EASY
Earn 100

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

50% studentsanswered this correctly

Important Questions on Life Processes in Living Organisms

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

Write the names and functions of four plant hormones.

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.
MEDIUM
Science>Biology>Life Processes in Living Organisms>Co-ordination in Plants and Animals
Why is the use of iodised salt advisable?
MEDIUM
Science>Biology>Life Processes in Living Organisms>Co-ordination in Plants and Animals

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

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
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
Answer the following question:
Name four plant hormones.
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 _____.

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
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.
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
What are the functions of Abscisic acid?
EASY
Science>Biology>Life Processes in Living Organisms>Co-ordination in Plants and Animals
The tentacles on leaves of an insectivorous plant, called sundew bend will trap the insect as soon as they come in contact with the insect's body. This is
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?
MEDIUM
Science>Biology>Life Processes in Living Organisms>Co-ordination in Plants and Animals
With which of the following process Cholodny-Went theory is concerned
EASY
Science>Biology>Life Processes in Living Organisms>Co-ordination in Plants and Animals
Shock movement in 'touch me not' plant is
EASY
Science>Biology>Life Processes in Living Organisms>Co-ordination in Plants and Animals
Clinostat is employed in the study of