EASY
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Movement of pollen tube towards ovule is an example of chemotropism.

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Important Questions on Life Processes in Living Organisms

EASY
Science>Biology>Life Processes in Living Organisms>Co-ordination in Plants and Animals

Which of the following is a plant hormone-

EASY
Science>Biology>Life Processes in Living Organisms>Co-ordination in Plants and Animals
Which of the following is a plant hormone?
MEDIUM
Science>Biology>Life Processes in Living Organisms>Co-ordination in Plants and Animals
What is a hormone? Give an example of a growth-promoting plant hormone. How does the movement of the leaves of a sensitive plant differ from a movement of a shoot towards light?
EASY
Science>Biology>Life Processes in Living Organisms>Co-ordination in Plants and Animals
Name the plant hormone responsible for promoting cell division in plants.
EASY
Science>Biology>Life Processes in Living Organisms>Co-ordination in Plants and Animals
Answer the following question:
Name four plant hormones.
MEDIUM
Science>Biology>Life Processes in Living Organisms>Co-ordination in Plants and Animals

Plant response in the direction of light. Explain with figure.

HARD
Science>Biology>Life Processes in Living Organisms>Co-ordination in Plants and Animals
What is hydrotropism? How would you demonstrate hydrotropism with the help of an experiment?
MEDIUM
Science>Biology>Life Processes in Living Organisms>Co-ordination in Plants and Animals
State any three differences between nastic and tropic movements.
EASY
Science>Biology>Life Processes in Living Organisms>Co-ordination in Plants and Animals

Select the most correct alternative from those given below each statement and write the completed statement:

The movement of the roots of a plant towards the water is termed _____.

EASY
Science>Biology>Life Processes in Living Organisms>Co-ordination in Plants and Animals
What are the functions of Abscisic acid?
EASY
Science>Biology>Life Processes in Living Organisms>Co-ordination in Plants and Animals
Name the plant hormone responsible for promoting growth in stem, leaves and flowering.
EASY
Science>Biology>Life Processes in Living Organisms>Co-ordination in Plants and Animals
The growth of pollen tube towards ovule is an example of:
EASY
Science>Biology>Life Processes in Living Organisms>Co-ordination in Plants and Animals
Name the plant hormone responsible for promoting growth and ripening of fruits.
MEDIUM
Science>Biology>Life Processes in Living Organisms>Co-ordination in Plants and Animals

Write the names and functions of four plant hormones.

MEDIUM
Science>Biology>Life Processes in Living Organisms>Co-ordination in Plants and Animals
Why is the use of iodised salt advisable?
EASY
Science>Biology>Life Processes in Living Organisms>Co-ordination in Plants and Animals
Which one of the following properties causes the plant tendrils to coil around a bamboo stick?
EASY
Science>Biology>Life Processes in Living Organisms>Co-ordination in Plants and Animals
The shoot system grows upward in response to _____.
EASY
Science>Biology>Life Processes in Living Organisms>Co-ordination in Plants and Animals
A plant’s response to gravity is called _____.
EASY
Science>Biology>Life Processes in Living Organisms>Co-ordination in Plants and Animals
The solar tracking of sunflower in accordance with the path of the sun is due to _____.
EASY
Science>Biology>Life Processes in Living Organisms>Co-ordination in Plants and Animals
The response of a plant part towards gravity is _____.