Response to Stimulus

Q.

All living organisms respond to stimuli.

1. False

2. True

Q.

The shoot of the plant grows towards _____ while the root of the plant responds to _____.

1. water, sunlight

2. gravity, sunlight

3. gravity, water

4. sunlight, gravity

Q.

Give two examples to show that living things respond to stimuli. One example should be from animals and the other from plants.

Q.

Shreya touched a hot kettle and quickly pulled her hand away. Which characteristic is proved by the given statement?

1. Reproduction

2. Growth

3. Respiration

4. Response to stimuli

Q.

Match the following characteristics of living organisms with the details.

$\begin{array}{cc}\text{Characteristic}& \text{Details}\\ 1.\text{Response to stimuli}& a)\text{Giving rise to another organism of the same kind}\\ 2.\text{Reproduction}& b)\text{Reaction to sensations like touch, light, heat, cold and sound}\\ 3.\text{Adaptation}& c)\text{The event at which an organism ceases to live}\\ 4.\text{Death}& d)\text{Ability of an organism to adjust to the current environment}\end{array}$

1. 1 - b, 2 - a, 3 - d, 4 - c

2. 1 - a, 2 - b, 3 - d, 4 - c

3. 1 - b, 2 - a, 3 - c, 4 - d

4. None of these

Q.

Which of the following is not a response to stimuli?

1. Feeling cold by touching ice
2. Feeling the weight of carrying a heavy bag
3. Scratching skin at place of ant bite
4. Closing eyes after seeing bright light

Q.

What is geotropism

Q.

If an insect goes and sits on the open mouth of the pitcher plant, the flap of the mouth closes shut. This response of pitcher plant is known as ________ .

1. acclimatisation

2. adaptation

3. heating

4. stimulus

Q. Match the following characteristics of living organisms with the description. Characteristic Description

A. Response to stimuli	i. Giving rise to another organism of the same kind
B. Reproduction	ii. Reaction to sensations like touch, light, heat, cold and sound
C. Adaptation	iii. Process of expelling waste
D. Excretion	iv. Ability of an organism to adjust to the current environment

1. A - ii; B - i; C - iii; D - iv
2. A - i; B - ii; C - iv; D - iii
3. A - ii; B - i; C - iv; D - iii
4. A - iii; B - i; C - iv; D - ii

Q.

Match the following characteristics of living organisms with the description. CHARACTERISTIC DESCRIPTION A. Response to stimuli i. Giving rise to another organism of the same kind B. Reproduction ii. Process of getting rid of waste C. Excretion iii. Reaction to sensations like touch, light, heat, cold and sound

1. A - ii; B - i; C - iii
2. A - i; B - ii; C - iii
3. A - iii; B - ii; C - i
4. A - iii; B - i; C - ii

Q. is any external condition that puts a stress on your body for adaptation.

1. Stimulus
2. Response
3. Sensation
4. Pressure

Q.

Match the following characteristics of living organisms with the details.

$\begin{array}{cc}\text{Characteristic}& \text{Details}\\ \text{1. Response to stimuli}& \text{a) Giving rise to another organism of the same kind}\\ \text{2. Reproduction}& \text{b) Reaction to sensations like touch, light, heat, cold and sound}\\ \text{3. Adaptation}& \text{c) Process of expelling waste}\\ \text{4. Excretion}& \text{d) Ability of an organism to adjust to the current environment}\end{array}$

1. 1 - b, 2 - a, 3 - d, 4 - c

2. 1 - a, 2 - b, 3 - d, 4 - c

3. 1 - b, 2 - a, 3 - c, 4 - d

4. None of these

Q. The shoot of the plant grows towards ______ while the root of the plant responds to _____.

1. water, sunlight
2. sunlight, gravity
3. gravity, sunlight
4. gravity, water

Q.

Phototropism is the response of parts of a plant towards a source of___ .

Q. Match the following characteristics of living organisms with the description. Characteristic Description

A. Response to stimuli	i. Giving rise to another organism of the same kind
B. Reproduction	ii. Reaction to sensations like touch, light, heat, cold and sound
C. Adaptation	iii. Process of expelling waste
D. Excretion	iv. Ability of an organism to adjust to the current environment

1. A - ii; B - i; C - iii; D - iv
2. A - i; B - ii; C - iv; D - iii
3. A - ii; B - i; C - iv; D - iii
4. A - iii; B - i; C - iv; D - ii

Q. Which of the following are characteristics of a dog but not of a car?
(i) Growth
(ii) Senstivity
(iii) Excretion

1. (i) and (ii) only
2. only (iii)
3. (i), (ii) and (iii)
4. (ii) and (iii) only

Q.

What trait of the pitcher plant causes the closure of its flap when an insect sits on it?

1. Response to stimulus

2. Random movement

3. Growth related response

4. Self defense mechanism

Q. What type of response is shown by the radicle of the seed?
options-
A. Positively geotrophic
B. Negatively geotrophic
C. Positively phototrophic
D. Negatively gravitrophic
please explain because this concept is new for me ..

Q. Match the following characteristics of living organisms with the details.

$\begin{array}{cc}Characteristic& Details\\ 1.\text{Response to stimuli}& \text{a) Giving rise to another organism of the same kind}\\ 2.\text{Reproduction}& \text{b) Reaction to sensations like touch, light, heat, cold and sound}\\ 3.\text{Adaptation}& \text{c) The event at which an organism ceases to live}\\ 4.\text{Death}& \text{d) Ability of an organism to adjust to the current environment}\end{array}$

1. 1 - b, 2 - a, 3 - c, 4 - d
2. 1 - b, 2 - a, 3 - d, 4 - c
3. 1 - a, 2 - b, 3 - d, 4 - c
4. None of these

Q.

Question 6

Which of the following is not an example of response to a stimulus?
(a) Watering in mouth when we see delicious food items.
(b) Closing of leaves of Mimosa plant when touched.
(c) Shutting our eyes when an object is suddenly thrown in our direction.
(d) A chick hatching out of an egg.

Q. is any external condition that puts a stress on your body for adaptation.

1. Stimulus
2. stomato
3. sensation
4. pressure

Q.

Which of the following is not a response to stimuli?

1. Feeling cold by touching ice
2. Feeling the weight of carrying a heavy bag
3. Scratching skin at place of ant bite
4. Closing eyes after seeing bright light

Q. Ram has a beautiful garden at his house. The garden has various plants out of which some of the plants show various movements like a creeper planted leans towards a support, a potted plant placed in a window grows towards sunlight. Which is the marked characteristic shown by such type of movements in plants?

1. Respiration
2. Reproduction
3. Responsiveness to stimuli and movement
4. Excretion

Q. Axillary buds are used to raise crop of

1. Wheat
2. Rice
3. Groundnut
4. Sugarcane

Q.

All living organisms respond to stimuli.

1. True

2. False

Q.

Shreya touched a hot kettle and quickly pulled her hand away. Which characteristic is proved by the given statement?

1. Response to stimuli

2. Growth

3. Reproduction

4. Respiration

Q.

All living organisms respond to stimuli.

1. False

2. True

Q.

If an insect goes and sits on the open mouth of the pitcher plant, the flap of the mouth closes shut. This response of pitcher plant is the result of a change which occurred in the surroundings of the pitcher plant which is also known as -

1. acclimatisation

2. heating

3. adaptation

4. stimulus

Q. All living organisms

1. Respond to stimuli
2. Reproduce
3. Die
4. All of these

Q.

Why does a plant bend towards sunlight ?

1. To prepare food

2. To respire

3. To absorb food

4. To absorb water