant is called ____.
Answer: Germination
4.) A tiny undeveloped plant inside a seed is called the ____.
Answer: Embryo
5.) Early falling of leaves is caused by the lack of_____.
Answer: Phosphphorus
Short answer question (10*1=10)
1.) What are the three important factors for growth of plants?
Answer: The three important factors for growth of plants are sunlight, water and air.
2.) How phosphorus helps in plants?
Answer: Phosphorus helps roots and green parts of plants to grow and protect them from diseases.
3.) What are the primary nutrients for plants?
Answer: The primary nutrients for plants are Nitrogen (N), Phosphorus (P), and Potassium (K).
4.) Why plants are called the producers?
Answer: Plants are called the producers because they produce energy and carbon for themselves from sunlight through photosynthesis.
5.) What is the role of chlorophyll in plants?
Answer: Chlorophyll converts the energy of the sun to chemical energy which helps in photosynthesis.
6.) What is pollination?
Answer: When insects move from flower to flower, they transfer pollen grains from anther to stigma. This process is called pollination.
7.) Explain fertilization in plants.
Answer: After pollination, pollen grains meet with the ovules and fuse together inside the ovary. This process is called fertilization.
8.) Which part of the flower develops into fruit?
Answer: The ovary inside the flower develops into fruit.
9.) What is germination of seed?
Answer: Germination of seed is the process of seed growing into a seedling in presence of favorable condition.
10.) What is the function of seed coat?
Answer: Seed coat helps to protect the seed from any external shock like temperature variation or water damage.