After fruits are formed, I observe changes like color development, size increase, and texture alterations. Fruits often become softer and juicier, indicating ripening, which attracts animals for seed dispersal and ensures reproduction.
Category: Class 6 Science
NCERT Solutions and Important Questions for class 6 Science for CBSE exams 2020-2021.
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A crescograph is an instrument used to measure the growth of plants over time. It records growth rates by using a lever system that translates plant movement into measurable data, helping scientists study plant development.
If a plant is placed inverted, the root will still grow downward due to gravitropism, while the shoot will grow upward. This response demonstrates the plant’s ability to adapt to its environment regardless of orientation.
The conditions required for seed germination include moisture, warmth, and oxygen. Moisture activates enzymes, warmth provides the ideal temperature for growth, and oxygen is essential for respiration, allowing the seed to convert stored nutrients into energy.
Yes, a pot with tightly packed soil or a sealed container can limit air availability for seeds. Poor soil aeration prevents oxygen from reaching the seeds, hindering their respiration and overall germination process.
No, seeds in all pots may not receive equal amounts of air, water, and sunlight. Factors like pot placement, soil drainage, and pot material can affect the availability of these essential resources for germination.
Sunlight is not strictly necessary for seed germination, as seeds primarily require moisture, warmth, and oxygen. However, once germination occurs, sunlight becomes essential for the growing plant’s photosynthesis and overall development.
To investigate the effects on seed germination, I would conduct experiments by varying moisture, temperature, and light for different groups of seeds, observing and recording the germination rates and growth of each group over time.
For seed germination, essential conditions include moisture, warmth, and oxygen. Moisture activates enzymes, warmth promotes growth, and oxygen is necessary for respiration. These factors create an ideal environment for the seed to sprout and develop.
Reproduction is necessary for the survival of a species. It ensures the continuation of genetic material, allows for population growth, and contributes to genetic diversity, which enhances adaptability to changing environments and conditions.