Coordination And Control MCQs Unit 17 With Answer 2nd Year Biology

coordination and control

Coordination and Control MCQs with answer keys. All MCQs are collected from past papers of Biology 2nd year. 12th class Biology chapter-wise MCQs.

Coordination And Control MCQs Unit 17

Coordination And Control MCQs Unit 18 fully solved. From Previous Board Papers 2014-2015-2016-2017-2018. Read online coordination and control MCQs.

In living things, the behavior activities occur at regular intervals which are called: (BWP. GI, 2016)
(A) Diurnal rhythms
(B) Circannual
(C) Biorhythms
(D) Orcadian

Galls are growth on a plant that is induced by: (DGK. GI, 2014)
(A) Ticks
(B) Protozoans
(C) Parasites
(D) Fungi

The plant hormone that inhibits the growth of lateral shoots is: (LHR. GII, 2016)
(A) Cytokine
(B) Gibberellin
(C) Auxin
(D) Ethene

Promotes closing of Stomata under conditions of water stress: (BWP. GI, 2015)
(A) Ethene
(B) Abscisic Acid
(C) Gibberellins
(D) Cytokinins

The plant hormone which inhibits growth and promotes bud dormancy is: (BWP. GI, 2014)
(A) Auxin
(B) Gibberellins
(C) Cytokinins
(D) Abscisic Acid

Ethene induce flowering in: (LHR. GII, 2014) (AJK. GI, 2015)
(A) Banana
(B) Rose
(C) Pine-apple
(D) Orange

Selective weed killer is: (BWP. GI, 2017)
(A) 2 – 4D

The hormone which inhibits root growth is: (DGK. GI, 2017)
(A) Auxins
(B) Gibberellins
(C) Cytokinins
(D) Abscisic acid

Nissl’s granules are a group of: (LHR. GII, 2016)
(A) Mesosomes
(B) Lysosomes
(C) Ribosomes
(D) Chromosomes

The structures which respond are called: (FBD. GI, 2016)
(A) Effectors
(B) Nerves
(C) Receptors
(D) Sense organs

The sensation of pain is produced by: (LHR. GII, 2015)
(A) Chemoreceptors
(B) Mechanoreceptors
(C) Photoreceptors
(D) Nociceptors

Nociceptors produce the sensation of: (RWP. GI, 2014)(MLN. GI, 2014)(GRW. GI, MLN. GII, 2017)
(A) Touch
(B) Warmth and Cold
(C) Smell
(D) Pain

How many types of receptors are present in the skin? (SGD. GI, 2017)
(A) Three
(B) Six
(C) Five
(D) Two

Which neurons have a long axon? (BWP. GI, 2017)
(A) Sensory
(B) Motor
(C) Associative
(D) Cell Body

The microscopic gap between the two neurons is called as: (LHR. GI, 2016)
(A) Synapsis
(B) Synapse
(C) Collapse
(D) Preapse

Resting membrane potential of a neuron is: (SGD. GI, 2016)
(A) 50 mv
(B) -60 mv
(C) -70 mv
(D) -80 mv

During a non-conducting state, the neuron membrane is permeable to efflux of: (FBD. GI, 2015)
(A) K+
(B) Na
(C) Cat
(D) CI-

The number of a spinal nerve in man is: (DGK. GII, 2015)
(A) 24
(B) 62
(C) 12
(D) 31

Maximum speed of nerve impulse transmission is: (LHR. GI, 2014) (SWL. GI, 2014)
(A) 100 m/s
(B) 110 m/s
C) 120 m/s
(D) 130 m/s

In myelinated neurons, the impulse jumps from node to node and is called: (MLN. GI, 2015)
(A) Saltatory impulse
(B) Nerve impulse
(C) Synapse
(D) Synapsis

The diffused nervous system is found in:
(A) Poriferans
(B) Platyhelminthes
(C) Cnidarians
(D) Annelids

Hindbrain includes the medulla, pons and: (AJK. GI, 2016)
(A) Cerebrum
(B) Cerebellum
(C) Thalamus
(D) Amygdala

The largest part of the brain is: (DGK. GI, 2016) (SWL 2018)
(A) Cerebellum
(B) Medulla
(C) Cerebrum
(D) Thalamus

The human midbrain is: (LHR. GI, 2015)
(A) Reduced
(B) Enlarged
(C) Swollen
(D) Broken

The cerebrospinal fluid (CSF) is similar in composition to: (GRW.GII, 2015)
(A) Blood
(B) Blood Plasma
(C) Blood Serum
(D) Blood Proteins

The Limbic System is located between the thalamus and: (SGD. GI, 2015)
(A) Hypothalamus
(B) Cerebellum
(C) Cerebrum
(D) Pons

All are related to the medulla oblongata, except: (FBD. GI, 2014)
(A) Long term memory
(B)Breathing Rate
(C) Heart Beat Rate
(D) Blood Pressure

A nerve is: (DGK. GII, 2014)
(A) Collection of neurons
(B) Bundle of axons or dendrites
(C) Connection of dendrites
(D) Bundle of axon or Dendrites bounded by connection

In human, relay center is located in: (BWP. GI, 2017)
(A) Forebrain
(B) Midbrain
(C) Hindbrain
(D) Spinal cord

The structure in the human brain which controls hunger is: (MLN. GI, SWL. GI, 2017)
(A) Amygdala
(B) Hippocampus
(C) Thalamus
(D) Hypothalamus

In human pair of cranial nerves are: (FBD. GI, 2017)
(A) 12
(B) 14
(C) 16
(D) 18

Alzheimer’s disease is: (LHR. GI, 2016)
(A) Physical illness
(B) Mental illness
(C) Renal illness
(D) Pulmonary illness

Alzheimer’s disease is characterized by the decline in the function of: (DGK. GII, 2016)
(A) Brain
(B) Liver
(C) Kidney
(D) Stomach

Effective drug available for Parkinson’s disease is: (SGD. GI, 2015)
(A) Nicotine
(D) L-dopa

Mental illness causes: (LHR. GII, 2014)
(B) Anemia
(C) Alzheimer
(D) Scurvy

Endocrine glands secrete: (GRW. GII, 2014)
(A) Hormones
(B) Enzymes
(D) Mucous

Which hormone is chemically steroid? (LHR. GI, 2017)
(B) Corticosterone
(C) Thyroxine
(D) Insulin

Ovulation is induced by: (MLN. GI, 2016)
(B). LH
(C) Estrogen
(D) Progesterone

Median lobe of pituitary gland secretes hormone: (GRW. GI, 2016)
(A) Gonadotrophic hormone
(B) Melanophore stimulating hormone
(C) Antidiuretic hormone
(D) Somatotrophin

Insulin and glucagon hormones are in nature: (GRW. GI, 2015)
(A) Carbohydrates
(B) Proteins
(C) Steroids
(D) Polypeptides

Secretin is a hormone produced by: (RWP. GI, 2017)
(A) Liver
(B) Gut
(C) Pancreas
(D) Adrenals

The form of learning involves a diminished of response to repeated stimuli. (GRW.GI, 2017)
(A) Imprinting
(B) Habituation
(C) Latent learning
(D) Insight Learning

Rodents respond to alarm call by other in their group is an example of behavior termed
as: (LHR. GI, 2017)
(A) Imprinting
(B) Habituation
(C) Conditioning
(D) Latent learning

Neuroglial cells provide the neuron with: (RWP. GI, 2017)
(A) Protection
(B) Support
(C) Locomotion
(D) Nutrition

Apical dominance in plants occur due to higher concentration of: (RWP. GII, 2017)
(A) Cytokinin
(B) Gibberellin
(C) Ethane
(D) Auxin

Alpha cells of the pancreas secrete: (FBD. 2017)
(A) Glucagon
(B) Insulin
(C) Pancreatic juice
(D) Secretin

The structure of the human brain that controls the sleep-wake cycle is: (GRW. 2017)
(A) Amygdala
(B) hippocampus
(C) thalamus
(D) hypothalamus

Excess thyroxin produces a disease called: (MLN. GI, 2017)
(A) Addison’s
(B) Cretinism
(C) Graves
(D) Epilepsy

The simplest form of learning behavior is: (MLN. GII, 2017)
(A) Imprinting
(B) Habituation
(C) Insight learning
(D) Latent learning

To cure Parkinson’s disease Dopamine producing cells could be grafted directly into the: (BWP. 2017)
(A) Brain
(B) Liver
(C) Bone Marrow
(D) Blood

A pair of adrenal glands are present on top of each: (DGK. GII, 2017)
(A) Ear
(B) Kidney
(C) Eye
(D) Testis

The part of the human limbic system: (LHR. GII, 2018)
(A) Amygdala
(B) Thalamus
(C) Cerebrum
(D) Pons

The corpus luteum secretes a hormone: (LHR. GII, 2018)
(A) Oxytocin
(B) Progesterone
(C) Oestrogen
(D) Testosterone

Which animal has diffused nervous system? (GRW.2018)
(A) octopus
(B) Earthworm
(C) planaria
(D) Jellyfish

The cytoplasmic process/fibers which carry impulse towards cell body is called: (MLN. 2018)
(A) Dendron
(B) Axons
(C) Nissl’s granules
(D) Neurofibrils

Which hormone in males stimulates the production of testosterone? (SWL 2018)

Resting membrane potential of a neuron is: (RWP. 2018)
(A) -50m V
(B) -60m V
(C) -70m V
(D) -80m V

The higher form of learning is the: (DGK. 2018)
(A) Conditioned reflex type-1
(B) Imprinting
C) Insight learning
(D) Latent learning

Etiolated plants grow without: (BWP. 2018)
(A) Water
(B) Light
(C) 02
(D) CO2

The hormone which suppresses ovulation is; (AJK. 2018)
(A) Testosterone
(B) Oestrogen
(C) Progesterone
(D) Gastrin

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