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प्रश्न
Complete the following food chain by writing the names of appropriate organisms in the blanks:
Grass → __________ → Snake → __________
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उत्तर
Grass → Grasshopper → Snake → Hawk
संबंधित प्रश्न
Given below is an experimental setup to demonstrate a particular tropic movement in germinating seeds. Study the diagram and answer the questions that follow:
- Label the parts 1 and 2.
- Name the tropic movement shown by part 1.
- Part 1 is affected by two stimuli. Name them. Which one of the two is stronger?
- What is thigmotropism? Give one example.
- What is meant by 'Positive' and 'Negative' tropic movements in plants?
The diagram given below represents an experiment to prove the importance of a factor in photosynthesis. Answer the questions that follow : 
Draw a neat, labelled diagram of an experimental steup to show that oxygen is released during photosynthesis
Fill in the blanks:
The end products of photosynthesis are ______ and ______.
The rate of photosynthesis is not affected by
Mention one difference between the following on the basis of what is given in bracket.
Respiration and photosynthesis (gas released)
A candidate studied the importance of certain factors in photosynthesis. He took a potted plant and kept in the dark for over 24 hours. In the early hours of the next morning, he covered one of the leaves with black paper in the centre only. Then he placed the plant in sunlight for a few hours and tested the leaf which was covered with black paper for starch.
What aspect of photosynthesis was being investigated?
Explain the term Phosphorylation.
Name the plant part
- Which bends in the direction of gravity but away from the light.
- Which bends towards light but away from the force of gravity.
Higher Order Thinking Skill.
Imagine that student A studied the importance of certain factors in photosynthesis. He took a potted plant and kept it in dark for 24 hours. In the early hours of the next morning, he covered one of the leaves with dark paper in the centre only. Then he placed the plant in sunlight for a few hours and tested the leaf which was covered with black paper for starch.
- What aspect of photosynthesis was being investigated?
- Why was the plant kept in the dark before the experiment?
- How will you prove that starch is present in the leaves?
- Name the raw materials needed for photosynthesis.
1. What happens to the dandelion flower
- During the daytime?
- At night?
2. What is the phenomenon known as?
