Biology

Behavioral Psychology and Physiology

1,185 Questions

Behavioral psychology and physiology explore cognitive processes, attention, memory, and learning mechanisms like conditioning. These concepts are frequently tested in general science and psychology sections of various competitive exams. Prepare thoroughly using these practice questions covering key behavioral theories and physiological functions.

Cognitive processesMemory and learningAttention and focusDevelopmental milestonesSensory perception

Behavioral Psychology and Physiology Questions

Multiple choice biology animal behaviour ethology coordination in human beings- chemical control endocrine system in humans

Which of the following behaviour is generated due to adrenaline rush?

  1. Instinct

  2. Imitation

  3. Conditioning

  4. Imprinting
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Instinct is a kind of behaviour which does not involve any prior learning and is inherent and automatic. When there is stimulus received, the release of adrenaline occurs which is known as the adrenaline rush. This results in the development of response which is automatic and instant. 

Thus, the correct answer is option A. 

Multiple choice biology animal behaviour ethology coordination in human beings- chemical control endocrine system in humans

Which behaviour completely relies on stimulus?

  1. Instinct

  2. Conditioning

  3. Imitation

  4. None of the above
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Conditioning is the type of behavioral change which is shown towards the discriminative stimulus. The stimulus is added with some kind of attraction or extra benefits. The stimulus is often associated with a consequence. The strength of the behavior depends on the stimulus and the consequence. The type of behavior will always rely on the stimulus and its strength. When there is the certain attractive image used to describe an advertisement, this is done to attract the people to buy the product. 

Thus, the correct answer is option B. 

Multiple choice biology animal behaviour ethology coordination in human beings- chemical control endocrine system in humans

Imitation is

  1. Involuntary response

  2. Voluntary response

  3. Stimulus

  4. None of the above
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

A) An involuntary response is not under conscious control. It generally constitutes the reflexes.

B) A voluntary response is controlled by our consciousness.
Imitation is controlled by our consciousness as when we imitate; we observe, learn and then reciprocate. 
C) Stimulus is the input to one's body, it can be either external or internal.
So, the correct option is 'Voluntary response'.

Multiple choice biology animal behaviour ethology coordination in human beings- chemical control endocrine system in humans

Conditioning behaviour that uses neutral stimulus is called as

  1. Classical conditioning

  2. Operant conditioning

  3. Neutral conditioning

  4. None of the above
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Classical conditioning refers to a learning procedure in which a biologically potent stimulus (e.g. food) is paired with a previously neutral stimulus (e.g. a bell).

  •  It's important to note that classical conditioning involves placing a neutral signal before a naturally occurring reflex. In Pavlov's classic experiment with dogs, the neutral signal was the sound of a tone and the naturally occurring reflex was salivating in response to food. By associating the neutral stimulus with the environmental stimulus (presenting of food), the sound of the tone alone could produce the salivation response. 
  • Hence, classical conditioning is the correct answer.

Multiple choice biology animal behaviour ethology coordination in human beings- chemical control endocrine system in humans

Instinct behaviour is 

  1. Autonomic response

  2. Conditioning response

  3. Voluntary response

  4. None of the above
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Instinct behaviour is the autonomic response to the stimuli (external) or environmental conditions. It develops when a human rationalises several voluntary and involuntary actions according to his/her will. It is the behaviour intrinsic to the person. So, the correct option is 'Autonomic response'. 

Multiple choice biology movement and locomotion in living organisms movements in plants coordination in plants tropic and nastic movements in plants

Movement of tendrils is

  1. Hydrotropism

  2. Chemotropism

  3. Thigmotropism

  4. Geotropism
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Most vines and other climbing plants have tendrils that coil rapidly around supports. These grasping organs usually grow straight until they touch something; the contact stimulates a coiling response caused by differential growth of cells on opposite sides of the tendrils, the directional growth in response to touch is called thigmotropism, and it allows the vine to take advantage of whatever mechanical supports it comes across as it climbs upward toward a forest canopy.

Multiple choice biology movement and locomotion in living organisms movements in plants coordination in plants tropic and nastic movements in plants

Cholodny-Went theory is related with 

  1. Turgor movement

  2. Chemotropism

  3. Phototropism

  4. Phototropism and geotropism
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The Cholodny-Went model, proposed in 1927, is an early model describing tropism in emerging shoots of monocotyledons, including the tendencies for the shoot to grow towards light (phototropism) and the roots to grow downward (gravitropism). In terms of phototropism, the Cholodny-Went theory proposes that:

(a) Auxin is synthesized in the coleoptile tip, 
(b) The coleoptile tip perceives the asymmetric illumination and this causes auxin to move into the un-irradiated side,
 (c) Auxin moves down the coleoptile so that lower regions develop an auxin asymmetry,
(d) The higher auxin concentration on the un-irradiated side causes the coleoptile to bend toward the light source.
Thus, the correct answer is option D.

Multiple choice biology movement and locomotion in living organisms movements in plants coordination in plants tropic and nastic movements in plants

The coiling of tendril around some support in response to touch is called as

  1. Hydrotaxis

  2. Chemotaxis

  3. Thigmotropism

  4. Thigmotaxis
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Thigmotropism- In this type of tropic movement stimulus is touch or contact. This type of movement helps weak stem of vines and climbers to coil around the support with the help of tendrils.

So, the correct answer is 'Thigmotropism'

Multiple choice biology movement and locomotion in living organisms movements in plants coordination in plants tropic and nastic movements in plants

Protoplasmic streaming movements are referred as 

  1. Autonomic movements of locomotion

  2. Thigmonasty

  3. Photonasty

  4. Movements of curvature
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Protoplasmic streaming: Rapid movement of cytoplasm inside the cell. It is an autonomic movement of locomotion. Autonomic movements are the movements which occur due to factors are inherent in plant body.

Multiple choice biology movement and locomotion in living organisms movements in plants coordination in plants tropic and nastic movements in plants

Curling of tendrils is due to 

  1. Thigmotropism

  2. Phototropism

  3. Chemotropism

  4. Nyctinasty
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Tendrils are the threadlike organs of plants which are actually specialized stem, leaf or petiole and used for climbing, support or attaching to another for parasitic growth. Most climbing plants such as vines develop tendrils that tend to coil around objects that support it. This feature of the tendrils is due to a phenomenon called thigmotropism - directional growth movement of curvature in response to stimulus or contact.

Multiple choice biology movement and locomotion in living organisms movements in plants coordination in plants tropic and nastic movements in plants

Tendrils and twiners come in contact with their support by means of

  1. Nutation

  2. Thigmonasty

  3. Thigmotropism

  4. Anemotropism
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Nutation is the bending movements shown by some plant parts due to the unequal rate of growth of different parts of plants. Thigmonasty is the nastic response of a plant to touch. The movements of tentacles of Drosera when comes in contact with insect is due to thigmonasty. The movement of plant part in response to contact with a solid touch is called as thigmotropism. The curvature movements due to support seen in tendrils and twiners is an example of thigmotropism. The movement of parts of a plant in response to air current is called as anemotropism. 

Thus, the correct answer is option C.

Multiple choice movement in plants living world of plants - plant physiology biology

Which movement occurs due to external stimulus?

  1. Tropic

  2. Nastic

  3. Tactic

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

External stimulus induces tropic, nastic and tactic movements.

  1. Tropic movement - biological phenomenon indicating growth or turning movement of a plant, in response to an external stimuli.
  2. Nastic movements - Non-directional responses in response to external stimulus
  3. Tactic movements - It includes phototactic, chemotactic and thermotactic movements.

Multiple choice movement in plants living world of plants - plant physiology biology

Nastic movements differ from tropic movements in being

  1. Movements of variation

  2. Nondirectional

  3. Directional

  4. Stimulated by chemicals
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Nastic movements are non-directional movements in which direction of response or movement is determined by the structure of responsive region. Nastic movement for instance, could be due to changes in the turgor pressure.

Multiple choice movement in plants living world of plants - plant physiology biology

Movement of plant part in response to touch is 

  1. Seismonasty

  2. Photonastic

  3. Nutation

  4. None of the above
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Seismonasty is defined as the nastic movement in response to shock, especially rapid folding of te leaflets of the sensitive plant due to changes in turgor pressure caused by vibration. It is also called as thigmonasty, because the external stimuli is touch.